loader0_btn.addEventListener(MouseEvent.CLICK, loadInPanel0);

 loader2_btn.addEventListener(MouseEvent.CLICK, loadInPanel2);

 function loadInPanel0(evt:MouseEvent):void {

     changePanelData(acPanel, 0, "New Title", "images/jmp01.jpg", 100);

 }

 function loadInPanel2(evt:MouseEvent):void {

     changePanelData(acPanel, 2, "New Image", "images/jmp03.jpg");

 }

 /*

 This function loads a new content in the specified panel and sets a new title and content size. 

 IMPORTANT:

 By using this function, it is possible that other attributes of the accordion panel component instance 

 (like size) will not get updated. This function can be used only for the specified actions. All other 

 attributes/properties of the component will probably remain in the state they had before applying this

 function.

 parameters:

 acpInstance - the reference to the AccordionPanelV3AS3 component, into which the new conten will load

 panelIndex:int - the 0 based index of the panel into which the new content will load

 newTitle:String - a new title for the panel header

 newContent:String - the url for the new content

 newContentSize:Number - the new size for tha panel. If there is a new size for the content, the panel

             will resize but the panel should be closed and then opened again to have the size of the

             accordion panel component updated

 */

 function changePanelData(acpInstance:AccordionPanelV3AS3, panelIndex:int, newTitle:String, newContent:String, newContentSize:Number = 0):void {

     if (acpInstance == null) return;

     if (isNaN(panelIndex)) return;

     if (panelIndex >= acpInstance.items.length) return;

     // set the new size for the panel

     if ((!isNaN(newContentSize)) && (newContentSize > 0)) {

         acpInstance.items[panelIndex].contentSize = newContentSize;

         acpInstance.items[panelIndex].setSize(newContentSize, "false");

     }

     // set the new title for the header

     if (newTitle != null) {

         acpInstance.items[panelIndex]._header.accText.text = newTitle;

         acpInstance.items[panelIndex]._header.changeTextFormat(acpInstance.items[panelIndex].styleObj.textFormat);

         acpInstance.items[panelIndex].title = newTitle;

     }

     // load the new content into the panel

     if (newContent != null) {

         acpInstance.items[panelIndex].load(newContent);

         //acpInstance.items[panelIndex].source = newContent;

     }

     acpInstance.invalidate();

 }