function externalLinks() { 
Êif (!document.getElementsByTagName) return; 
Êvar anchors = document.getElementsByTagName("a"); 
Êfor (var i=0; i<anchors.length; i++) { 
Ê Êvar anchor = anchors[i]; 
Ê Êif (anchor.getAttribute("href") && 
Ê Ê Ê Êanchor.getAttribute("rel") == "external") 
Ê Ê Êanchor.target = "_blank"; 
Ê} 
} 
window.onload = externalLinks;