$(document).ready(function(){
   	//Most Popular
	var tb1 = $("#tabChange1");
	var tb2 = $("#tabChange2");
	var tb3 = $("#tabChange3");	
	tb1.bind("click keydown keypress", function(){
	  changeMultimediaTab(1);
	  return false
	 });
	tb2.bind("click keydown keypress", function(){
		changeMultimediaTab(2);
		return false;		
	});	
	tb3.bind("click keydown keypress", function(){
		changeMultimediaTab(3);
		return false;		
	});		
});

function changeMultimediaTab(num) {
	$("#tab1, #tab2, #tab3, #tab4").attr("class", "");
	$("#tabContent1, #tabContent2, #tabContent3, #tabContent4").attr("class", "off");
	$("#tab"+num).attr("class", "on");
	$("#tabContent"+num).attr("class", "");
}