function hoverTab(tabData){
		tabData.style.backgroundPosition = " 0% -50px";
		tabData.style.lineHeight = "24px";
	}
	
	function outTab(tabData){
		tabData.style.backgroundPosition = " 0% -25px";
	}
	
	function executeTab(tabData){
		tabData.className = "tabactive";
		tabData.style.backgroundPosition = " 0% -0px";
		tabData.onmouseover=function(){};
		tabData.onmouseout=function(){};
	}
	
	function showTabData(idForDisplay){ 
		var tabnewest = document.getElementById('tab-newest');
		var tabMostview = document.getElementById('tab-mostview');

		var liNewesttab = document.getElementById('liNewesttab');
		var liMostViewtab = document.getElementById('liMostViewtab');

		tabnewest.style.display = "none";
		tabMostview.style.display = "none";

		liNewesttab.className = "";
		liMostViewtab.className = "";

		liNewesttab.style.backgroundPosition = " 0% -25px";
		liMostViewtab.style.backgroundPosition = " 0% -25px";

		liNewesttab.onmouseover = function () { hoverTab(this); }
		liMostViewtab.onmouseover = function () { hoverTab(this); }

		liNewesttab.onmouseout = function () { outTab(this); }
		liMostViewtab.onmouseout = function () { outTab(this); }

		if (idForDisplay == "mostview") {
		    tabMostview.style.display = "block";
		    executeTab(liMostViewtab);
		}
        else if (idForDisplay == "newest") {
            tabnewest.style.display = "block";
            executeTab(liNewesttab);			
		}		
 	}