// Open External Links as Blank Targets via Unobtrusive JavaScript/
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.getAttribute("rel") == "external nofollow" || 
			anchor.getAttribute("rel") == "nofollow external" )
			)
		anchor.target = "_blank";
	}
}
window.onload = function() {
	externalLinks();
}


function SWdisplay(id){
if(this.document.getElementById(id).style.display=='none')
{this.document.getElementById(id).style.display='inline'
document.getElementById(id+"_options").src='http://www.serviweb.es/img/up.gif';
}else{
this.document.getElementById(id).style.display='none'
document.getElementById(id+"_options").src='http://www.serviweb.es/img/down.gif';}
}