function openWin(openurl,openw,openh)
{
	var winl = (screen.width - openw) / 2;
	var wint = ((screen.height - 50)- openh) / 2;
	winprops = 'height='+openh+',width='+openw+',top='+wint+',left='+winl+',scrollbars=yes,noresize'
	win = window.open(openurl, 'newWin', winprops)
	if (parseInt(navigator.appVersion) >= 4) { win.window.focus(); }
}