function FUpreview(sublayer){
if (document.all && document.all.tags("div")[sublayer])
{
	document.all.tags("div")[sublayer].style.visibility = "visible";
}
else if(document.getElementById && document.getElementById(sublayer))
{
	document.getElementById(sublayer).style.visibility = "visible";
}
	

}

function FUclose(sublayer){
if (document.all && document.all.tags("div")[sublayer])
{
	document.all.tags("div")[sublayer].style.visibility = "hidden";
}
else if(document.getElementById && document.getElementById(sublayer))
{
	document.getElementById(sublayer).style.visibility = "hidden";
}
	

}