function checkKeycode(e) {
               var keycode;
               if (window.event) // IE
                    keycode = e.keyCode;
               else if (e.which) // Netscape/Firefox/Opera
                    keycode = e.which;
               if (keycode==13) 
                  CallSearch();
           }
         
           //document.onkeydown = checkKeycode;
         
           function CallSearch()
           {
           
               var objsearchText = document.getElementById('txtSearchText');
               var searchText;
               if ((objsearchText!=null))
               {
                   searchText = objsearchText.value;
                   searchText = searchText.replace(/>/gi, " >");
                   searchText = searchText.replace(/</gi, "< ");
                   objsearchText.value = searchText;
               }
               //This cookie is used for the backbutton to work in search on postback
               //This cookie must be cleared to prevent old search results from displayed
               document.cookie='postbackcookie=';
               window.top.mainFrame.bottomFrame.document.location.href="SearchPage.aspx?searchtext=" + searchText.replace('alert','').replace('confirm','') + "&folderid=0&searchfor=all&orderby=id&orderdirection=ascending";
               //Load the page with the websearch server control in the bottom frame using Javascript
               //Set websearch properties using querystring parameters
               //Properties set here- search text,Orderby, FolderId, and SearchFor
               //SearchFor can be a value from all/html/documents/images/multimedia/discussionForum
               //Orderby can be one of these - editor,id,rank,title,datecreated,datemodified
               //OrderDirection can be ascending or descending
           }