function popup(theURL, Name, popW, popH, scroll)

{

	var winleft = (screen.width - popW) / 2;

	var winUp = (screen.height - popH) / 2;

	winProp = 'width='+popW+',height='+popH+',left='+winleft+',top='+winUp+',scrollbars='+scroll+',resizable'

	Win = window.open(theURL, Name, winProp)

	if (parseInt(navigator.appVersion) >= 4) 

	{ 

		Win.window.focus();

	}

}