var LinkOut = 
{
	init: function(){
		var link = Core.getElementsByClass("ExternalLink");
		
		for(var i = 0; i < link.length; i++){
			link[i].addEventListener("click", LinkOut.clickListener, false);
		}
	},
	
	clickListener: function(event){
			
		open(this.href);

		event.preventDefault();
		
		if(typeof event == "undefined"){
			event = window.event;
		}

		if(typeof event.preventDefault != "undefined"){
			event.preventDefault();
		}
		else{
			event.returnValue = false;
		}	
	}
};

Core.start(LinkOut);

var Tooltips =
{
	init: function(){
		var links = document.getElementsByTagName("a");
		
		for (var i = 0; i < links.length; i++){
			var title = links[i].getAttribute("Title");
			
			if(title && title.length > 0){
				Core.addEventListener(links[i], "mouseover", Tooltips.showTipListener);
				Core.addEventListener(links[i], "focus", Tooltips.showTipListener);
				Core.addEventListener(links[i], "mouseout", Tooltips.hideTipListener);
				Core.addEventListener(links[i], "blur", Tooltips.hideTipListener);
			}
		}
	},

	showTip: function(link){
		Tooltips.hideTip(link);
		var tip = document.createElement("span");
		tip.className = "tooltips";
		var tipText = document.createTextNode(link.title);
		tip.appendChild(tipText);
		link.appendChild(tip);
		
		link._tooltip = tip;
		link.title = "";
	},

	hideTip: function(link){
		if(link._tooltip){
			link.title = link._tooltip.childNodes[0].nodeValue;
			link.removeChild(link._tooltip);
			link._tooltip = null;
		}
	},
	
	showTipListener: function(event){
		Tooltips.showTip(this);
		Core.preventDefault(event);
	},
	
	hideTipListener: function(event){
		Tooltips.hideTip(this);
	}

};

Core.start(Tooltips);