function makeRequest()
     {
     // document.getElementById('content').style.visibility='hidden';
      if(document.getElementById("q").value.length<1)
       return;
      var query=document.getElementById("q").value;
      JsHttpRequest.query('/js/qr.php', { 'q': query },
            function(result, errors)
             {
              //  debug div.
              // document.getElementById("debug").innerHTML = errors;
              //  answer.
              if (result)
               {
                document.getElementById('content').innerHTML = result["q"];
                document.getElementById('content').style.border='solid 1px #000000';
                document.getElementById('content').style.background="white";
                document.getElementById('content').style.width='435px';
                if (window.ActiveXObject)
                  document.getElementById('content').style.position='relative';
                else
                  document.getElementById('content').style.position='absolute';
                document.getElementById('content').style.visibility='visible';
               }
              else
               document.getElementById('content').style.visibility='hidden';
             },
            true // do not disable caching
        );
     }

 function GetContent(cat,sub)
     {
      JsHttpRequest.query('/content.php',
            { 'cat': cat, 'sub': sub },
            function(result, errors)
             {
              //  debug div.
              // document.getElementById("debug").innerHTML = errors;
              //  answer.
              if (result)
               {
                document.getElementById('center').innerHTML = result["center"];
               }
             },
            false  // do not disable caching
        );
     }


 function ROver(obj)
  {
   obj.style.backgroundColor='#E1E1E1';
  }

 function ROut(obj)
  {
   obj.style.backgroundColor='white';
  }

 function RClick(str)
  {
   window.document.getElementById('content').visibility='hidden';
   document.getElementById('q').value=str.replace(/(<{1}.+?>{1}){1}/gi,'');
   document.forms.search.submit();
  }