function add_toggle(elem){
   	var target=elem.id+'_cont';
   	Effect.BlindUp(target,{duration:0.5});
   	var func=function(){
   		Effect.toggle(target,'blind',{duration:0.5});
   	};
   	Event.observe(elem,'click',func);
   }
   function init(){
   	var news=$('news_list');
   	var list=news.getElementsByTagName('h3');
   	for(var i=0;i<list.length;i++){
   		add_toggle(list[i]);
   	}
   }
   Event.observe(window,'load',init);