js 打开新窗口

/*
 * 打开新窗口
 * f:链接地址
 * n:窗口的名称
 * w:窗口的宽度
 * h:窗口的高度
 * s:窗口是否有滚动条，1：有滚动条；0：没有滚动条
 */
function openWin(f,n,w,h,s){
	sb = s == "1" ? "1" : "0";
	l = (screen.width - w)/2;
	t = (screen.height - h)/2;
	sFeatures = "left="+ l +",top="+ t +",height="+ h +",width="+ w
			+ ",center=1,scrollbars=" + sb + ",status=0,directories=0,channelmode=0";
	openwin = window.open(f , n , sFeatures );
	if (!openwin.opener)
		openwin.opener = self;
	openwin.focus();
	return openwin;
}