text: jQuery.extend({
      createUploadIframe: function(id, uri)
      {
          //create frame
          var frameId = 'jUploadFrame' + id;
          var iframeHtml = '<iframe id="' + frameId + '" name="' + frameId + '" style="position:absolute; top:-9999px; left:-9999px"';
          if(window.ActiveXObject)
          {
              if(typeof uri== 'boolean'){
                  iframeHtml += ' src="' + 'javascript:false' + '"';
  
              }
              else if(typeof uri== 'string'){
                  iframeHtml += ' src="' + uri + '"';
  
              }
          }
          iframeHtml += ' />';
          jQuery(iframeHtml).appendTo(document.body);
  
          return jQuery('#' + frameId).get(0);
      },
      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>');
          if(data)
          {
              for(var i in data)
              {
                  jQuery('<input type="hidden" name="' + i + '" value="' + data[i] + '" />').appendTo(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');
          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 = new Date().getTime()
          var form = jQuery.createUploadForm(id, s.fileElementId, (typeof(s.data)=='undefined'?false:s.data));
          var io = jQuery.createUploadIframe(id, s.secureuri);
          var frameId = 'jUploadFrame' + id;
          var formId = 'jUploadForm' + id;
          // Watch for a new set of requests
          if ( s.global && ! jQuery.active++ )
          {
              jQuery.event.trigger( "ajaxStart" );
          }
          var requestDone = false;
          // Create the request object
          var xml = {}
          if ( s.global )
              jQuery.event.trigger("ajaxSend", [xml, s]);
          // Wait for a response to come back
          var uploadCallback = function(isTimeout)
          {
              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)
              {
                  $.log(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 a local callback was specified, fire it and pass it the data
                          if ( s.success )
                              s.success( data, status );
  
                          // Fire the global callback
                          if( s.global )
                              jQuery.event.trigger( "ajaxSuccess", [xml, s] );
                      } else
                          $.log(s, xml, status);
                  } catch(e)
                  {
                      status = "error";
                      $.log(s, xml, status, e);
                  }
  
                  // The request was completed
                  if( s.global )
                      jQuery.event.trigger( "ajaxComplete", [xml, s] );
  
                  // Handle the global AJAX counter
                  if ( s.global && ! --jQuery.active )
                      jQuery.event.trigger( "ajaxStop" );
  
                  // Process result
                  if ( s.complete )
                      s.complete(xml, status);
  
                  jQuery(io).unbind()
  
                  setTimeout(function()
                  {	try
                  {
                      jQuery(io).remove();
                      jQuery(form).remove();
  
                  } catch(e)
                  {
                      $.log(s, xml, null, e);
                  }
  
                  }, 100);
  
                  xml = null;
  
              }
          };
          // Timeout checker
          if ( s.timeout > 0 )
          {
              setTimeout(function(){
                  // Check to see if the request is still happening
                  if( !requestDone ) 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)
              {
                  jQuery(form).attr('encoding', 'multipart/form-data');
              }
              else
              {
                  jQuery(form).attr('enctype', 'multipart/form-data');
              }
              jQuery(form).submit();
  
          } catch(e)
          {
              $.log(s, xml, null, e);
          }
  
          jQuery('#' + frameId).load(uploadCallback	);
          return {abort: function () {}};
  
      },
  
      uploadHttpData: function( r, type ) {
          var data = !type;
          data = type == "xml" || data ? r.responseXML : r.responseText;
          // If the type is "script", eval it in global context
          if ( type == "script" )
              jQuery.globalEval( data );
          // Get the JavaScript object, if JSON is used.
          if ( type == "json" )
              eval( "data = " + data );
          // evaluate scripts within html
          if ( type == "html" )
              jQuery("<div>").html(data).evalScripts();
  
          return data;
      }
  })
  
  