function jumpmenu(targ,selObj)
      { 
          window.open(selObj.options[selObj.selectedIndex].value);
          selObj.selectedIndex=0;
      }
      
		function trim_(value_){
			var re=/\s+/gi;
			return value_.replace(re,"");
		}
		function CheckLogin()
		{
			if(trim_(document.getElementById("serach").value)=='')
			{
				alert("请输入关键字！");
				return;
			}
			else
			{
			    window.open("/SiteSearch.aspx?title=" + escape(document.getElementById("serach").value));
			    document.getElementById("serach").value='';
			}
		}
		function Enter()
		{
			if(event.keyCode == 13)
				{
					CheckLogin();
					
				}
		}