function submitLoginfo()
	        { 
	         var userid=document.getElementById('txtUserName');
	         var userPwdid=document.getElementById('txtPwd');
	         if(userid.value.length==0)
	          {
	            alert("用户名不能为空，请输入！");
	            userid.focus();
	            return false;
	          }
	          else if(userPwdid.value.length==0)
	          {
	              alert("密码不能为空，请输入！");
	            userPwdid.focus();
	            return false;
	          }
	           document.frmPersonLogin.action="/Page/Person/PersonLoginSubmit.aspx";
	           document.frmPersonLogin.submit();
	        }
	        function onSearchInfo()
	        {
	            var searchkeyID=document.getElementById('searchkey'); 
	           if(searchkeyID.value.length==0)
	          {
	            alert("请输入搜索关键字!");
	            searchkeyID.focus();
	            return false;
	          }
	          else if(searchkeyID.value=="请输入工作职位进行查找")
	          {
	            alert("请输入你要搜索工作职位!");
	            searchkeyID.focus();
	            return false;
	          }
	            document.frmPersonSearch.action="Page/Search/SearchJob.aspx";
	           document.frmPersonSearch.submit();
	        }
	         function tryClearDefaultText(obj,txt){
	          if(obj.value==txt){
		         obj.value = '';
		         obj.style.color = '#000000';
	            }
	            }
	            function isEnter(ev)
{
    var ev = ev || window.event;
    var keycode; 
    if(window.event) keycode = ev.keyCode;
    else keycode = ev.which;
    if(keycode == 10 || keycode == 13) return true;
    else return false;
}