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";
 }
} 

function loaded() {
  document.getElementById("preloader").style.display = "none";
  document.getElementById("content").style.display = "block";
  document.getElementById("mainTable").style.top = ((document.documentElement.clientHeight - 408) / 2) + "px";
  externalLinks();
}