function loader()
{
  if (document.images) {
    preLoad = new Array();
    for (i = 0; i < 12; i ++){
      preLoad[i] = new Image();
    }
    preLoad[0].src = "images/m_01.jpg";
    preLoad[1].src = "images/m_11.jpg";
    preLoad[2].src = "images/m_02.jpg";
    preLoad[3].src = "images/m_12.jpg";
    preLoad[4].src = "images/m_03.jpg";
    preLoad[5].src = "images/m_13.jpg";
    preLoad[6].src = "images/m_04.jpg";
    preLoad[7].src = "images/m_14.jpg";
    preLoad[8].src = "images/m_05.jpg";
    preLoad[9].src = "images/m_15.jpg";
    preLoad[10].src = "images/m_06.jpg";
    preLoad[11].src = "images/m_16.jpg";

  }
}