/**
 * @author gawry
 */


var letra = {
	size:12,
	
	aumentar:function() {
		if (this.size < 40) {
			this.size++;
			document.body.style.fontSize = this.size+'px';
		}
	},
	diminuir:function() {
		var evt = window.event;
		if ( this.size > 11) {
			this.size--;
			document.body.style.fontSize = this.size+'px';
		}
	}
}



function externalLinks() {
 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";
     anchor.innerHTML = anchor.innerHTML + "<span style='display:none'>external website, opens a new window</span>";
     anchor.style.background = "url(img/nw.gif) no-repeat right";
     anchor.style.padding ="0px 18px 0px 0px";
   }
   }
 }

window.onload = externalLinks;