function include(script_filename) {
  document.write('<' + 'script');
  document.write(' language="javascript"');
  document.write(' type="text/javascript"');
  document.write(' src="' + script_filename + '">');
  document.write('</' + 'script' + '>');
}

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";
 }
}

$(document).ready(function(){
  externalLinks();
  var intro = document.getElementById("introduction");
  $(".schedule tr:even").addClass("stripe");
  $(".accessibility tbody tr:even").addClass("stripe");
});