if (document.images) {

  abouton = new Image();
  abouton.src = "/images/menu/m_about2.gif";
  resourceon = new Image();
  resourceon.src = "/images/menu/m_resource2.gif";
  courseon = new Image();
  courseon.src = "/images/menu/m_topic2.gif";
  corporateon = new Image();
  corporateon.src = "/images/menu/m_team2.gif";
  videoon = new Image();
  videoon.src = "/images/top/t_videos2.gif";
  cdon = new Image();
  cdon.src = "/images/top/t_cd-rom2.gif";
  homeon = new Image();
  homeon.src = "/images/top/t_home2.gif";
  seminaron = new Image();
  seminaron.src = "/images/top/t_seminars2.gif";
  groupon = new Image();
  groupon.src = "/images/top/t_group2.gif";
  coursewareon = new Image();
  coursewareon.src = "/images/top/t_courseware2.gif";  
  licensingon = new Image();
  licensingon.src = "/images/top/t_licensing2.gif";
 
     
  aboutoff = new Image();
  aboutoff.src = "/images/menu/m_about.gif";
  resourceoff = new Image();
  resourceoff.src = "/images/menu/m_resource.gif";
  courseoff = new Image();
  courseoff.src = "/images/menu/m_topic.gif";
  corporateoff = new Image();
  corporateoff.src = "/images/menu/m_team.gif";
  ILToff = new Image();
  ILToff.src = "/images/menu/m_onsite.gif";
  ATPoff = new Image();
  ATPoff.src = "/images/menu/m_ILTcw.gif";
  KSOURCEoff = new Image();
  KSOURCEoff.src = "/images/menu/m_ksource.gif";
  ILTon = new Image();
  ILTon.src = "/images/menu/m_onsite2.gif";
  ATPon = new Image();
  ATPon.src = "/images/menu/m_ILTcw2.gif";
  KSOURCEon = new Image();
  KSOURCEon.src = "/images/menu/m_ksource2.gif";
  iltsolutionon = new Image();
  iltsolutionon.src = "/images/menu/m_iltsolution2.gif";
  iltsolutionoff = new Image();
  iltsolutionoff.src = "/images/menu/m_iltsolution.gif";
  onlineclasson = new Image();
  onlineclasson.src = "/images/menu/m_onlineclass2.gif";
  onlineclassoff = new Image();
  onlineclassoff.src = "/images/menu/m_onlineclass.gif";
  cwlicon = new Image();
  cwlicon.src = "/images/menu/m_cwlic2.gif";
  cwlicoff = new Image();
  cwlicoff.src = "/images/menu/m_cwlic.gif";
   
  videooff = new Image();
  videooff.src = "/images/top/t_videos.gif";
  cdoff = new Image();
  cdoff.src = "/images/top/t_cd-rom.gif";  
  homeoff = new Image();
  homeoff.src = "/images/top/t_home.gif";
  seminaroff = new Image();
  seminaroff.src = "/images/top/t_seminars.gif";
  groupoff = new Image();
  groupoff.src = "/images/top/t_group.gif";
  coursewareoff = new Image();
  coursewareoff.src = "/images/top/t_courseware.gif";
  licensingoff = new Image();
  licensingoff.src = "/images/top/t_licensing.gif";
}