var thePop = null;

function showPop(theSource, theName) {
	if( thePop == null || thePop.closed )
		thePop = window.open(theSource, theName, "height=520,width=480,menubar=no,toolbar=no,location=no,status=no,resizable=yes,scrollbars=yes");
	thePop.focus();
	return false;
}