var nav_supportoverview_off = new Image();
  nav_supportoverview_off.src = "/images/nav_supportoverview_off.gif";
  var nav_supportoverview_over = new Image();
  nav_supportoverview_over.src = "/images/nav_supportoverview_over.gif";

  var nav_faqs_off= new Image();
  nav_faqs_off.src = "/images/nav_faqs_off.gif";
  var nav_faqs_over = new Image();
  nav_faqs_over.src = "/images/nav_faqs_over.gif";

  var nav_documentation_off = new Image();
  nav_documentation_off.src = "/images/nav_documentation_off.gif";
  var nav_documentation_over = new Image();
  nav_documentation_over.src = "/images/nav_documentation_over.gif";

  var nav_knowledgebase_off = new Image();
  nav_knowledgebase_off.src = "/images/nav_knowledgebase_off.gif";
  var nav_knowledgebase_over = new Image();
  nav_knowledgebase_over.src = "/images/nav_knowledgebase_over.gif";

  var nav_techtips_off = new Image();
  nav_techtips_off.src = "/images/nav_techtips_off.gif";
  var nav_techtips_over = new Image();
  nav_techtips_over.src = "/images/nav_techtips_over.gif";


  var nav_discussionforums_off = new Image();
  nav_discussionforums_off.src = "/images/nav_discussionforums_off.gif";
  var nav_discussionforums_over = new Image();
  nav_discussionforums_over.src = "/images/nav_discussionforums_over.gif";

  var nav_techarchive_off = new Image();
  nav_techarchive_off.src = "/images/nav_techarchive_off.gif";
  var nav_techarchive_over = new Image();
  nav_techarchive_over.src = "/images/nav_techarchive_over.gif";
  
  var nav_licensing_off = new Image();
  nav_licensing_off.src = "/images/nav_licensing_off.gif";
  var nav_licensing_over = new Image();
  nav_licensing_over.src = "/images/nav_licensing_over.gif";  

  var nav_contactsupport_off = new Image();
  nav_contactsupport_off.src = "/images/nav_contactsupport_off.gif";
  var nav_contactsupport_over = new Image();
  nav_contactsupport_over.src = "/images/nav_contactsupport_over.gif";  

  var nav_supportpolicy_off = new Image();
  nav_supportpolicy_off.src = "/images/nav_supportpolicy_off.gif";
  var nav_supportpolicy_over = new Image();
  nav_supportpolicy_over.src = "/images/nav_supportpolicy_over.gif";