function NewCenteredWindow(mypage, myname, w, h, scrollbarchoice, menubarchoice, toolbarchoice, statuschoice, directorieschoice, locationchoice) 
		{
			var winl = (screen.width - w) / 2;
			var wint = (screen.height - h) / 2;
			winprops = 'height='+h+',width='+w+',top='+wint+',left='+winl+',scrollbars='+scrollbarchoice+',resizable=yes,menubar='+menubarchoice+',toolbar='+toolbarchoice+',status='+statuschoice+',directories='+ directorieschoice +',location='+locationchoice 
			win = window.open(mypage, myname, winprops)
			if (parseInt(navigator.appVersion) >= 4) { win.window.focus(); }
		}