function changeStart(im) {
    if (im==0) document.images.bstart.src = "img/dig/start.gif";
    if (im==2) document.images.bstart.src = "img/dig/start2.gif";
    if (im==1) document.images.bstart.src = "img/dig/start1.gif";
  }
  function changeTitle(tit,im) {
    if (tit == 1) var obj = document.images.ar1;
	if (tit == 2) var obj = document.images.ar2;
	if (tit == 3) var obj = document.images.ar3;
	if (tit == 4) var obj = document.images.ar4;
	if (tit == 5) var obj = document.images.ar5;
	if (tit == 6) var obj = document.images.ar6;
	if (tit == 7) var obj = document.images.ar7;
    if (im == 1) obj.src = "img/dig/arr1.gif";
	if (im == 2) obj.src = "img/dig/arr2.gif";
	if (im == 3) obj.src = "img/dig/arr3.gif";
  }