function fNewPDFWindows ()
{
  if (!document.getElementsByTagName) return false;
  var links = document.getElementsByTagName("a");
  for (var eleLink=0; eleLink < links.length; eleLink ++) {
    if (links[eleLink].href.indexOf('.pdf') !== -1) {
      links[eleLink].onclick =
        function() {
          window.open(this.href,'resizable,scrollbars');
          return false;
        }
        links[eleLink].rel = "nofollow";
        links[eleLink].target = "_blank";
    }
  }
} 

function addLoadEvent(func)
{
  var oldonload = window.onload;
  if (typeof window.onload != 'function')
  {
    window.onload = func;
  } else {
    window.onload = function()
    {
      oldonload();
      func();
    }
  }
}
addLoadEvent(fNewPDFWindows);