function captureEnterKey(evt) {
          var e = (window.event) ? window.event : evt;
          if(e.keyCode == 13) {
            e.returnValue=false;
            e.cancel = true;
            (document.getElementById("btnSearch")).click();
          }
        }
        
        function captureEnterKeySearchSelectorTop(evt) {
          var e = (window.event) ? window.event : evt;
          if(e.keyCode == 13) {
            e.returnValue=false;
            e.cancel = true;
            (document.getElementById("SearchSelectorTop1_btnSearch")).click();
          }
        }

        function noenter(evt) {
          var e = (window.event) ? window.event : evt;
          return !(e.keyCode == 13); 
        }