function launchwin(winUrl, winName, w, h)
{
	var winl = (screen.width-w)/2;
	var wint = (screen.height-h)/2;
	settings='height='+h+',width='+w+',top='+wint+',left='+winl+',scrollbars=no,toolbar=no,location=no,status=no,menubar=no,resizable=no,dependent=no';
	window.open (winUrl, winName, settings)
}