function showTabs(tab) {
        //alert("Hello World: " + tab);
	//document.getElementById('currently-viewing').style.display="none";

	if (tab == 'saved') {
			document.getElementById('most-saved').style.display="block";
			document.getElementById('latest').style.display="none";
//			document.getElementById('most-emailed').style.display="none";
			document.getElementById('most-popular').style.display="none";
			document.getElementById('show-popular').className="inactive";
			document.getElementById('show-latest').className="inactive";
			document.getElementById('show-saved').className="active";
//			document.getElementById('show-emailed').className="inactive";
		
		}
		if (tab == 'emailed') {
			document.getElementById('most-emailed').style.display="block";
			document.getElementById('latest').style.display="none";
			document.getElementById('most-saved').style.display="none";
			document.getElementById('most-popular').style.display="none";
			document.getElementById('show-popular').className="inactive";
			document.getElementById('show-latest').className="inactive";
			document.getElementById('show-saved').className="inactive";
			document.getElementById('show-emailed').className="active";
		}
		if (tab == 'latest') {
			document.getElementById('latest').style.display="block";
//			document.getElementById('most-emailed').style.display="none";
			document.getElementById('most-saved').style.display="none";
			document.getElementById('most-popular').style.display="none";
			document.getElementById('show-popular').className="inactive";
			document.getElementById('show-latest').className="active";
			document.getElementById('show-saved').className="inactive";
//			document.getElementById('show-emailed').className="inactive";
		
		}
		if (tab == 'popular') {
			document.getElementById('most-popular').style.display="block";
			document.getElementById('latest').style.display="none";
			document.getElementById('most-saved').style.display="none";
//			document.getElementById('most-emailed').style.display="none";
			document.getElementById('show-popular').className="active";
			document.getElementById('show-latest').className="inactive";
			document.getElementById('show-saved').className="inactive";
//			document.getElementById('show-emailed').className="inactive";
		
		}
	
		return false;
}