var haccordion = {
    //customize loading message if accordion markup is fetched via Ajax:
    

    accordioninfo: {}, //class that holds config information of each haccordion instance

    setNewWidths: function(accordionid, targetli, passedWidth) {



        var config = haccordion.accordioninfo[accordionid] //cache config info for this accordion
        var $targetlis = $('#' + config.accordionid).find('ul:eq(0) > li') //find top level LIs
        config.$targetlis = $targetlis
        config.selectedli = config.selectedli || [] //set default selectedli option
        config.speed = config.speed || "normal" //set default speed
        $targetlis.each(function(i) {
            var $target = $(this).data('pos', i)
            if ($target != targetli) {
                $target.stop().animate({ width: passedWidth }, config.speed)
            }
        })




    },

	
	expandlibylink: function(accordionid, targetli) {
	
		var config = haccordion.accordioninfo[accordionid]
        var $targetli = (typeof targetli == "number") ? config.$targetlis.eq(targetli) : (typeof targetli == "string") ? jQuery('#' + targetli) : jQuery(targetli)
		
		
		
        if (typeof config.$lastexpanded != "undefined") //the was a previous expanded item
        {
            config.$lastexpanded.stop().animate({ width: config.paneldimensions.peekw }, config.speed) //contract last opened content
    		
			
			
			if (config.$lastexpanded.selector == $targetli.selector) //Closing current one only so set new widths
			{
				haccordion.setNewWidths(config.accordionid, $targetli, config.paneldimensions.peekexpw);
				config.$lastexpanded = undefined;
			}
			else //Opening another one so expand thatone set small widths
			{
				haccordion.setNewWidths(config.accordionid, null, config.paneldimensions.peekw); //Set small widths
				$targetli.stop().animate({ width: $targetli.data('singlePaneloffsetw') }, config.speed) //expand current content
				config.$lastexpanded = $targetli
			}
				
			
			
			
        }
		else //No previous expanded
		{
			haccordion.setNewWidths(config.accordionid, null, config.paneldimensions.peekw); //Set small widths
			$targetli.stop().animate({ width: $targetli.data('singlePaneloffsetw') }, config.speed) //expand current content
			config.$lastexpanded = $targetli
		}

		
	
	},

    urlparamselect: function(accordionid) {
        var result = window.location.search.match(new RegExp(accordionid + "=(\\d+)", "i")) //check for "?accordionid=index" in URL
        if (result != null)
            result = parseInt(RegExp.$1) + "" //return value as string so 0 doesn't test for false
        return result //returns null or index, where index is the desired selected hcontent index
    },

    getCookie: function(Name) {
        var re = new RegExp(Name + "=[^;]+", "i") //construct RE to search for target name/value pair
        if (document.cookie.match(re)) //if cookie found
            return document.cookie.match(re)[0].split("=")[1] //return its value
        return null
    },

    setCookie: function(name, value) {
       document.cookie = name + "=" + value + "; path=/"
		

		
    },




    init: function($, config) {
        haccordion.accordioninfo[config.accordionid] = config //cache config info for this accordion
        var $targetlis = $('#' + config.accordionid).find('ul:eq(0) > li') //find top level LIs
        config.$targetlis = $targetlis
        config.selectedli = config.selectedli || [] //set default selectedli option
        config.speed = config.speed || "normal" //set default speed
        $targetlis.each(function(i) {
            var $target = $(this).data('pos', i) //give each li an index #
            $target.data('singlePaneloffsetw', $target.find('.singlePanel:eq(0)').outerWidth()) //get offset width of each .singlePanel DIV (config.dimensions.fullw + any DIV padding)
          
        }) //end $targetlis.each
        var selectedli = haccordion.urlparamselect(config.accordionid) || ((config.selectedli[1] && haccordion.getCookie(config.accordionid)) ? parseInt(haccordion.getCookie(config.accordionid)) : config.selectedli[0])
        selectedli = parseInt(selectedli)
        if (selectedli >= 0 && selectedli < config.$targetlis.length) { //if selectedli index is within range
			config.$lastexpanded = undefined
			haccordion.expandlibylink(config.accordionid, selectedli)
        }
        else {
            haccordion.setNewWidths(config.accordionid, null, config.paneldimensions.peekexpw);
        }


        $(window).bind('unload', function() { //clean up and persist on page unload
            haccordion.uninit($, config)
        }) //end window.onunload
    },

    uninit: function($, config) {
	
	
        var $targetlis = config.$targetlis
		
        var expandedliindex = -1 
		
		if (typeof config.$lastexpanded != "undefined") //the was a previous expanded item
        {
			expandedliindex = config.$lastexpanded.data('pos')
		}

        if (config.selectedli[1] == true) //enable persistence?
            haccordion.setCookie(config.accordionid, expandedliindex)
    },

    setup: function(config) {
        //Use JS to write out CSS that sets up initial dimensions of each LI, for JS enabled browsers only
        document.write('<style type="text/css">\n')
        document.write('#' + config.accordionid + ' li{width: ' + config.paneldimensions.peekw + ';\nheight: ' + config.paneldimensions.h + ';\n}\n')
        document.write('#' + config.accordionid + ' li .singlePanel{width: ' + config.paneldimensions.fullw + ';\nheight: ' + config.paneldimensions.h + ';\n}\n')
        document.write('<\/style>')
        jQuery(document).ready(function($) { //on Dom load
                haccordion.init($, config)
        }) //end DOM load
    }



}