function newImage(arg) {
        if (document.images) {
                rslt = new Image();
                rslt.src = arg;
                return rslt;
        }
}

var preloadFlag = false;
function preloadImages() {
//        if (document.images) {
                button_0 = newImage(pfad + "button_00.gif");
                button_1 = newImage(pfad + "button_01.gif");
                button_2 = newImage(pfad + "button_02.gif");
                button_3 = newImage(pfad + "button_03.gif");
                button_4 = newImage(pfad + "button_04.gif");
                button_5  = newImage(pfad + "button_05.gif");
                button_6  = newImage(pfad + "button_06.gif");
                button_7  = newImage(pfad + "button_07.gif");
                button_8  = newImage(pfad + "button_08.gif");
                button_9  = newImage(pfad + "button_09.gif");
                button_10  = newImage(pfad + "button_10.gif");

                button_0_over = newImage(pfad + "button_00-over.gif");
                button_1_over = newImage(pfad + "button_01-over.gif");
                button_2_over = newImage(pfad + "button_02-over.gif");
                button_3_over = newImage(pfad + "button_03-over.gif");
                button_4_over = newImage(pfad + "button_04-over.gif");
                button_5_over = newImage(pfad + "button_05-over.gif");
                button_6_over = newImage(pfad + "button_06-over.gif");
                button_7_over = newImage(pfad + "button_07-over.gif");
                button_8_over = newImage(pfad + "button_08-over.gif");
                button_9_over = newImage(pfad + "button_09-over.gif");
                button_10_over = newImage(pfad + "button_10-over.gif");
                preloadFlag = true;
//        }
}

var jetzt_on  = null;

function maus_drauf(nr) {
  if (nr != jetzt_on ) {
    eval("document.button_0" + nr + ".src =button_" + nr + "_over.src");

  }
}


function maus_drauf_init() {
  if (init_nav != jetzt_on ) {
    eval("document.button_0" + init_nav + ".src =button_" + init_nav + "_over.src");

  }
}

function maus_runter_init(nr) {

  if (init_nav  != nr) {
    eval("document.button_0" + init_nav + ".src =button_" + init_nav + ".src");

  }
}


function maus_runter(nr) {
  if (nr != jetzt_on ) {
    eval("document.button_0" + nr + ".src =button_" + nr + ".src");

  }
}

function clicks(nr) {
  if (jetzt_on != null) {
    eval("document.button_0" + jetzt_on + ".src = button_" + jetzt_on + ".src");
  }
  eval("document.button_0" + nr + ".src = button_" + nr + "_over.src");
  jetzt_on = nr;
}

function init() {
  preloadFlag = true;

   clicks(parent.init_nav);

  }