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("rev") == "external") 
     anchor.target = "_blank"; 
 } 
} 
window.onload = externalLinks;

function selec_menu(id_sele) { 
	document.getElementById(id_sele).setAttribute('style', 'border-bottom:1px #ff7413  dotted;padding:6px 26px;');

}