View difference between Paste ID: GQFYX2bq and HYWFP9LG

 Ext.Array.each(this.elements, function(element) {
                 element.ajaxConfig = <element.currentAjaxConfig + defaultAjaxConfig>;
                 //add to a "pendingElements" array
         });
 
 start: function() {
         Ext.Array.each(pendingElements, function(element) {
                 LoadManager.addTask(element);
                 // You can put the "default config" here, as well...
                 // Just patch element.ajaxConfig
                 // You can EVEN save the old callback, if you thing there is one/it can do any good!
                 var previousCallback = element.ajaxConfig.callback;
                 element.ajaxConfig.callback = function() {
                                 // make this element remove himself
                                 LoadManager.removeTask(element);
                                 previousCallback();
                         }
                 Ext.Ajax.request(element.ajaxConfig);
         });
 }
 
 constructor: function() {
         Ext.Array.each(this.elements, function(element) {
                 element.defaultAjaxConfig = {
                         callback: function() {
                                 // make this element remove himself
                                 LoadManager.removeTask(element);
                         }
                 }
         });
 },