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";

 } 
}
window.onload = externalLinks;

function show_popup() {
	okno = window.open('detail.html',"","scrollbars=no,toolbar=no,directories=no,menubar=no,status=no,width=400,height=300,resizable=no");
	okno.focus();
}