var j$ = jQuery; 
j$(function(){ 
j$(".word_box").each(function(){ 
j$("li > a", this).each(function(index){ 
	var $this = j$(this); 
	if(index > -1) $this.next().hide(); 
	$this.click(function(){ 
	var params = {height:"toggle", opacity:"toggle"}; 
	j$(this).next().animate(params).parent().siblings() 
	.children("ul:visible").animate(params);
	return false; 
	}); 
  }); 
 }); 
});