function showmenu(elmnt)
{
    document.getElementById(elmnt).style.visibility="visible"
}
function hidemenu(elmnt)
{
    document.getElementById(elmnt).style.visibility="hidden"
}
function popUpLink(url)
{
	msgWindow=window.open(url,'link','directories=no,height=400,left=1,location=no,menubar=0,resizabl e=yes,scrollbars=yes,status=yes,toolbar=no,top=1,width=400');
}