//---连接图片不显示虚线
window.onload=function(){
for(var ii=0; ii<document .getElementsByTagName("a").length; ii++){
	var dl_a = document.getElementsByTagName("a")[ii];
	    //dl_a.href="javascript:alertlink();";
		dl_a.onfocus=function(){
		this.blur();
		}
	}
}