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162 naveen 1 
/*
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 * jQuery UI Progressbar 1.8.1
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 *
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 * Copyright (c) 2010 AUTHORS.txt (http://jqueryui.com/about)
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 * Dual licensed under the MIT (MIT-LICENSE.txt)
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 * and GPL (GPL-LICENSE.txt) licenses.
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 *
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 * http://docs.jquery.com/UI/Progressbar
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 *
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 * Depends:
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 *   jquery.ui.core.js
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 *   jquery.ui.widget.js
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 */
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(function( $ ) {
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$.widget( "ui.progressbar", {
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	options: {
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		value: 0
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	},
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	_create: function() {
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		this.element
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			.addClass( "ui-progressbar ui-widget ui-widget-content ui-corner-all" )
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			.attr({
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				role: "progressbar",
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				"aria-valuemin": this._valueMin(),
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				"aria-valuemax": this._valueMax(),
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				"aria-valuenow": this._value()
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			});
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		this.valueDiv = $( "<div class='ui-progressbar-value ui-widget-header ui-corner-left'></div>" )
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			.appendTo( this.element );
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		this._refreshValue();
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	},
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	destroy: function() {
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		this.element
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			.removeClass( "ui-progressbar ui-widget ui-widget-content ui-corner-all" )
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			.removeAttr( "role" )
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			.removeAttr( "aria-valuemin" )
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			.removeAttr( "aria-valuemax" )
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			.removeAttr( "aria-valuenow" );
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		this.valueDiv.remove();
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		$.Widget.prototype.destroy.apply( this, arguments );
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	},
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	value: function( newValue ) {
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		if ( newValue === undefined ) {
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			return this._value();
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		}
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		this._setOption( "value", newValue );
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		return this;
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	},
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	_setOption: function( key, value ) {
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		switch ( key ) {
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			case "value":
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				this.options.value = value;
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				this._refreshValue();
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				this._trigger( "change" );
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				break;
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		}
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		$.Widget.prototype._setOption.apply( this, arguments );
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	},
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	_value: function() {
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		var val = this.options.value;
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		// normalize invalid value
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		if ( typeof val !== "number" ) {
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			val = 0;
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		}
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		if ( val < this._valueMin() ) {
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			val = this._valueMin();
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		}
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		if ( val > this._valueMax() ) {
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			val = this._valueMax();
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		}
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		return val;
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	},
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	_valueMin: function() {
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		return 0;
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	},
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	_valueMax: function() {
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		return 100;
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	},
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	_refreshValue: function() {
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		var value = this.value();
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		this.valueDiv
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			[ value === this._valueMax() ? "addClass" : "removeClass"]( "ui-corner-right" )
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			.width( value + "%" );
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		this.element.attr( "aria-valuenow", value );
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	}
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});
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$.extend( $.ui.progressbar, {
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	version: "1.8.1"
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});
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})( jQuery );