y is it not workin

could u plz help me in solving this problem.y the following is not
working

<script language="javascript">
    function btnClear()
        {
        document.Loc_Emp.T1.value="";
        document.Loc_Emp.T2.value="";
        document.Loc_Emp.T3.Value="";
        }
     function btnSearch()
        {

        if(document.Loc_Emp.T1.value==" " &&
document.Loc_Emp.T2.value==" " && document.Loc_Emp.T3.value==" ")
          {
          alert("Please enter any one value");
          }
        else
        {
           document.Loc_Emp.submit();}
        }
        
  </script>
Received on Mon May 1 03:40:50 2006