代码：【复制】 
function openWin(url,width,height,scrollbars){
	var strWindow = "width=" + width + ",height=" + height;
	if (window.screen){ 
		var h = screen.availHeight - 30; 
		var w = screen.availWidth - 10; 
		var x = (w-width)/2; 
		var y = (h-height)/2; 
		strWindow += ",left=" + x + ",screenX=" + x; 
		strWindow += ",top=" + y + ",screenY=" + y; 
	}
	strWindow += ",status=no,location=no,toolbar=no,directories=no,menubar=no,scrollbars=" + scrollbars
	window.open(url,"",strWindow);
}