text: /*
  
   * --------------------------------------------------------------------
  
   * jQuery-Plugin - selectToUISlider - creates a UI slider component from a select element(s)
  
   * by Scott Jehl, scott@filamentgroup.com
  
   * http://www.filamentgroup.com
  
   * reference article: http://www.filamentgroup.com/lab/update_jquery_ui_16_slider_from_a_select_element/
  
   * demo page: http://www.filamentgroup.com/examples/slider_v2/index.html
  
   * 
  
   * Copyright (c) 2008 Filament Group, Inc
  
   * Dual licensed under the MIT (filamentgroup.com/examples/mit-license.txt) and GPL (filamentgroup.com/examples/gpl-license.txt) licenses.
  
   *
  
   * Usage Notes: please refer to our article above for documentation
  
   *  
  
   * --------------------------------------------------------------------
  
   */
  
  
  
  
  
  jQuery.fn.selectToUISlider = function(settings){
  
  	var selects = jQuery(this);
  
  	
  
  	//accessible slider options
  
  	var options = jQuery.extend({
  
  		labels: 3, //number of visible labels
  
  		tooltip: true, //show tooltips, boolean
  
  		tooltipSrc: 'text',//accepts 'value' as well
  
  		labelSrc: 'value',//accepts 'value' as well	,
  
  		sliderOptions: null
  
  	}, settings);
  
  
  
  
  
  	//handle ID attrs - selects each need IDs for handles to find them
  
  	var handleIds = (function(){
  
  		var tempArr = [];
  
  		selects.each(function(){
  
  			tempArr.push('handle_'+jQuery(this).attr('id'));
  
  		});
  
  		return tempArr;
  
  	})();
  
  	
  
  	//array of all option elements in select element (ignores optgroups)
  
  	var selectOptions = (function(){
  
  		var opts = [];
  
  		selects.eq(0).find('option').each(function(){
  
  			opts.push({
  
  				value: jQuery(this).attr('value'),
  
  				text: jQuery(this).text()
  
  			});
  
  		});
  
  		return opts;
  
  	})();
  
  	
  
  	//array of opt groups if present
  
  	var groups = (function(){
  
  		if(selects.eq(0).find('optgroup').size()>0){
  
  			var groupedData = [];
  
  			selects.eq(0).find('optgroup').each(function(i){
  
  				groupedData[i] = {};
  
  				groupedData[i].label = jQuery(this).attr('label');
  
  				groupedData[i].options = [];
  
  				jQuery(this).find('option').each(function(){
  
  					groupedData[i].options.push({text: jQuery(this).text(), value: jQuery(this).attr('value')});
  
  				});
  
  			});
  
  			return groupedData;
  
  		}
  
  		else return null;
  
  	})();	
  
  	
  
  	//check if obj is array
  
  	function isArray(obj) {
  
  		return obj.constructor == Array;
  
  	}
  
  	//return tooltip text from option index
  
  	function ttText(optIndex){
  
  		return (options.tooltipSrc == 'text') ? selectOptions[optIndex].text : selectOptions[optIndex].value;
  
  	}
  
  	
  
  	//plugin-generated slider options (can be overridden)
  
  	var sliderOptions = {
  
  		step: 1,
  
  		min: 0,
  
  		orientation: 'horizontal',
  
  		max: selectOptions.length-1,
  
  		range: selects.length > 1,//multiple select elements = true
  
  		slide: function(e, ui) {//slide function
  
  				var thisHandle = jQuery(ui.handle);
  
  				//handle feedback 
  
  				var textval = ttText(ui.value);
  
  				thisHandle
  
  					.attr('aria-valuetext', textval)
  
  					.attr('aria-valuenow', ui.value)
  
  					.find('.ui-slider-tooltip .ttContent')
  
  						.text( textval );
  
  
  
  				//control original select menu
  
  				var currSelect = jQuery('#' + thisHandle.attr('id').split('handle_')[1]);
  
  				currSelect.find('option').eq(ui.value).attr('selected', 'selected');
  
  		},
  
  		values: (function(){
  
  			var values = [];
  
  			selects.each(function(){
  
  				values.push( jQuery(this).get(0).selectedIndex );
  
  			});
  
  			return values;
  
  		})()
  
  	};
  
  	
  
  	//slider options from settings
  
  	options.sliderOptions = (settings) ? jQuery.extend(sliderOptions, settings.sliderOptions) : sliderOptions;
  
  		
  
  	//select element change event	
  
  	selects.bind('change keyup click', function(){
  
  		var thisIndex = jQuery(this).get(0).selectedIndex;
  
  		var thisHandle = jQuery('#handle_'+ jQuery(this).attr('id'));
  
  		var handleIndex = thisHandle.data('handleNum');
  
  		thisHandle.parents('.ui-slider:eq(0)').slider("values", handleIndex, thisIndex);
  
  	});
  
  	
  
  
  
  	//create slider component div
  
  	var sliderComponent = jQuery('<div></div>');
  
  
  
  	//CREATE HANDLES
  
  	selects.each(function(i){
  
  		var hidett = '';
  
  		
  
  		//associate label for ARIA
  
  		var thisLabel = jQuery('label[for=' + jQuery(this).attr('id') +']');
  
  		//labelled by aria doesn't seem to work on slider handle. Using title attr as backup
  
  		var labelText = (thisLabel.size()>0) ? 'Slider control for '+ thisLabel.text()+'' : '';
  
  		var thisLabelId = thisLabel.attr('id') || thisLabel.attr('id', 'label_'+handleIds[i]).attr('id');
  
  		
  
  		
  
  		if( options.tooltip == false ){hidett = ' style="display: none;"';}
  
  		jQuery('<a '+
  
  				'href="#" tabindex="0" '+
  
  				'id="'+handleIds[i]+'" '+
  
  				'class="ui-slider-handle" '+
  
  				'role="slider" '+
  
  				'aria-labelledby="'+thisLabelId+'" '+
  
  				'aria-valuemin="'+options.sliderOptions.min+'" '+
  
  				'aria-valuemax="'+options.sliderOptions.max+'" '+
  
  				'aria-valuenow="'+options.sliderOptions.values[i]+'" '+
  
  				'aria-valuetext="'+ttText(options.sliderOptions.values[i])+'" '+
  
  			'><span class="screenReaderContext">'+labelText+'</span>'+
  
  			'<span class="ui-slider-tooltip ui-widget-content ui-corner-all"'+ hidett +'><span class="ttContent"></span>'+
  
  				'<span class="ui-tooltip-pointer-down ui-widget-content"><span class="ui-tooltip-pointer-down-inner"></span></span>'+
  
  			'</span></a>')
  
  			.data('handleNum',i)
  
  			.appendTo(sliderComponent);
  
  	});
  
  	
  
  	//CREATE SCALE AND TICS
  
  	
  
  	//write dl if there are optgroups
  
  	if(groups) {
  
  		var inc = 0;
  
  		var scale = sliderComponent.append('<dl class="ui-slider-scale ui-helper-reset" role="presentation"></dl>').find('.ui-slider-scale:eq(0)');
  
  		jQuery(groups).each(function(h){
  
  			scale.append('<dt style="width: '+ (100/groups.length).toFixed(2) +'%' +'; left:'+ (h/(groups.length-1) * 100).toFixed(2)  +'%' +'"><span>'+this.label+'</span></dt>');//class name becomes camelCased label
  
  			var groupOpts = this.options;
  
  			jQuery(this.options).each(function(i){
  
  				var style = (inc == selectOptions.length-1 || inc == 0) ? 'style="display: none;"' : '' ;
  
  				var labelText = (options.labelSrc == 'text') ? groupOpts[i].text : groupOpts[i].value;
  
  				scale.append('<dd style="left:'+ leftVal(inc) +'"><span class="ui-slider-label">'+ labelText +'</span><span class="ui-slider-tic ui-widget-content"'+ style +'></span></dd>');
  
  				inc++;
  
  			});
  
  		});
  
  	}
  
  	//write ol
  
  	else {
  
  		var scale = sliderComponent.append('<ol class="ui-slider-scale ui-helper-reset" role="presentation"></ol>').find('.ui-slider-scale:eq(0)');
  
  		jQuery(selectOptions).each(function(i){
  
  			var style = (i == selectOptions.length-1 || i == 0) ? 'style="display: none;"' : '' ;
  
  			var labelText = (options.labelSrc == 'text') ? this.text : this.value;
  
  			scale.append('<li style="left:'+ leftVal(i) +'"><span class="ui-slider-label">'+ labelText +'</span><span class="ui-slider-tic ui-widget-content"'+ style +'></span></li>');
  
  		});
  
  	}
  
  	
  
  	function leftVal(i){
  
  		return (i/(selectOptions.length-1) * 100).toFixed(2)  +'%';
  
  		
  
  	}
  
  	
  
  
  
  	
  
  	
  
  	//show and hide labels depending on labels pref
  
  	//show the last one if there are more than 1 specified
  
  	if(options.labels > 1) sliderComponent.find('.ui-slider-scale li:last span.ui-slider-label, .ui-slider-scale dd:last span.ui-slider-label').addClass('ui-slider-label-show');
  
  
  
  	//set increment
  
  	var increm = Math.max(1, Math.round(selectOptions.length / options.labels));
  
  	//show em based on inc
  
  	for(var j=0; j<selectOptions.length; j+=increm){
  
  		if((selectOptions.length - j) > increm){//don't show if it's too close to the end label
  
  			sliderComponent.find('.ui-slider-scale li:eq('+ j +') span.ui-slider-label, .ui-slider-scale dd:eq('+ j +') span.ui-slider-label').addClass('ui-slider-label-show');
  
  		}
  
  	}
  
  
  
  	//style the dt's
  
  	sliderComponent.find('.ui-slider-scale dt').each(function(i){
  
  		jQuery(this).css({
  
  			'left': ((100 /( groups.length))*i).toFixed(2) + '%'
  
  		});
  
  	});
  
  	
  
  
  
  	//inject and return 
  
  	sliderComponent
  
  	.insertAfter(jQuery(this).eq(this.length-1))
  
  	.slider(options.sliderOptions)
  
  	.attr('role','application')
  
  	.find('.ui-slider-label')
  
  	.each(function(){
  
  		jQuery(this).css('marginLeft', -jQuery(this).width()/2);
  
  	});
  
  	
  
  	//update tooltip arrow inner color
  
  	sliderComponent.find('.ui-tooltip-pointer-down-inner').each(function(){
  
  				var bWidth = jQuery('.ui-tooltip-pointer-down-inner').css('borderTopWidth');
  
  				var bColor = jQuery(this).parents('.ui-slider-tooltip').css('backgroundColor')
  
  				jQuery(this).css('border-top', bWidth+' solid '+bColor);
  
  	});
  
  	
  
  	var values = sliderComponent.slider('values');
  
  	
  
  	if(isArray(values)){
  
  		jQuery(values).each(function(i){
  
  			sliderComponent.find('.ui-slider-tooltip .ttContent').eq(i).text( ttText(this) );
  
  		});
  
  	}
  
  	else {
  
  		sliderComponent.find('.ui-slider-tooltip .ttContent').eq(0).text( ttText(values) );
  
  	}
  
  	
  
  	return this;
  
  }
  
  
  
  
  
  