function disableDiv( divname ){
	document.getElementById(divname).style.display='none';
	document.getElementById(divname).style.visibility = "hidden";
	
	//document.getElementById(divname).style.filter="Alpha(opacity=50, finishopacity=50, style=0)";
	//document.getElementById(divname).style.MozOpacity="0.5";
}

function enableDiv( divname ){
	document.getElementById(divname).style.display='block';
	document.getElementById(divname).style.visibility = "visible";
	//document.getElementById(divname).style.filter="Alpha(opacity=100, finishopacity=50, style=0)";
	//document.getElementById(divname).style.MozOpacity="1";
}