/***    Pop Window Mgr    ***/
function popUp(URL, winwidth, winheight) {
	day = new Date();
	id = day.getTime();
	if (winwidth==0) {winwidth=500 ; }
	if (winheight==0) {winheight=400 ; }
	window.open(URL, id,
		"toolbar=no,scrollbars=yes,location=0,status=no,resizable=yes,width=" 
		+ winwidth + ",height=" + winheight + ",menubar=no");
}