text: // JavaScript Document
  jQuery.extend({
  
      createUploadIframe: function(id, uri)
   {
     //create frame
              var frameId = 'jUploadFrame' + id;
              
              if(window.ActiveXObject) {
                  
                  if(jQuery.support.leadingWhitespace){
                      var io = document.createElement('iframe');
                      io.id = frameId;
                      io.name = frameId;
                  }else if(!jQuery.support.leadingWhitespace){
                      var io = document.createElement('<iframe id="' + frameId + '" name="' + frameId + '" />');
                      if(typeof uri== 'boolean'){
                          io.src = 'javascript:false';
                      }
                      else if(typeof uri== 'string'){
                          io.src = uri;
                      }
                  }
              }
              else {
                  var io = document.createElement('iframe');
                  io.id = frameId;
                  io.name = frameId;
              }
              io.style.position = 'absolute';
              io.style.top = '-1000px';
              io.style.left = '-1000px';
  
              document.body.appendChild(io);
  
              return io;   
      },
      createUploadForm: function(id, fileElementId, data)
   {
    //create form 
    var formId = 'jUploadForm' + id;
    var fileId = 'jUploadFile' + id;
    var form = jQuery('<form  action="" method="POST" name="' + formId + '" id="' + formId + '" enctype="multipart/form-data"></form>');
    var oldElement = jQuery('#' + fileElementId);
    var newElement = jQuery(oldElement).clone();
    jQuery(oldElement).attr('id', fileId);
    jQuery(oldElement).before(newElement);
    jQuery(oldElement).appendTo(form);
    //set attributes
    jQuery(form).css('position', 'absolute');
    jQuery(form).css('top', '-1200px');
    jQuery(form).css('left', '-1200px');
    jQuery(form).appendTo('body');
  
       if(data){
           for(var i in data){
               $('<input type="hidden" name="'+i+'" value="'+data[i]+'"/>').appendTo(form);
           }
       }
    return form;
      },
  
      ajaxFileUpload: function(s) {
          // TODO introduce global settings, allowing the client to modify them for all requests, not only timeout  
          s = jQuery.extend({}, jQuery.ajaxSettings, s);
          var id = s.fileElementId;        
    var form = jQuery.createUploadForm(id, s.fileElementId, s.data);
    var io = jQuery.createUploadIframe(id, s.secureuri);
    var frameId = 'jUploadFrame' + id;
    var formId = 'jUploadForm' + id;  
          
          if( s.global && ! jQuery.active++ )
    {
     // Watch for a new set of requests
     jQuery.event.trigger( "ajaxStart" );
    }            
          var requestDone = false;
          // Create the request object
          var xml = {};   
          if( s.global )
          {
           jQuery.event.trigger("ajaxSend", [xml, s]);
          }            
          
          var uploadCallback = function(isTimeout)
    {  
     // Wait for a response to come back 
     var io = document.getElementById(frameId);
              try 
     {    
      if(io.contentWindow)
      {
        xml.responseText = io.contentWindow.document.body?io.contentWindow.document.body.innerHTML:null;
                    xml.responseXML = io.contentWindow.document.XMLDocument?io.contentWindow.document.XMLDocument:io.contentWindow.document;
        
      }else if(io.contentDocument)
      {
        xml.responseText = io.contentDocument.document.body?io.contentDocument.document.body.innerHTML:null;
                   xml.responseXML = io.contentDocument.document.XMLDocument?io.contentDocument.document.XMLDocument:io.contentDocument.document;
      }      
              }catch(e)
     {
      jQuery.handleError(s, xml, null, e);
     }
              if( xml || isTimeout == "timeout") 
     {    
                  requestDone = true;
                  var status;
                  try {
                      status = isTimeout != "timeout" ? "success" : "error";
                      // Make sure that the request was successful or notmodified
                      if( status != "error" )
       {
                          // process the data (runs the xml through httpData regardless of callback)
                          var data = jQuery.uploadHttpData( xml, s.dataType );                        
                          if( s.success )
                          {
         // ifa local callback was specified, fire it and pass it the data
                           s.success( data, status );
                          };                 
                          if( s.global )
                          {
         // Fire the global callback
                           jQuery.event.trigger( "ajaxSuccess", [xml, s] );
                          };                            
                      } else
                      {
                       jQuery.handleError(s, xml, status);
                      }
                          
                  } catch(e) 
      {
                      status = "error";
                      jQuery.handleError(s, xml, status, e);
                  };                
                  if( s.global )
                  {
       // The request was completed
                   jQuery.event.trigger( "ajaxComplete", [xml, s] );
                  };
                      
  
                  // Handle the global AJAX counter
                  if(s.global && ! --jQuery.active)
                  {
                   jQuery.event.trigger("ajaxStop");
                  };
                  if(s.complete)
                  {
                    s.complete(xml, status);
                  } ;                 
  
                  jQuery(io).unbind();
  
                  setTimeout(function()
           { try 
            {
             jQuery(io).remove();
             jQuery(form).remove(); 
             
            } catch(e) 
            {
             jQuery.handleError(s, xml, null, e);
            }         
  
           }, 100);
  
                  xml = null;
  
              };
          }
          // Timeout checker
          if( s.timeout > 0 ) 
    {
              setTimeout(function(){
                  
                  if( !requestDone )
                  {
       // Check to see ifthe request is still happening
                   uploadCallback( "timeout" );
                  }
                  
              }, s.timeout);
          }
          try 
    {
     var form = jQuery('#' + formId);
     jQuery(form).attr('action', s.url);
     jQuery(form).attr('method', 'POST');
     jQuery(form).attr('target', frameId);
              if(form.encoding)
     {
                  form.encoding = 'multipart/form-data';    
              }
              else
     {    
                  form.enctype = 'multipart/form-data';
              }   
              jQuery(form).submit();
  
          } catch(e) 
    {   
              jQuery.handleError(s, xml, null, e);
          }
          if(window.attachEvent){
              document.getElementById(frameId).attachEvent('onload', uploadCallback);
          }
          else{
              document.getElementById(frameId).addEventListener('load', uploadCallback, false);
          }   
          return {abort: function () {}}; 
  
      },
  
      uploadHttpData: function( r, type ) {
          var data = !type;
          data = type == "xml" || data ? r.responseXML : r.responseText;
          // ifthe type is "script", eval it in global context
          if( type == "script" )
          {
           jQuery.globalEval( data );
          }
              
          // Get the JavaScript object, ifJSON is used.
          if( type == "json" )
          {
              data = r.responseText;
              var start = data.indexOf(">");
              if(start != -1) {
                var end = data.indexOf("<", start + 1);
                if(end != -1) {
                  data = data.substring(start + 1, end);
                 }
              }
           eval( "data = " + data );
          }
              
          // evaluate scripts within html
          if( type == "html" )
          {
           jQuery("<div>").html(data).evalScripts();
          }
              
          return data;
      },
      handleError: function( s, xhr, status, e )      {
          // If a local callback was specified, fire it
              if ( s.error ) {
                  s.error.call( s.context || s, xhr, status, e );
              }
      
              // Fire the global callback
              if ( s.global ) {
                  (s.context ? jQuery(s.context) : jQuery.event).trigger( "ajaxError", [xhr, s, e] );
              }
          },
  });