if(navigator.appVersion.charAt(0)>=4 && (navigator.appVersion).indexOf("MSIE") != -1) isIE4 = true;
else  isIE4 = false;

function rtrans_anima(id) {
 el = document.all(id);
 el.filters["revealTrans"].Apply();
 el.style.visibility = "visible";
 el.filters["revealTrans"].Play();
 }

if(isIE4) {
 window.onload = init;
 }

function init() {
   rtrans_anima("RTRANS12");
 }