function avisoLegal(){
	var links = document.getElementsByTagName('a');
	for (var i=0; i<links.length; i++){
		if (links[i].getAttribute('rel') == 'legal'){
			links[i].onclick = function(){
				window.open("aviso_legal.htm","Aviso_Legal","width=500, height=350, scrollbars=yes, menubar=no, location=no, resizable=no");
				return false;
			};
		}
	}
}

window.onload = avisoLegal;