if(at==undefined)var at={};if(at.bartelme==undefined)at.bartelme={};at.bartelme.newsticker=Class.create();at.bartelme.newsticker.prototype={initialize:function()
{this.interval=10000;this.container=$("newsticker");this.messages=$A(this.container.getElementsByTagName("li"));this.number_of_messages=this.messages.length;if(this.number_of_messages==0)
{this.showError();return false;}
this.current_message=0;this.previous_message=null;this.hideMessages();this.showMessage();this.timer=setInterval(this.showMessage.bind(this),this.interval);},showMessage:function()
{Effect.Appear(this.messages[this.current_message]);setTimeout(this.fadeMessage.bind(this),this.interval-2000);if(this.current_message<this.number_of_messages-1)
{this.previous_message=this.current_message;this.current_message=this.current_message+1;}else{this.current_message=0;this.previous_message=this.number_of_messages-1;}},fadeMessage:function()
{Effect.Fade(this.messages[this.previous_message]);},hideMessages:function()
{this.messages.each(function(message)
{Element.hide(message);})},toggle:function()
{Effect.BlindUp(this.container,1000);},showError:function()
{if(this.container.getElementsByTagName("ul").length==0)
{this.list=document.createElement("ul");this.container.appendChild(this.list);}else{this.list=this.container.getElementsByTagName("ul")[0];}
this.errorMessage=document.createElement("li");this.errorMessage.className="error";this.errorMessage.innerHTML="Could not retrieve data";this.list.appendChild(this.errorMessage);}}
Event.observe(window,"load",function(){new at.bartelme.newsticker()},false);