function openPopup(theURL, popW, popH) {
	var winleft = (screen.width - popW) / 2;
	var winUp = (screen.height - popH) / 2;
	winProp = 'width='+popW+',height='+popH+',left='+winleft+',top='+winUp+',scrollbars=no,resizable=no';
	Win = window.open(theURL, "stjPopup", winProp)
	if (parseInt(navigator.appVersion) >= 4) { Win.window.focus(); }

}