去除链接，button，image button的点击时虚线框

function onloadFun(){
	  if(window.$){
	    $(document).ready(function(){
	      /*去除链接，button，image button的点击时虚线框*/
	      $("a,input[type='button'],input[type='image'],input[type='submit'],area,img").bind("focus",function(){
	        if(this.blur){
	          this.blur();
	        }
	      })
	    })
	  } else {
	    setTimeout("onloadFun()",1000);
	  }
	}
	onloadFun();