if(document.images) {
    pics = new Array();
    pics[13] = new Image();
    pics[13].src = "/elearning/images/smb/solutions_video.jpg";
    pics[14] = new Image();
    pics[14].src = "/elearning/images/smb/solutions_video_rolo.jpg";
    pics[15] = new Image();
    pics[15].src = "/elearning/images/smb/learner_video.jpg";
    pics[16] = new Image();
    pics[16].src = "/elearning/images/smb/learner_video_rolo.jpg";
    pics[17] = new Image();
    pics[17].src = "/elearning/images/smb/admin_video.jpg";
    pics[18] = new Image();
    pics[18].src = "/elearning/images/smb/admin_video_rolo.jpg";
    pics[19] = new Image();
    pics[19].src = "/elearning/images/smb/backend_video.jpg";
    pics[20] = new Image();
    pics[20].src = "/elearning/images/smb/backend_video_rolo.jpg";
    pics[23] = new Image();
    pics[23].src = "/elearning/images/navigation/compfund_white_button.jpg";
    pics[24] = new Image();
    pics[24].src = "/elearning/images/navigation/compfund_white_rolo.jpg";
    pics[25] = new Image();
    pics[25].src = "/elearning/images/navigation/office_white_button.jpg";
    pics[26] = new Image();
    pics[26].src = "/elearning/images/navigation/office_white_rolo.jpg";
    pics[27] = new Image();
    pics[27].src = "/elearning/images/navigation/personal_white_button.jpg";
    pics[28] = new Image();
    pics[28].src = "/elearning/images/navigation/personal_white_rolo.jpg";
    pics[29] = new Image();
    pics[29].src = "/elearning/images/navigation/it_white_button.jpg";
    pics[30] = new Image();
    pics[30].src = "/elearning/images/navigation/it_white_rolo.jpg";
    pics[31] = new Image();
    pics[31].src = "/elearning/images/navigation/database_white_button.jpg";
    pics[32] = new Image();
    pics[32].src = "/elearning/images/navigation/database_white_rolo.jpg";
    pics[33] = new Image();
    pics[33].src = "/elearning/images/navigation/web_white_button.jpg";
    pics[34] = new Image();
    pics[34].src = "/elearning/images/navigation/web_white_rolo.jpg";
    pics[35] = new Image();
    pics[35].src = "/elearning/images/navigation/vocational_white_button.jpg";
    pics[36] = new Image();
    pics[36].src = "/elearning/images/navigation/vocational_white_rolo.jpg";    
  }
    function changer(from,to) {
    if(document.images) {
    document.images[from].src = pics[to].src;
    }
  }