让Struts2的Result打开一个窗口的JavaScript

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//在屏幕中间打开一个窗口
	function openwindow(url,name,iWidth,iHeight)
 	{
  		var url;                                 //转向网页的地址;
  		var name;                           //网页名称，可为空;
  		var iWidth;                          //弹出窗口的宽度;
  		var iHeight;                        //弹出窗口的高度;
  		var iTop = (window.screen.availHeight-30-iHeight)/2;       //获得窗口的垂直位置;
  		var iLeft = (window.screen.availWidth-10-iWidth)/2;           //获得窗口的水平位置;
  		window.open(url,name,'height='+iHeight+',,innerHeight='+iHeight+',width='+iWidth+',innerWidth='+iWidth+',top='+iTop+',left='+iLeft+',toolbar=no,menubar=no,scrollbars=auto,resizeable=no,location=no,status=no');
	 }
	 
	 function openwindows(url,name,iWidth,iHeight) {
		var url;
		//转向网页的地址;
		var name;
		//网页名称，可为空;
		var iWidth;
		//弹出窗口的宽度;
		var iHeight;
		//弹出窗口的高度;
		var iTop = (window.screen.availHeight-30-iHeight)/2;
		//获得窗口的垂直位置;
		var iLeft = (window.screen.availWidth-10-iWidth)/2;
		//获得窗口的水平位置;
		window.open(url,name,'height='+iHeight+',,innerHeight='+iHeight+',width='+iWidth+',innerWidth='+iWidth+',top='+iTop+',left='+iLeft+',resizable=yes');
	}