// Gracias a Ale Muņoz
// http://www.sofanaranja.com/2006/01/05/efecto-hover-en-cualquier-cosa/

function replaceHover(){
	var hoverLis = document.getElementsByTagName("span");
	for(var i=0; i<hoverLis.length; i++){
		if(hoverLis[i].className.indexOf('hover') != -1){
			var classes = hoverLis[i].className;
			hoverLis[i].onmouseover = function(){
				this.className += ' hoverclass';
			}
			hoverLis[i].onmouseout = function(){
				this.className = classes;
			}
		}
	}
}

window.onload = function(){
	replaceHover();
	//arranque();
	externalLinks();
}

function arranque() {
	if (document.getElementById('masinfo1')) document.getElementById('masinfo1').style.display = 'none';
	if (document.getElementById('masinfo2')) document.getElementById('masinfo2').style.display = 'none';
	if (document.getElementById('masinfo3')) document.getElementById('masinfo3').style.display = 'none';
	if (document.getElementById('masinfo4')) document.getElementById('masinfo4').style.display = 'none';
}

function mostrar(div_id){
	//document.getElementById('pmasinfo').style.display = 'none';
	if (document.getElementById(div_id).style.display == 'none') {
		document.getElementById(div_id).style.display = 'block';		
	}
	else if (document.getElementById(div_id).style.display == 'block') {
		document.getElementById(div_id).style.display = 'none';
	}
}

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"; 
} 
}