function TextHide()
        {
           var tbSearch= document.getElementById("tbSearch");
           if(tbSearch.value=="SEARCH")
           {
            tbSearch.value="";
           }
        }
        function valid()
        {
            var tbSearch= document.getElementById("tbSearch");
           if(tbSearch.value=="" || tbSearch.value=="Search")
           {
            alert('Please enter what you want.');
            tbSearch.focus(); 
            return false;
           }
        }