var counts = 4; img1 = new Image(); img1.src = 'slide/slide_01.jpg'; img2 = new Image(); img2.src = 'slide/slide_02.jpg'; img3 = new Image(); img3.src = 'slide/slide_03.jpg'; img4 = new Image(); img4.src = 'slide/slide_04.jpg';  var smallImg = new Array(); smallImg[0] = 'slide/slide_01_small.jpg'; smallImg[1] = 'slide/slide_02_small.jpg'; smallImg[2] = 'slide/slide_03_small.jpg'; smallImg[3] = 'slide/slide_04_small.jpg';  alt1 = new Image(); alt1.alt = 'pic01'; alt2 = new Image(); alt2.alt = 'pic02'; alt3 = new Image(); alt3.alt = 'pic03'; alt4 = new Image(); alt4.alt = 'pic04'; var nn = 1; var key = 0; function change_img() {  if (key == 0) {   key = 1;  } else if (document.all) {   document.getElementById("pic").filters[0].Apply();   document.getElementById("pic").filters[0].Play(duration = 1);  }  eval('document.getElementById("pic").src=img' + nn + '.src');  eval('document.getElementById("pic").alt=alt' + nn + '.alt');    for ( var i = 1; i <= counts; i++) {   document.getElementById("xxjdjj" + i).className = 'axx';  }  document.getElementById("xxjdjj" + nn).className = 'bxx';  nn++;  if (nn > counts) {   nn = 1;  }  tt = setTimeout('change_img()', 6500); } function changeimg(n) {  nn = n;  window.clearInterval(tt);  change_img(); } function ImageShow() {  document.write('<div class="picshow_main">');  document.write('<div><a id="url"><img id="pic" class="imgbig" /></a></div>');  document.write('<div class="picshow_change">');  for ( var i = 0; i < counts; i++) {   document.write('<a href="javascript:changeimg(' + (i + 1)     + ');" id="xxjdjj' + (i + 1)     + '" class="axx" target="_self"><img src="' + smallImg[i]     + '"></a>');  }  document.write('</div></div>');  change_img(); }