function addLoadEvent(func)

{

  var oldonload = window.onload;

  if (typeof window.onload != 'function')

  {

    window.onload = func;

  } else {

    window.onload = function()

    {

      oldonload();

      func();

    }

  }

}

addLoadEvent(fNewPDFWindows); 


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);

          return false;

        }

    }

  }

}