function show_content(tabid) {
	var tc = document.getElementById('contenttab'); 
	var tc1 = document.getElementById('tabcontent1'); 
	var tc2 = document.getElementById('tabcontent2'); 
	var tc3 = document.getElementById('tabcontent3'); 
	if(tabid==1) {
	tc.innerHTML=tc1.innerHTML;
/*	document["popular"].src="popular_f2.jpg";
	document["news"].src="news.jpg";
	document["events"].src="events.jpg";
*/	}
	if(tabid==2) {
	tc.innerHTML=tc2.innerHTML;
/*	document['popular'].src='popular.jpg';
	document['news'].src='news_f3.jpg';
	document['events'].src='events.jpg';
*/	}
	if(tabid==3) {
	tc.innerHTML=tc3.innerHTML;
/*	document['popular'].src='popular.jpg';
	document['news'].src='news.jpg';
	document['events'].src='events_f4.jpg';
*/	}
	return false;
}