expandCollapse=function(event){
	Event.stop(event);
	my_link=event.findElement('a.expand-collapse-trigger');
	if($(my_link.id+'_content')!=undefined){
		my_div=$(my_link.id+'_content')
		new Effect.toggle(my_div,'blind',{duration:0.5})
	}
}

document.observe("dom:loaded", function(){
	$$('a.expand-collapse-trigger').each(function(ect){
		Event.observe(ect, 'click', expandCollapse);
	})
});