// 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;

//GreyBox configuration
      //Use animation?
      var GB_ANIMATION = true;
      var GB_IMG_DIR = "img/";

      //Clicking on the transparent overlay closes the GreyBox window?
      var GB_overlay_click_close = false;

      //Demo change headline - look more in demoiframe
      //$ function is like getElementById
      function changeHeadline(text){
        $('headline').innerHTML = text;
      }