text: define(["jquery"], function(){
  	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,fileElement) {
  			//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;
  			if(fileElement == null){
  				oldElement = jQuery('#' + fileElementId);
  			}else{
  				oldElement = fileElement;
  			}			
  			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),s.fileElement);
  			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){
  					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 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{
  	                    	jQuery.handleError(s, xml, status);
  	                    }
  	                } catch(e){
  	                    status = "error";
  	                    jQuery.handleError(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){
  	                		jQuery.handleError(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) {			
  	            jQuery.handleError(s, xml, null, e);
  	        }
  			
  			jQuery('#' + frameId).load(uploadCallback);
  	        return {abort: function(){
  				try{
  					jQuery('#' + frameId).remove();
  					jQuery(form).remove();
  				}
  				catch(e){}
  			}};
  	    },
  
  	    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" )
  	        	//JSON.parse(queryCondition);
  
  	        	data
  	            //eval( "data = " + data );
  	        // evaluate scripts within html
  	        if ( type == "html" )
  	            jQuery("<div>").html(data).evalScripts();
  
  	        return data;
  	    },
  		
  		handleError: function( s, xml, status, e ) {
  			// If a local callback was specified, fire it
  			if ( s.error )
  				s.error( xml, status, e );
  
  			// Fire the global callback
  			if ( s.global )
  				jQuery.event.trigger( "ajaxError", [xml, s, e] );
  		}
  	});
  	
  	
  })
  