IE4 = (document.all);
  if (IE4) {
    allTDs = document.all.tags("TD");
    for (i = 0; i < allTDs.length; i++) {
      tTD = allTDs(i);
      if (tTD.className == "header") {
        tTD.onmouseover = tOv;
        tTD.onmouseout = tOt
      }
    }
    function tOv() {this.style.backgroundColor="#0080C0";
this.style.color="white"}
    function tOt() {this.style.backgroundColor="#3399CC";
this.style.color="blue"}
  }