if (document.images) {

    imgWizCanceloff = new Image();
    imgWizCanceloff.src = "../images/cancelbut_01.gif";
    imgWizCancelon = new Image();
    imgWizCancelon.src = "../images/cancelbut_02.gif";

    imgWizFinishoff = new Image();
    imgWizFinishoff.src = "../images/finbut_01.gif";
    imgWizFinishon = new Image();
    imgWizFinishon.src = "../images/finbut_02.gif";

    imgPNPreviousViewoff = new Image();
    imgPNPreviousViewoff.src = "../images/backbut_01.gif";
    imgPNPreviousEditoff = new Image();
    imgPNPreviousEditoff.src = "../images/backbut_01.gif";

    imgPNNextViewoff = new Image();
    imgPNNextViewoff.src = "../images/nextbut_01.gif";
    imgPNNextEditoff = new Image();
    imgPNNextEditoff.src = "../images/nextbut_01.gif";
}