function openWindow(url) {
  popupWin = window.open(url,'new_page','width=400,height=400')
}
function openWindow5(url) {
  popupWin = window.open(url,'new_page','width=450,height=525,scrollbars=yes,toolbars=yes,menubar=yes,resizable=yes')
}
function Start(page) {
OpenWin = this.open(page, "CtrlWindow", "width=800,height=600,toolbar=no,menubar=no,location=no,scrollbars=yes,resizable=yes");
}
function openWindow6(url) {
  popupWin = window.open(url,'new_page','width=500,height=353,left=290,top= 160')
}
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;