js implements carriage return query

s实现搜索框响应回车键

			<div class="search search-config pull-right has-focus">
								<input type="text" placeholder="请输入用户名" name="txt_name"  onkeydown="entersearch()" value="${txt_name}" data-toggle="txt_name"  id="txt_name"/>
								 <a href="javascript:;" onclick="tofind()" >txt_name</a> 
								 <input type="hidden" name="type"/>
							</div> 



		/** 查询  **/
  		function tofind() { 
			var form1 = document.forms[0];
			form1.action = "/admin/familyuser/index";
			form1.submit();
		}  



 	 function entersearch(){
         //alert(dd);
        var event = window.event || arguments.callee.caller.arguments[0];
        if (event.keyCode == 13)
        {
            tofind();
        }
    }