function openPopWin(theURL,w,h,usercontrol,winname) {
	var winl = (screen.width - w) / 2;
	var wint = (screen.height - h) / 2;
	winprops = 'height='+h+',width='+w+',top='+wint+',left='+winl+',resizable=no,scrollbars=yes,status=no,menubar=no,directories=no,toolbar=no'
	popwin = window.open(theURL, winname, winprops)
	if (parseInt(navigator.appVersion) >= 4) { popwin.window.focus(); }
}