/* External links */


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 Toggle(item) {
   obj=document.getElementById(item);
   visible=(obj.style.display!="block")
   key=document.getElementById("x" + item);
   if (visible) {
     obj.style.display="block";
     key.innerHTML="[-]";
   } else {
      obj.style.display="none";
      key.innerHTML="[+]";
   }
}