selected=0;
  b_over = new Array;
  b_over[1] = new Image;b_over[1].src = "res/cottbus_3.gif";
  b_over[2] = new Image;b_over[2].src = "res/fussball_3.gif";
  b_over[3] = new Image;b_over[3].src = "res/karneval_3.gif";
  b_over[4]=new Image;b_over[4].src="res/sonstiges_3.gif";
  b_over[5]=new Image;b_over[5].src="res/gaestebuch_3.gif";
  b_over[6]=new Image;b_over[6].src="res/links_3.gif";
  
	b_out = new Array;
  b_out[1] = new Image;b_out[1].src = "res/cottbus_1.gif";
  b_out[2] = new Image;b_out[2].src = "res/fussball_1.gif";
  b_out[3] = new Image;b_out[3].src = "res/karneval_1.gif";
  b_out[4] = new Image;b_out[4].src = "res/sonstiges_1.gif";
  b_out[5] = new Image;b_out[5].src = "res/gaestebuch_1.gif";
  b_out[6] = new Image;b_out[6].src = "res/links_1.gif";
           
                     function mOver(nr)
  {
    if(nr!=selected)
    {
      imgname="button"+nr;
      document.images[imgname].src=b_over[nr].src;
    }
  }
  function mOut(nr)
  {
    if(nr!=selected)
    {
      imgname="button"+nr;
      document.images[imgname].src=b_out[nr].src;
    }
  }
  function mClick(nr)
  {
    if(selected!=0)
    {
      imgname="button"+selected;
      document.images[imgname].src=b_out[selected].src;
    }
    selected=nr;
    imgname="button"+nr;
    document.images[imgname].src=b_click[nr].src;
  }