ie4 = ((navigator.appVersion.indexOf("MSIE")>0) && (parseInt(navigator.appVersion) >= 4));
var count = 0, count2 = 0, add1 = 3, add2 = 10, timerID;
function show() {
if (ie4) {
  count += add1;
  count2 += add2;
  delay = 30;
  if(count2 > 100) count2 = 100;
  if(count > 100) {
    count = 100;
    add1 = -10;
    add2 = -3;
    delay = 350;
}
  if(count < 0) count = 0;
  if(count2 < 0) {
    count2 = 0;
    add1 = 3;
    add2 = 10;
    delay = 200;
}
  fader.style.filter = "Alpha(Opacity="+count2+",FinishOpacity="+count+",style=2)";
  timerID = setTimeout("show()", delay);
}
}
window.onload = show