function add_toggle (elem) {
	var target = elem.id+'_cont';
	Effect.BlindUp(target,{duration:1.0});
	var func = function(){
		Effect.toggle(target,'blind',{duration:0.3});
	};
	Event.observe(elem,'click',func);
}
function init(){
	var faq = $('faq_list');
	var list = faq.getElementsByTagName('dt');
	for(var i=0; i<list.length;i++){
		add_toggle(list[i]);
	}
}
Event.observe(window,'load',init);