function PopUp(popage, popname, wd, ht, scroll, resize) 
	{
	var winl = (screen.width - wd)/2 ;
	var wint = (screen.height - ht)/2 ;
	popdim = "left=" + winl + ",top=" + wint + ",width=" + wd + ",height=" + ht + ",scrollbars=" + scroll + ",resizable=" + resize
	win = window.open(popage, popname, popdim)
	}