/*funciones utiles*/
Function.prototype.bindAsEventListener=function(object){var __method=this,args=$A(arguments),object=args.shift();return function(event){return __method.apply(object,[(event||window.event)].concat(args).concat($A(arguments)));}}
var $A=Array.from=function(iterable){if(!iterable)return [];if(iterable.toArray){return iterable.toArray();}else{var results=[];for(var i=0,length=iterable.length;i<length;i++)results.push(iterable[i]);return results;}}
function stopevent(event){ if(event.preventDefault){event.preventDefault();event.stopPropagation();}else{event.returnValue=false;event.cancelBubble=true;}}
function	_addlistener(obj,evt,func){try{if(obj.attachEvent){obj.attachEvent('on'+evt,func);}else{if(obj.addEventListener){obj.addEventListener(evt,func,false);}else{if(obj.eval){obj["on"+evt]=func;}else{}}}}catch(e){alert("js:"+e.message);}}

var target_blank = {

	init:function()
	{	try
		{	_addlistener(window,"load",this.onload.bindAsEventListener(this));
		} catch(e){alert("js target_blank "+e.message);}
	},

   onload:function()
	{  try
		{	if (!document.getElementsByTagName) return;
			var anchors = document.getElementsByTagName("a");
			for (var i=0; i<anchors.length; i++)
			{	var anchor = anchors[i];
				if (anchor.getAttribute("href") && anchor.getAttribute("rel") == "external")
					anchor.target = "_blank";
			}
		} catch(e){alert("js target_blank:onload "+e.message);}
	}
}
target_blank.init();