function newWindow(url,theWidth,theHeight) {
		var theTop=(screen.height/2)-(theHeight/2);
		var theLeft=(screen.width/2)-(theWidth/2);
		var features='height='+theHeight+',width='+theWidth+',top='+theTop+',left='+theLeft+",scrollbar=yes";
		theWin=window.open(url,'',features);
	}