function hideElement(obj){
	document.getElementById(obj).style.opacity="0";
	document.getElementById(obj).style.filter="alpha(opacity=0)";
	window.setTimeout("if(document.getElementById('"+obj+"').style.opacity!=1 && document.getElementById('"+obj+"').style.filter!='alpha(opacity=100)'){document.getElementById('"+obj+"').style.visibility='hidden';document.getElementById('"+obj+"').style.opacity='1';document.getElementById('"+obj+"').style.filter='alpha(opacity=100)';}",500);
}
function showElement(obj){
	document.getElementById(obj).style.opacity="1";
	document.getElementById(obj).style.filter="alpha(opacity=100)";
	document.getElementById(obj).style.visibility="visible";
}