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/*
 * jQuery validation plug-in 1.7
 *
 * http://bassistance.de/jquery-plugins/jquery-plugin-validation/
 * http://docs.jquery.com/Plugins/Validation
 *
 * Copyright (c) 2006 - 2008 Jörn Zaefferer
 *
 * $Id: jquery.validate.js 6403 2009-06-17 14:27:16Z joern.zaefferer $
 *
 * Dual licensed under the MIT and GPL licenses:
 *   http://www.opensource.org/licenses/mit-license.php
 *   http://www.gnu.org/licenses/gpl.html
 */

(function($) {

$.extend($.fn, {
        // http://docs.jquery.com/Plugins/Validation/validate
        validate: function( options ) {

                // if nothing is selected, return nothing; can't chain anyway
                if (!this.length) {
                        options && options.debug && window.console && console.warn( "nothing selected, can't validate, returning nothing" );
                        return;
                }

                // check if a validator for this form was already created
                var validator = $.data(this[0], 'validator');
                if ( validator ) {
                        return validator;
                }
                
                validator = new $.validator( options, this[0] );
                $.data(this[0], 'validator', validator); 
                
                if ( validator.settings.onsubmit ) {
                
                        // allow suppresing validation by adding a cancel class to the submit button
                        this.find("input, button").filter(".cancel").click(function() {
                                validator.cancelSubmit = true;
                        });
                        
                        // when a submitHandler is used, capture the submitting button
                        if (validator.settings.submitHandler) {
                                this.find("input, button").filter(":submit").click(function() {
                                        validator.submitButton = this;
                                });
                        }
                
                        // validate the form on submit
                        this.submit( function( event ) {
                                if ( validator.settings.debug )
                                        // prevent form submit to be able to see console output
                                        event.preventDefault();
                                        
                                function handle() {
                                        if ( validator.settings.submitHandler ) {
                                                if (validator.submitButton) {
                                                        // insert a hidden input as a replacement for the missing submit button
                                                        var hidden = $("<input type='hidden'/>").attr("name", validator.submitButton.name).val(validator.submitButton.value).appendTo(validator.currentForm);
                                                }
                                                validator.settings.submitHandler.call( validator, validator.currentForm );
                                                if (validator.submitButton) {
                                                        // and clean up afterwards; thanks to no-block-scope, hidden can be referenced
                                                        hidden.remove();
                                                }
                                                return false;
                                        }
                                        return true;
                                }
                                        
                                // prevent submit for invalid forms or custom submit handlers
                                if ( validator.cancelSubmit ) {
                                        validator.cancelSubmit = false;
                                        return handle();
                                }
                                if ( validator.form() ) {
                                        if ( validator.pendingRequest ) {
                                                validator.formSubmitted = true;
                                                return false;
                                        }
                                        return handle();
                                } else {
                                        validator.focusInvalid();
                                        return false;
                                }
                        });
                }
                
                return validator;
        },
        // http://docs.jquery.com/Plugins/Validation/valid
        valid: function() {
        if ( $(this[0]).is('form')) {
            return this.validate().form();
        } else {
            var valid = true;
            var validator = $(this[0].form).validate();
            this.each(function() {
                                valid &= validator.element(this);
            });
            return valid;
        }
    },
        // attributes: space seperated list of attributes to retrieve and remove
        removeAttrs: function(attributes) {
                var result = {},
                        $element = this;
                $.each(attributes.split(/\s/), function(index, value) {
                        result[value] = $element.attr(value);
                        $element.removeAttr(value);
                });
                return result;
        },
        // http://docs.jquery.com/Plugins/Validation/rules
        rules: function(command, argument) {
                var element = this[0];
                
                if (command) {
                        var settings = $.data(element.form, 'validator').settings;
                        var staticRules = settings.rules;
                        var existingRules = $.validator.staticRules(element);
                        switch(command) {
                        case "add":
                                $.extend(existingRules, $.validator.normalizeRule(argument));
                                staticRules[element.name] = existingRules;
                                if (argument.messages)
                                        settings.messages[element.name] = $.extend( settings.messages[element.name], argument.messages );
                                break;
                        case "remove":
                                if (!argument) {
                                        delete staticRules[element.name];
                                        return existingRules;
                                }
                                var filtered = {};
                                $.each(argument.split(/\s/), function(index, method) {
                                        filtered[method] = existingRules[method];
                                        delete existingRules[method];
                                });
                                return filtered;
                        }
                }
                
                var data = $.validator.normalizeRules(
                $.extend(
                        {},
                        $.validator.metadataRules(element),
                        $.validator.classRules(element),
                        $.validator.attributeRules(element),
                        $.validator.staticRules(element)
                ), element);
                
                // make sure required is at front
                if (data.required) {
                        var param = data.required;
                        delete data.required;
                        data = $.extend({required: param}, data);
                }
                
                return data;
        }
});

// Custom selectors
$.extend($.expr[":"], {
        // http://docs.jquery.com/Plugins/Validation/blank
        blank: function(a) {return !$.trim("" + a.value);},
        // http://docs.jquery.com/Plugins/Validation/filled
        filled: function(a) {return !!$.trim("" + a.value);},
        // http://docs.jquery.com/Plugins/Validation/unchecked
        unchecked: function(a) {return !a.checked;}
});

// constructor for validator
$.validator = function( options, form ) {
        this.settings = $.extend( true, {}, $.validator.defaults, options );
        this.currentForm = form;
        this.init();
};

$.validator.format = function(source, params) {
        if ( arguments.length == 1 ) 
                return function() {
                        var args = $.makeArray(arguments);
                        args.unshift(source);
                        return $.validator.format.apply( this, args );
                };
        if ( arguments.length > 2 && params.constructor != Array  ) {
                params = $.makeArray(arguments).slice(1);
        }
        if ( params.constructor != Array ) {
                params = [ params ];
        }
        $.each(params, function(i, n) {
                source = source.replace(new RegExp("\\{" + i + "\\}", "g"), n);
        });
        return source;
};

$.extend($.validator, {
        
        defaults: {
                messages: {},
                groups: {},
                rules: {},
                errorClass: "error",
                validClass: "valid",
                errorElement: "label",
                focusInvalid: true,
                errorContainer: $( [] ),
                errorLabelContainer: $( [] ),
                onsubmit: true,
                ignore: [],
                ignoreTitle: false,
                onfocusin: function(element) {
                        this.lastActive = element;
                                
                        // hide error label and remove error class on focus if enabled
                        if ( this.settings.focusCleanup && !this.blockFocusCleanup ) {
                                this.settings.unhighlight && this.settings.unhighlight.call( this, element, this.settings.errorClass, this.settings.validClass );
                                this.errorsFor(element).hide();
                        }
                },
                onfocusout: function(element) {
                        if ( !this.checkable(element) && (element.name in this.submitted || !this.optional(element)) ) {
                                this.element(element);
                        }
                },
                onkeyup: function(element) {
                        if ( element.name in this.submitted || element == this.lastElement ) {
                                this.element(element);
                        }
                },
                onclick: function(element) {
                        // click on selects, radiobuttons and checkboxes
                        if ( element.name in this.submitted )
                                this.element(element);
                        // or option elements, check parent select in that case
                        else if (element.parentNode.name in this.submitted)
                                this.element(element.parentNode);
                },
                highlight: function( element, errorClass, validClass ) {
                        $(element).addClass(errorClass).removeClass(validClass);
                },
                unhighlight: function( element, errorClass, validClass ) {
                        $(element).removeClass(errorClass).addClass(validClass);
                }
        },

        // http://docs.jquery.com/Plugins/Validation/Validator/setDefaults
        setDefaults: function(settings) {
                $.extend( $.validator.defaults, settings );
        },

        messages: {
                required: "This field is required.",
                remote: "Please fix this field.",
                email: "Please enter a valid email address.",
                url: "Please enter a valid URL.",
                date: "Please enter a valid date.",
                dateISO: "Please enter a valid date (ISO).",
                number: "Please enter a valid number.",
                digits: "Please enter only digits.",
                creditcard: "Please enter a valid credit card number.",
                equalTo: "Please enter the same value again.",
                accept: "Please enter a value with a valid extension.",
                maxlength: $.validator.format("Please enter no more than {0} characters."),
                minlength: $.validator.format("Please enter at least {0} characters."),
                rangelength: $.validator.format("Please enter a value between {0} and {1} characters long."),
                range: $.validator.format("Please enter a value between {0} and {1}."),
                max: $.validator.format("Please enter a value less than or equal to {0}."),
                min: $.validator.format("Please enter a value greater than or equal to {0}.")
        },
        
        autoCreateRanges: false,
        
        prototype: {
                
                init: function() {
                        this.labelContainer = $(this.settings.errorLabelContainer);
                        this.errorContext = this.labelContainer.length && this.labelContainer || $(this.currentForm);
                        this.containers = $(this.settings.errorContainer).add( this.settings.errorLabelContainer );
                        this.submitted = {};
                        this.valueCache = {};
                        this.pendingRequest = 0;
                        this.pending = {};
                        this.invalid = {};
                        this.reset();
                        
                        var groups = (this.groups = {});
                        $.each(this.settings.groups, function(key, value) {
                                $.each(value.split(/\s/), function(index, name) {
                                        groups[name] = key;
                                });
                        });
                        var rules = this.settings.rules;
                        $.each(rules, function(key, value) {
                                rules[key] = $.validator.normalizeRule(value);
                        });
                        
                        function delegate(event) {
                                var validator = $.data(this[0].form, "validator"),
                                        eventType = "on" + event.type.replace(/^validate/, "");
                                validator.settings[eventType] && validator.settings[eventType].call(validator, this[0] );
                        }
                        $(this.currentForm)
                                .validateDelegate(":text, :password, :file, select, textarea", "focusin focusout keyup", delegate)
                                .validateDelegate(":radio, :checkbox, select, option", "click", delegate);

                        if (this.settings.invalidHandler)
                                $(this.currentForm).bind("invalid-form.validate", this.settings.invalidHandler);
                },

                // http://docs.jquery.com/Plugins/Validation/Validator/form
                form: function() {
                        this.checkForm();
                        $.extend(this.submitted, this.errorMap);
                        this.invalid = $.extend({}, this.errorMap);
                        if (!this.valid())
                                $(this.currentForm).triggerHandler("invalid-form", [this]);
                        this.showErrors();
                        return this.valid();
                },
                
                checkForm: function() {
                        this.prepareForm();
                        for ( var i = 0, elements = (this.currentElements = this.elements()); elements[i]; i++ ) {
                                this.check( elements[i] );
                        }
                        return this.valid(); 
                },
                
                // http://docs.jquery.com/Plugins/Validation/Validator/element
                element: function( element ) {
                        element = this.clean( element );
                        this.lastElement = element;
                        this.prepareElement( element );
                        this.currentElements = $(element);
                        var result = this.check( element );
                        if ( result ) {
                                delete this.invalid[element.name];
                        } else {
                                this.invalid[element.name] = true;
                        }
                        if ( !this.numberOfInvalids() ) {
                                // Hide error containers on last error
                                this.toHide = this.toHide.add( this.containers );
                        }
                        this.showErrors();
                        return result;
                },

                // http://docs.jquery.com/Plugins/Validation/Validator/showErrors
                showErrors: function(errors) {
                        if(errors) {
                                // add items to error list and map
                                $.extend( this.errorMap, errors );
                                this.errorList = [];
                                for ( var name in errors ) {
                                        this.errorList.push({
                                                message: errors[name],
                                                element: this.findByName(name)[0]
                                        });
                                }
                                // remove items from success list
                                this.successList = $.grep( this.successList, function(element) {
                                        return !(element.name in errors);
                                });
                        }
                        this.settings.showErrors
                                ? this.settings.showErrors.call( this, this.errorMap, this.errorList )
                                : this.defaultShowErrors();
                },
                
                // http://docs.jquery.com/Plugins/Validation/Validator/resetForm
                resetForm: function() {
                        if ( $.fn.resetForm )
                                $( this.currentForm ).resetForm();
                        this.submitted = {};
                        this.prepareForm();
                        this.hideErrors();
                        this.elements().removeClass( this.settings.errorClass );
                },
                
                numberOfInvalids: function() {
                        return this.objectLength(this.invalid);
                },
                
                objectLength: function( obj ) {
                        var count = 0;
                        for ( var i in obj )
                                count++;
                        return count;
                },
                
                hideErrors: function() {
                        this.addWrapper( this.toHide ).hide();
                },
                
                valid: function() {
                        return this.size() == 0;
                },
                
                size: function() {
                        return this.errorList.length;
                },
                
                focusInvalid: function() {
                        if( this.settings.focusInvalid ) {
                                try {
                                        $(this.findLastActive() || this.errorList.length && this.errorList[0].element || [])
                                        .filter(":visible")
                                        .focus()
                                        // manually trigger focusin event; without it, focusin handler isn't called, findLastActive won't have anything to find
                                        .trigger("focusin");
                                } catch(e) {
                                        // ignore IE throwing errors when focusing hidden elements
                                }
                        }
                },
                
                findLastActive: function() {
                        var lastActive = this.lastActive;
                        return lastActive && $.grep(this.errorList, function(n) {
                                return n.element.name == lastActive.name;
                        }).length == 1 && lastActive;
                },
                
                elements: function() {
                        var validator = this,
                                rulesCache = {};
                        
                        // select all valid inputs inside the form (no submit or reset buttons)
                        // workaround $Query([]).add until http://dev.jquery.com/ticket/2114 is solved
                        return $([]).add(this.currentForm.elements)
                        .filter(":input")
                        .not(":submit, :reset, :image, [disabled]")
                        .not( this.settings.ignore )
                        .filter(function() {
                                !this.name && validator.settings.debug && window.console && console.error( "%o has no name assigned", this);
                        
                                // select only the first element for each name, and only those with rules specified
                                if ( this.name in rulesCache || !validator.objectLength($(this).rules()) )
                                        return false;
                                
                                rulesCache[this.name] = true;
                                return true;
                        });
                },
                
                clean: function( selector ) {
                        return $( selector )[0];
                },
                
                errors: function() {
                        return $( this.settings.errorElement + "." + this.settings.errorClass, this.errorContext );
                },
                
                reset: function() {
                        this.successList = [];
                        this.errorList = [];
                        this.errorMap = {};
                        this.toShow = $([]);
                        this.toHide = $([]);
                        this.currentElements = $([]);
                },
                
                prepareForm: function() {
                        this.reset();
                        this.toHide = this.errors().add( this.containers );
                },
                
                prepareElement: function( element ) {
                        this.reset();
                        this.toHide = this.errorsFor(element);
                },
        
                check: function( element ) {
                        element = this.clean( element );
                        
                        // if radio/checkbox, validate first element in group instead
                        if (this.checkable(element)) {
                                element = this.findByName( element.name )[0];
                        }
                        
                        var rules = $(element).rules();
                        var dependencyMismatch = false;
                        for( method in rules ) {
                                var rule = { method: method, parameters: rules[method] };
                                try {
                                        var result = $.validator.methods[method].call( this, element.value.replace(/\r/g, ""), element, rule.parameters );
                                        
                                        // if a method indicates that the field is optional and therefore valid,
                                        // don't mark it as valid when there are no other rules
                                        if ( result == "dependency-mismatch" ) {
                                                dependencyMismatch = true;
                                                continue;
                                        }
                                        dependencyMismatch = false;
                                        
                                        if ( result == "pending" ) {
                                                this.toHide = this.toHide.not( this.errorsFor(element) );
                                                return;
                                        }
                                        
                                        if( !result ) {
                                                this.formatAndAdd( element, rule );
                                                return false;
                                        }
                                } catch(e) {
                                        this.settings.debug && window.console && console.log("exception occured when checking element " + element.id
                                                 + ", check the '" + rule.method + "' method", e);
                                        throw e;
                                }
                        }
                        if (dependencyMismatch)
                                return;
                        if ( this.objectLength(rules) )
                                this.successList.push(element);
                        return true;
                },
                
                // return the custom message for the given element and validation method
                // specified in the element's "messages" metadata
                customMetaMessage: function(element, method) {
                        if (!$.metadata)
                                return;
                        
                        var meta = this.settings.meta
                                ? $(element).metadata()[this.settings.meta]
                                : $(element).metadata();
                        
                        return meta && meta.messages && meta.messages[method];
                },
                
                // return the custom message for the given element name and validation method
                customMessage: function( name, method ) {
                        var m = this.settings.messages[name];
                        return m && (m.constructor == String
                                ? m
                                : m[method]);
                },
                
                // return the first defined argument, allowing empty strings
                findDefined: function() {
                        for(var i = 0; i < arguments.length; i++) {
                                if (arguments[i] !== undefined)
                                        return arguments[i];
                        }
                        return undefined;
                },
                
                defaultMessage: function( element, method) {
                        return this.findDefined(
                                this.customMessage( element.name, method ),
                                this.customMetaMessage( element, method ),
                                // title is never undefined, so handle empty string as undefined
                                !this.settings.ignoreTitle && element.title || undefined,
                                $.validator.messages[method],
                                "<strong>Warning: No message defined for " + element.name + "</strong>"
                        );
                },
                
                formatAndAdd: function( element, rule ) {
                        var message = this.defaultMessage( element, rule.method ),
                                theregex = /\$?\{(\d+)\}/g;
                        if ( typeof message == "function" ) {
                                message = message.call(this, rule.parameters, element);
                        } else if (theregex.test(message)) {
                                message = jQuery.format(message.replace(theregex, '{$1}'), rule.parameters);
                        }                       
                        this.errorList.push({
                                message: message,
                                element: element
                        });
                        
                        this.errorMap[element.name] = message;
                        this.submitted[element.name] = message;
                },
                
                addWrapper: function(toToggle) {
                        if ( this.settings.wrapper )
                                toToggle = toToggle.add( toToggle.parent( this.settings.wrapper ) );
                        return toToggle;
                },
                
                defaultShowErrors: function() {
                        for ( var i = 0; this.errorList[i]; i++ ) {
                                var error = this.errorList[i];
                                this.settings.highlight && this.settings.highlight.call( this, error.element, this.settings.errorClass, this.settings.validClass );
                                this.showLabel( error.element, error.message );
                        }
                        if( this.errorList.length ) {
                                this.toShow = this.toShow.add( this.containers );
                        }
                        if (this.settings.success) {
                                for ( var i = 0; this.successList[i]; i++ ) {
                                        this.showLabel( this.successList[i] );
                                }
                        }
                        if (this.settings.unhighlight) {
                                for ( var i = 0, elements = this.validElements(); elements[i]; i++ ) {
                                        this.settings.unhighlight.call( this, elements[i], this.settings.errorClass, this.settings.validClass );
                                }
                        }
                        this.toHide = this.toHide.not( this.toShow );
                        this.hideErrors();
                        this.addWrapper( this.toShow ).show();
                },
                
                validElements: function() {
                        return this.currentElements.not(this.invalidElements());
                },
                
                invalidElements: function() {
                        return $(this.errorList).map(function() {
                                return this.element;
                        });
                },
                
                showLabel: function(element, message) {
                        var label = this.errorsFor( element );
                        if ( label.length ) {
                                // refresh error/success class
                                label.removeClass().addClass( this.settings.errorClass );
                        
                                // check if we have a generated label, replace the message then
                                label.attr("generated") && label.html(message);
                        } else {
                                // create label
                                label = $("<" + this.settings.errorElement + "/>")
                                        .attr({"for":  this.idOrName(element), generated: true})
                                        .addClass(this.settings.errorClass)
                                        .html(message || "");
                                if ( this.settings.wrapper ) {
                                        // make sure the element is visible, even in IE
                                        // actually showing the wrapped element is handled elsewhere
                                        label = label.hide().show().wrap("<" + this.settings.wrapper + "/>").parent();
                                }
                                if ( !this.labelContainer.append(label).length )
                                        this.settings.errorPlacement
                                                ? this.settings.errorPlacement(label, $(element) )
                                                : label.insertAfter(element);
                        }
                        if ( !message && this.settings.success ) {
                                label.text("");
                                typeof this.settings.success == "string"
                                        ? label.addClass( this.settings.success )
                                        : this.settings.success( label );
                        }
                        this.toShow = this.toShow.add(label);
                },
                
                errorsFor: function(element) {
                        var name = this.idOrName(element);
                return this.errors().filter(function() {
                                return $(this).attr('for') == name;
                        });
                },
                
                idOrName: function(element) {
                        return this.groups[element.name] || (this.checkable(element) ? element.name : element.id || element.name);
                },

                checkable: function( element ) {
                        return /radio|checkbox/i.test(element.type);
                },
                
                findByName: function( name ) {
                        // select by name and filter by form for performance over form.find("[name=...]")
                        var form = this.currentForm;
                        return $(document.getElementsByName(name)).map(function(index, element) {
                                return element.form == form && element.name == name && element  || null;
                        });
                },
                
                getLength: function(value, element) {
                        switch( element.nodeName.toLowerCase() ) {
                        case 'select':
                                return $("option:selected", element).length;
                        case 'input':
                                if( this.checkable( element) )
                                        return this.findByName(element.name).filter(':checked').length;
                        }
                        return value.length;
                },
        
                depend: function(param, element) {
                        return this.dependTypes[typeof param]
                                ? this.dependTypes[typeof param](param, element)
                                : true;
                },
        
                dependTypes: {
                        "boolean": function(param, element) {
                                return param;
                        },
                        "string": function(param, element) {
                                return !!$(param, element.form).length;
                        },
                        "function": function(param, element) {
                                return param(element);
                        }
                },
                
                optional: function(element) {
                        return !$.validator.methods.required.call(this, $.trim(element.value), element) && "dependency-mismatch";
                },
                
                startRequest: function(element) {
                        if (!this.pending[element.name]) {
                                this.pendingRequest++;
                                this.pending[element.name] = true;
                        }
                },
                
                stopRequest: function(element, valid) {
                        this.pendingRequest--;
                        // sometimes synchronization fails, make sure pendingRequest is never < 0
                        if (this.pendingRequest < 0)
                                this.pendingRequest = 0;
                        delete this.pending[element.name];
                        if ( valid && this.pendingRequest == 0 && this.formSubmitted && this.form() ) {
                                $(this.currentForm).submit();
                                this.formSubmitted = false;
                        } else if (!valid && this.pendingRequest == 0 && this.formSubmitted) {
                                $(this.currentForm).triggerHandler("invalid-form", [this]);
                                this.formSubmitted = false;
                        }
                },
                
                previousValue: function(element) {
                        return $.data(element, "previousValue") || $.data(element, "previousValue", {
                                old: null,
                                valid: true,
                                message: this.defaultMessage( element, "remote" )
                        });
                }
                
        },
        
        classRuleSettings: {
                required: {required: true},
                email: {email: true},
                url: {url: true},
                date: {date: true},
                dateISO: {dateISO: true},
                dateDE: {dateDE: true},
                number: {number: true},
                numberDE: {numberDE: true},
                digits: {digits: true},
                creditcard: {creditcard: true}
        },
        
        addClassRules: function(className, rules) {
                className.constructor == String ?
                        this.classRuleSettings[className] = rules :
                        $.extend(this.classRuleSettings, className);
        },
        
        classRules: function(element) {
                var rules = {};
                var classes = $(element).attr('class');
                classes && $.each(classes.split(' '), function() {
                        if (this in $.validator.classRuleSettings) {
                                $.extend(rules, $.validator.classRuleSettings[this]);
                        }
                });
                return rules;
        },
        
        attributeRules: function(element) {
                var rules = {};
                var $element = $(element);
                
                for (method in $.validator.methods) {
                        var value = $element.attr(method);
                        if (value) {
                                rules[method] = value;
                        }
                }
                
                // maxlength may be returned as -1, 2147483647 (IE) and 524288 (safari) for text inputs
                if (rules.maxlength && /-1|2147483647|524288/.test(rules.maxlength)) {
                        delete rules.maxlength;
                }
                
                return rules;
        },
        
        metadataRules: function(element) {
                if (!$.metadata) return {};
                
                var meta = $.data(element.form, 'validator').settings.meta;
                return meta ?
                        $(element).metadata()[meta] :
                        $(element).metadata();
        },
        
        staticRules: function(element) {
                var rules = {};
                var validator = $.data(element.form, 'validator');
                if (validator.settings.rules) {
                        rules = $.validator.normalizeRule(validator.settings.rules[element.name]) || {};
                }
                return rules;
        },
        
        normalizeRules: function(rules, element) {
                // handle dependency check
                $.each(rules, function(prop, val) {
                        // ignore rule when param is explicitly false, eg. required:false
                        if (val === false) {
                                delete rules[prop];
                                return;
                        }
                        if (val.param || val.depends) {
                                var keepRule = true;
                                switch (typeof val.depends) {
                                        case "string":
                                                keepRule = !!$(val.depends, element.form).length;
                                                break;
                                        case "function":
                                                keepRule = val.depends.call(element, element);
                                                break;
                                }
                                if (keepRule) {
                                        rules[prop] = val.param !== undefined ? val.param : true;
                                } else {
                                        delete rules[prop];
                                }
                        }
                });
                
                // evaluate parameters
                $.each(rules, function(rule, parameter) {
                        rules[rule] = $.isFunction(parameter) ? parameter(element) : parameter;
                });
                
                // clean number parameters
                $.each(['minlength', 'maxlength', 'min', 'max'], function() {
                        if (rules[this]) {
                                rules[this] = Number(rules[this]);
                        }
                });
                $.each(['rangelength', 'range'], function() {
                        if (rules[this]) {
                                rules[this] = [Number(rules[this][0]), Number(rules[this][1])];
                        }
                });
                
                if ($.validator.autoCreateRanges) {
                        // auto-create ranges
                        if (rules.min && rules.max) {
                                rules.range = [rules.min, rules.max];
                                delete rules.min;
                                delete rules.max;
                        }
                        if (rules.minlength && rules.maxlength) {
                                rules.rangelength = [rules.minlength, rules.maxlength];
                                delete rules.minlength;
                                delete rules.maxlength;
                        }
                }
                
                // To support custom messages in metadata ignore rule methods titled "messages"
                if (rules.messages) {
                        delete rules.messages;
                }
                
                return rules;
        },
        
        // Converts a simple string to a {string: true} rule, e.g., "required" to {required:true}
        normalizeRule: function(data) {
                if( typeof data == "string" ) {
                        var transformed = {};
                        $.each(data.split(/\s/), function() {
                                transformed[this] = true;
                        });
                        data = transformed;
                }
                return data;
        },
        
        // http://docs.jquery.com/Plugins/Validation/Validator/addMethod
        addMethod: function(name, method, message) {
                $.validator.methods[name] = method;
                $.validator.messages[name] = message != undefined ? message : $.validator.messages[name];
                if (method.length < 3) {
                        $.validator.addClassRules(name, $.validator.normalizeRule(name));
                }
        },

        methods: {

                // http://docs.jquery.com/Plugins/Validation/Methods/required
                required: function(value, element, param) {
                        // check if dependency is met
                        if ( !this.depend(param, element) )
                                return "dependency-mismatch";
                        switch( element.nodeName.toLowerCase() ) {
                        case 'select':
                                // could be an array for select-multiple or a string, both are fine this way
                                var val = $(element).val();
                                return val && val.length > 0;
                        case 'input':
                                if ( this.checkable(element) )
                                        return this.getLength(value, element) > 0;
                        default:
                                return $.trim(value).length > 0;
                        }
                },
                
                // http://docs.jquery.com/Plugins/Validation/Methods/remote
                remote: function(value, element, param) {
                        if ( this.optional(element) )
                                return "dependency-mismatch";
                        
                        var previous = this.previousValue(element);
                        if (!this.settings.messages[element.name] )
                                this.settings.messages[element.name] = {};
                        previous.originalMessage = this.settings.messages[element.name].remote;
                        this.settings.messages[element.name].remote = previous.message;
                        
                        param = typeof param == "string" && {url:param} || param; 
                        
                        if ( previous.old !== value ) {
                                previous.old = value;
                                var validator = this;
                                this.startRequest(element);
                                var data = {};
                                data[element.name] = value;
                                $.ajax($.extend(true, {
                                        url: param,
                                        mode: "abort",
                                        port: "validate" + element.name,
                                        dataType: "json",
                                        data: data,
                                        success: function(response) {
                                                validator.settings.messages[element.name].remote = previous.originalMessage;
                                                var valid = response === true;
                                                if ( valid ) {
                                                        var submitted = validator.formSubmitted;
                                                        validator.prepareElement(element);
                                                        validator.formSubmitted = submitted;
                                                        validator.successList.push(element);
                                                        validator.showErrors();
                                                } else {
                                                        var errors = {};
                                                        var message = (previous.message = response || validator.defaultMessage( element, "remote" ));
                                                        errors[element.name] = $.isFunction(message) ? message(value) : message;
                                                        validator.showErrors(errors);
                                                }
                                                previous.valid = valid;
                                                validator.stopRequest(element, valid);
                                        }
                                }, param));
                                return "pending";
                        } else if( this.pending[element.name] ) {
                                return "pending";
                        }
                        return previous.valid;
                },

                // http://docs.jquery.com/Plugins/Validation/Methods/minlength
                minlength: function(value, element, param) {
                        return this.optional(element) || this.getLength($.trim(value), element) >= param;
                },
                
                // http://docs.jquery.com/Plugins/Validation/Methods/maxlength
                maxlength: function(value, element, param) {
                        return this.optional(element) || this.getLength($.trim(value), element) <= param;
                },
                
                // http://docs.jquery.com/Plugins/Validation/Methods/rangelength
                rangelength: function(value, element, param) {
                        var length = this.getLength($.trim(value), element);
                        return this.optional(element) || ( length >= param[0] && length <= param[1] );
                },
                
                // http://docs.jquery.com/Plugins/Validation/Methods/min
                min: function( value, element, param ) {
                        return this.optional(element) || value >= param;
                },
                
                // http://docs.jquery.com/Plugins/Validation/Methods/max
                max: function( value, element, param ) {
                        return this.optional(element) || value <= param;
                },
                
                // http://docs.jquery.com/Plugins/Validation/Methods/range
                range: function( value, element, param ) {
                        return this.optional(element) || ( value >= param[0] && value <= param[1] );
                },
                
                // http://docs.jquery.com/Plugins/Validation/Methods/email
                email: function(value, element) {
                        // contributed by Scott Gonzalez: http://projects.scottsplayground.com/email_address_validation/
                        return this.optional(element) || /^((([a-z]|\d|[!#\$%&'\*\+\-\/=\?\^_`{\|}~]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])+(\.([a-z]|\d|[!#\$%&'\*\+\-\/=\?\^_`{\|}~]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])+)*)|((\x22)((((\x20|\x09)*(\x0d\x0a))?(\x20|\x09)+)?(([\x01-\x08\x0b\x0c\x0e-\x1f\x7f]|\x21|[\x23-\x5b]|[\x5d-\x7e]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(\\([\x01-\x09\x0b\x0c\x0d-\x7f]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF]))))*(((\x20|\x09)*(\x0d\x0a))?(\x20|\x09)+)?(\x22)))@((([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])*([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])))\.)+(([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])*([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])))\.?$/i.test(value);
                },
        
                // http://docs.jquery.com/Plugins/Validation/Methods/url
                url: function(value, element) {
                        // contributed by Scott Gonzalez: http://projects.scottsplayground.com/iri/
                        return this.optional(element) || /^(https?|ftp):\/\/(((([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&'\(\)\*\+,;=]|:)*@)?(((\d|[1-9]\d|1\d\d|2[0-4]\d|25[0-5])\.(\d|[1-9]\d|1\d\d|2[0-4]\d|25[0-5])\.(\d|[1-9]\d|1\d\d|2[0-4]\d|25[0-5])\.(\d|[1-9]\d|1\d\d|2[0-4]\d|25[0-5]))|((([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])*([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])))\.)+(([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])*([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])))\.?)(:\d*)?)(\/((([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&'\(\)\*\+,;=]|:|@)+(\/(([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&'\(\)\*\+,;=]|:|@)*)*)?)?(\?((([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&'\(\)\*\+,;=]|:|@)|[\uE000-\uF8FF]|\/|\?)*)?(\#((([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&'\(\)\*\+,;=]|:|@)|\/|\?)*)?$/i.test(value);
                },
        
                // http://docs.jquery.com/Plugins/Validation/Methods/date
                date: function(value, element) {
                        return this.optional(element) || !/Invalid|NaN/.test(new Date(value));
                },
        
                // http://docs.jquery.com/Plugins/Validation/Methods/dateISO
                dateISO: function(value, element) {
                        return this.optional(element) || /^\d{4}[\/-]\d{1,2}[\/-]\d{1,2}$/.test(value);
                },
        
                // http://docs.jquery.com/Plugins/Validation/Methods/number
                number: function(value, element) {
                        return this.optional(element) || /^-?(?:\d+|\d{1,3}(?:,\d{3})+)(?:\.\d+)?$/.test(value);
                },
        
                // http://docs.jquery.com/Plugins/Validation/Methods/digits
                digits: function(value, element) {
                        return this.optional(element) || /^\d+$/.test(value);
                },
                
                // http://docs.jquery.com/Plugins/Validation/Methods/creditcard
                // based on http://en.wikipedia.org/wiki/Luhn
                creditcard: function(value, element) {
                        if ( this.optional(element) )
                                return "dependency-mismatch";
                        // accept only digits and dashes
                        if (/[^0-9-]+/.test(value))
                                return false;
                        var nCheck = 0,
                                nDigit = 0,
                                bEven = false;

                        value = value.replace(/\D/g, "");

                        for (var n = value.length - 1; n >= 0; n--) {
                                var cDigit = value.charAt(n);
                                var nDigit = parseInt(cDigit, 10);
                                if (bEven) {
                                        if ((nDigit *= 2) > 9)
                                                nDigit -= 9;
                                }
                                nCheck += nDigit;
                                bEven = !bEven;
                        }

                        return (nCheck % 10) == 0;
                },
                
                // http://docs.jquery.com/Plugins/Validation/Methods/accept
                accept: function(value, element, param) {
                        param = typeof param == "string" ? param.replace(/,/g, '|') : "png|jpe?g|gif";
                        return this.optional(element) || value.match(new RegExp(".(" + param + ")$", "i")); 
                },
                
                // http://docs.jquery.com/Plugins/Validation/Methods/equalTo
                equalTo: function(value, element, param) {
                        // bind to the blur event of the target in order to revalidate whenever the target field is updated
                        // TODO find a way to bind the event just once, avoiding the unbind-rebind overhead
                        var target = $(param).unbind(".validate-equalTo").bind("blur.validate-equalTo", function() {
                                $(element).valid();
                        });
                        return value == target.val();
                }
                
        }
        
});

// deprecated, use $.validator.format instead
$.format = $.validator.format;

})(jQuery);

// ajax mode: abort
// usage: $.ajax({ mode: "abort"[, port: "uniqueport"]});
// if mode:"abort" is used, the previous request on that port (port can be undefined) is aborted via XMLHttpRequest.abort() 
;(function($) {
        var ajax = $.ajax;
        var pendingRequests = {};
        $.ajax = function(settings) {
                // create settings for compatibility with ajaxSetup
                settings = $.extend(settings, $.extend({}, $.ajaxSettings, settings));
                var port = settings.port;
                if (settings.mode == "abort") {
                        if ( pendingRequests[port] ) {
                                pendingRequests[port].abort();
                        }
                        return (pendingRequests[port] = ajax.apply(this, arguments));
                }
                return ajax.apply(this, arguments);
        };
})(jQuery);

// provides cross-browser focusin and focusout events
// IE has native support, in other browsers, use event caputuring (neither bubbles)

// provides delegate(type: String, delegate: Selector, handler: Callback) plugin for easier event delegation
// handler is only called when $(event.target).is(delegate), in the scope of the jquery-object for event.target 
;(function($) {
        // only implement if not provided by jQuery core (since 1.4)
        // TODO verify if jQuery 1.4's implementation is compatible with older jQuery special-event APIs
        if (!jQuery.event.special.focusin && !jQuery.event.special.focusout && document.addEventListener) {
                $.each({
                        focus: 'focusin',
                        blur: 'focusout'        
                }, function( original, fix ){
                        $.event.special[fix] = {
                                setup:function() {
                                        this.addEventListener( original, handler, true );
                                },
                                teardown:function() {
                                        this.removeEventListener( original, handler, true );
                                },
                                handler: function(e) {
                                        arguments[0] = $.event.fix(e);
                                        arguments[0].type = fix;
                                        return $.event.handle.apply(this, arguments);
                                }
                        };
                        function handler(e) {
                                e = $.event.fix(e);
                                e.type = fix;
                                return $.event.handle.call(this, e);
                        }
                });
        };
        $.extend($.fn, {
                validateDelegate: function(delegate, type, handler) {
                        return this.bind(type, function(event) {
                                var target = $(event.target);
                                if (target.is(delegate)) {
                                        return handler.apply(target, arguments);
                                }
                        });
                }
        });
})(jQuery);