el1 = new Image();
el2 = new Image();
el3 = new Image();
el4 = new Image();
el5 = new Image();
el6 = new Image();
el7 = new Image();
el8 = new Image();
el9 = new Image();
el10 = new Image();
el11 = new Image();
el0 = new Image();

b1a = new Image();
b1i = new Image();
b2a = new Image();
b2i = new Image();
b3a = new Image();
b3i = new Image();
b4a = new Image();
b4i = new Image();
b5a = new Image();
b5i = new Image();
b6a = new Image();
b6i = new Image();
b7a = new Image();
b7i = new Image();
b8a = new Image();
b8i = new Image();
b9a = new Image();
b9i = new Image();
b10a = new Image();
b10i = new Image();
b11a = new Image();
b11i = new Image();
b12a = new Image();
b12i = new Image();


el1.src = "images/menu/el_1.gif";
el2.src = "images/menu/el_2.gif";
el3.src = "images/menu/el_3.gif";
el4.src = "images/menu/el_4.gif";
el5.src = "images/menu/el_5.gif";
el6.src = "images/menu/el_6.gif";
el7.src = "images/menu/el_7.gif";
el8.src = "images/menu/el_8.gif";
el9.src = "images/menu/el_9.gif";
el10.src = "images/menu/el_10.gif";
el11.src = "images/menu/el_11.gif";
el0.src = "images/menu/el_blank.gif";

b1a.src = "images/menu/ziele_a.gif";
b1i.src = "images/menu/ziele_i.gif";
b2a.src = "images/menu/aufgaben_a.gif";
b2i.src = "images/menu/aufgaben_i.gif";
b3a.src = "images/menu/vorstand_a.gif";
b3i.src = "images/menu/vorstand_i.gif";
b4a.src = "images/menu/mitglied_a.gif";
b4i.src = "images/menu/mitglied_i.gif";
b5a.src = "images/menu/forum_a.gif";
b5i.src = "images/menu/forum_i.gif";
b6a.src = "images/menu/news_a.gif";
b6i.src = "images/menu/news_i.gif";
b7a.src = "images/menu/projekte_a.gif";
b7i.src = "images/menu/projekte_i.gif";
b8a.src = "images/menu/termine_a.gif";
b8i.src = "images/menu/termine_i.gif";
b9a.src = "images/menu/download_a.gif";
b9i.src = "images/menu/download_i.gif";
b10a.src = "images/menu/kontakt_a.gif";
b10i.src = "images/menu/kontakt_i.gif";
b11a.src = "images/menu/home_a.gif";
b11i.src = "images/menu/home_i.gif";

ellipse = new Array(el0, el1, el2, el3, el4, el5, el6, el7, el8, el9, el10, el11);

var halten = 0;
var TimerID;



function switchImg(imgno)
{
  switch (imgno)
  {
    case 1: document.el.src = el1.src;
            document.b1.src = b1a.src;
            sperren();
            break;
    case 2: document.el.src = el2.src;
            document.b2.src = b2a.src;
            sperren();
            break;
    case 3: document.el.src = el3.src;
            document.b3.src = b3a.src;
            sperren();
            break;
    case 4: document.el.src = el4.src;
            document.b4.src = b4a.src;
            sperren();
            break;
    case 5: document.el.src = el5.src;
            document.b5.src = b5a.src;
            sperren();
            break;
    case 6: document.el.src = el6.src;
            document.b6.src = b6a.src;
            sperren();
            break;
    case 7: document.el.src = el7.src;
            document.b7.src = b7a.src;
            sperren();
            break;
    case 8: document.el.src = el8.src;
            document.b8.src = b8a.src;
            sperren();
            break;
    case 9: document.el.src = el9.src;
            document.b9.src = b9a.src;
            sperren();
            break;
    case 10: document.el.src = el10.src;
            document.b10.src = b10a.src;
            sperren();
            break;
    case 11: document.el.src = el11.src;
            document.b11.src = b11a.src;
            sperren();
            break;


    case 21: document.b1.src = b1i.src;
             reset();
             break;
    case 22: document.b2.src = b2i.src;
             reset();
             break;
    case 23: document.b3.src = b3i.src;
             reset();
             break;
    case 24: document.b4.src = b4i.src;
             reset();
             break;
    case 25: document.b5.src = b5i.src;
             reset();
             break;
    case 26: document.b6.src = b6i.src;
             reset();
             break;
    case 27: document.b7.src = b7i.src;
             reset();
             break;
    case 28: document.b8.src = b8i.src;
             reset();
             break;
    case 29: document.b9.src = b9i.src;
             reset();
             break;
    case 210: document.b10.src = b10i.src;
             reset();
             break;
    case 211: document.b11.src = b11i.src;
             reset();
             break;

  }
}


function sperren()
{
    halten = 1;
}


function reset()
{
    halten = 0;
    clearTimeout(TimerID);
    TimerID = setTimeout("ruecksetzen()", 200);
}

function ruecksetzen()
{
    if (halten == 0)
    {
        document.el.src = ellipse[thisPage].src;
    }
}