function getQuerystring(key, default_)
	    {
	        if (default_==null)
	        {
	            default_="";
	        }
	        var search = unescape(location.search);
	        if (search == "")
	        {
	            return default_;
	        }
	        search = search.substr(1);
	        var params = search.split("&");
	        for (var i = 0; i < params.length; i++)
	        {
	            var pairs = params[i].split("=");
	            if(pairs[0] == key)
	            {
	                return pairs[1];
	            }
	        }
	        return default_;
	    }
	    
	    function onLoadHandler(){
	    	initSearchScreen();
	    	//showAboutLinks();
	    	//showSelectedMenuValue();
	    }
	    
	    function showAboutLinks(){
	    	document.getElementById('logoleft').style.display = "block";
		    document.getElementById('logoright').style.display = "block";
	    }

    	// call this on page load - to make selected value of clicked menu item
    	function showSelectedMenuValue(){
    		
			var qsValue = getQuerystring('viewBean.roleType');

			if(qsValue==''){
				var url = ''+window.location;
				if(url.search('update/updatePage.jsf')>0){
					document.getElementById('menu_update').style.background = "url(../images/menu_update_a.jpg)  no-repeat top left";
					//document.getElementById('logoright').style.display = "none";
				}
				
				/*
				if(url.search('accountSetup.jsf')>0){
					document.getElementById('logoright').style.display = "none";
				}

				if( url.search('aboutPinpointerPage.jsf') >0 ||  url.search('aboutThisPagePage.jsf') >0 ){
					document.getElementById('logoleft').style.display = "none";
					document.getElementById('logoright').style.display = "none";
				}
				*/
				
				if(url.search('searchPage.jsf')>0){
					// need to update following style
					document.getElementById('menu_music').style.background = "url(images/menu_music_a.jpg)  no-repeat top left";					
				}
				
				if(document.getElementById('f:backToSearch')){
					document.getElementById('logoright').style.display = "none";
				}
			} // end without query param

			if(qsValue=='RECORDING_ARTIST'){
				document.getElementById('menu_music').style.background = "url(images/menu_music_a.jpg)  no-repeat top left";
			}
			
			if(qsValue=='VISUAL_ARTIST'){
				document.getElementById('menu_art').style.background = "url(images/menu_art_a.jpg) no-repeat top left";
			}

			if(qsValue=='CREATOR'){
				document.getElementById('menu_web').style.background = "url(images/menu_web_a.jpg) no-repeat top left";
			}
			
    	}