function openWindow(url,w,h,tb,stb,l,mb,sb,rs,x,y){
var t=(document.layers)? ',screenX='+x+',screenY='+y: ',left='+x+',top='+y; 
tb=(tb)?'yes':'no'; stb=(stb)?'yes':'no'; l=(l)?'yes':'no'; mb=(mb)?'yes':'no'; sb=(sb)?'yes':'no'; rs=(rs)?'yes':'no';
var x=window.open(url, 'newWin'+new Date().getTime(), 'scrollbars='+sb+',width='+w+',height='+h+',toolbar='+tb+',status='+stb+',menubar='+mb+',links='+l+',resizable='+rs+t);
x.focus();
}

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;