function show(div){
document.all[div].style.visibility="visible";
}




function hide(div){
	document.all[div].style.visibility="hidden";
	document.layers[div].visibility="hidden";
	document.getElementById(div).style.visibility="hidden";
}




function hide() { 
if(document.getElementById) 
document.getElementById("popup").style.visibility = "hidden"; 
}