/*
 * image preload script
 */

var preloadFlag = true;

function newImage(arg) {
            if (document.images) {
                rslt = new Image();
                rslt.src = arg;
                return rslt;
            }
        }
function changeImages() {
    if (document.images && (preloadFlag == true)) {
        for (var i=0; i<changeImages.arguments.length; i+=2) {
            document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
        }
    }
}
        

        
function preloadImages() {
    if (document.images) {
        btn1_over = newImage("./images/pages/btn1-over.gif");
        btn1_down = newImage("./images/pages/btn1-down.gif");
        btn2_over = newImage("./images/pages/btn2-over.gif");
        btn2_down = newImage("./images/pages/btn2-down.gif");
        btn3_over = newImage("./images/pages/btn3-over.gif");
        btn3_down = newImage("./images/pages/btn3-down.gif");
        btn4_over = newImage("./images/pages/btn4-over.gif");
        btn4_down = newImage("./images/pages/btn4-down.gif");
        btn5_over = newImage("./images/pages/btn5-over.gif");
        btn5_down = newImage("./images/pages/btn5-down.gif");
        header_statusbar_btn1_over = newImage("./images/pages/header_statusbar-btn1_over.jpg");
        header_statusbar_btn2_over = newImage("./images/pages/header_statusbar-btn2_over.jpg");
        header_statusbar_btn3_over = newImage("./images/pages/header_statusbar-btn3_over.jpg");
        header_statusbar_btn4_over = newImage("./images/pages/header_statusbar-btn4_over.jpg");
        header_statusbar_btn5_over = newImage("./images/pages/header_statusbar-btn5_over.jpg");
        preloadFlag = true;
    }
}