Custom Contextmenu seems to only work when video isn't loaded [Custom Spark Videoplayer]

Question

I'm making a custom spark videoplayer including a custom contextmenu: The problem is :if video fails to load or i just don't input any source, my Custom menu works perfectly.

But i rather show some video with my player but with a source/input my contextmenu just doesn't react or work!

making my contextmenu:

private function initContextMenu():void{
                var copyrightNotice:ContextMenuItem = new ContextMenuItem("sopyright notice",false,false);
                var mySiteLink:ContextMenuItem = new ContextMenuItem("website",true,true);
                var stretch:ContextMenuItem = new ContextMenuItem("Scalemode stuff",true,true);
                var fullscreenToggle:ContextMenuItem = new ContextMenuItem("Toggle Fullscreen",true,true);
                var customContextMenu:ContextMenu = new ContextMenu();
                const cm:ContextMenu = new ContextMenu();
                cm.hideBuiltInItems();              
                mySiteLink.addEventListener(ContextMenuEvent.MENU_ITEM_SELECT,gotowebsite);

                cm.customItems.push(copyrightNotice);
                cm.customItems.push(mySiteLink);
                cm.customItems.push(stretch);

                FlexGlobals.topLevelApplication.contextMenu = cm;

            }