function NewWindow(mypage, myname, w, h, scroll) {
		var winl = (screen.width - w) / 2;
		var wint = (screen.height - h) / 2;
		winprops = 'height='+h+',width='+w+',top='+wint+',left='+winl+',scrollbars='+scroll+',resizable'
		win = window.open(mypage, myname, winprops)
		
		if (parseInt(navigator.appVersion) >=4) { win.window.focus(); }
	}