function popup(theURL, Name, popW, popH, scroll) { // V 1.0
	var winleft = (screen.width - popW) / 2;
	var winUp = (screen.height - popH) / 2;
	winProp = 'width=' + popW + ',height=' + popH + ',left=' + winleft + ',top=' + winUp + ',scrollbars=' + scroll + ',resizable=no'
	Win = window.open(theURL, Name, winProp)
	if (parseInt(navigator.appVersion) >= 4) { Win.window.focus(); }
}