var Navigation=Class.create({initialize:function(a){this.categoryId=a.categoryId||null;this.section=a.section||null;this.sectionId=a.sectionId||null;this.sectionBlocks=$$(a.sectionBlocks)||null;this.categoryBlocks=$$(a.categoryBlocks)||null;this.init()},init:function(){this.sectionBlocks.invoke("hide");this.categoryBlocks.each(function(a){a.observe("click",this.toggle.bindAsEventListener(a))}.bind(this));if(this.categoryId&&this.section&&this.sectionId){$("cat-"+this.categoryId).adjacent("ul.catsection").invoke("show");$(this.section+"-"+this.sectionId+"-"+this.categoryId).setStyle({backgroundColor:"#990000"})}},toggle:function(a){a.stop();this.adjacent("ul.catsection").invoke("toggle");return false}});