Event.observe(window,'load',function(){$$('div.collapsable').each(function(container){var header=container.childElements()[0];var list=container.childElements()[1];var imgClosed=header.childElements()[0];var imgOpen=header.childElements()[1];var bListIsVisible=false;header.observe('click',function(){if(bListIsVisible){list.hide();imgClosed.show();imgOpen.hide();}else{list.show();imgClosed.hide();imgOpen.show();}
bListIsVisible=!bListIsVisible;});});});