window.onload = function()
{
	
}
function show(id){
	var obj = document.getElementsByTagName("OBJECT");
	for(var i = 0; i<obj.length;i++){
		if(obj[i].getAttribute("class") == "play"){
			if(obj[i].getAttribute("id") == id){
				obj[i].style.display = "block";
			}else{
				obj[i].style.display = "none";
			}
		}
	}
}