function zoom(value) {
	var popup = document.getElementById("zoom"); 
 	popup.innerHTML = "<div style=\"position:absolute;top:0px;left:0px;\"><a href=\"#\" Onclick=\"closezoom()\"><img src=\""+value+"\" alt=\"\" /></a></div>";
}

function closezoom() {
	var popup = document.getElementById("zoom"); 
 	popup.innerHTML = " ";
}