function preload() {
  images = new Array(12);

    images[0] = new Image();
    images[0].src = 'images/abstrakt.jpg';
    images[1] = new Image();
    images[1].src = 'images/bewegung.jpg';
    images[2] = new Image();
    images[2].src = 'images/serie.jpg';
    images[3] = new Image();
    images[3].src = 'images/figur.jpg';
    images[4] = new Image();
    images[4].src = 'images/portrait.jpg';
    images[5] = new Image();
    images[5].src = 'images/stillleben.jpg';
    images[6] = new Image();
    images[6].src = 'images/zeichnung.jpg';
    images[7] = new Image();
    images[7].src = 'images/maritim.jpg';
    images[8] = new Image();
    images[8].src = 'images/paperart.jpg';
    images[9] = new Image();
    images[9].src = 'images/dl/Im_Hochland_small.jpg';
    images[10] = new Image();
    images[10].src = 'images/dl/Vor_Freude_small.jpg';
    images[11] = new Image();
    images[11].src = 'images/dl/Vor_dem_Fruehstueck_small.jpg';
}

function dl() {
  var win = window.open("dl.php", "rw1", "innerHeight=650,innerWidth=500,height=650,width=500,resizable=No,status=No,scrollbars=No,titlebar=No,toolbar=No");
}

function artikel() {
  var win = window.open("images/dl/artikel.jpg", "rw2", "innerHeight=680,innerWidth=820,height=680,width=820,resizable=No,status=No,scrollbars=No,titlebar=No,toolbar=No");
}

function foto(img) {
  var win = window.open("images/" + img + "", "rw3", "innerHeight=600,innerWidth=600,height=600,width=600,resizable=No,status=No,scrollbars=No,titlebar=No,toolbar=No");
}

function ausstellungen() {
  var win = window.open("ausstellungen.php", "rw4", "innerHeight=650,innerWidth=590,height=650,width=620,resizable=No,status=No,scrollbars=Yes,titlebar=No,toolbar=No");
}

function biographie() {
  var win = window.open("biographie.php", "rw5", "innerHeight=650,innerWidth=590,height=650,width=620,resizable=No,status=No,scrollbars=Yes,titlebar=No,toolbar=No");
}