function SelectTd(target){
  target.style.cursor = "hand";
  var TdList = document.getElementById("TdList");
  var Tds = TdList.getElementsByTagName("Td");
  for(var i=0; i<Tds.length ;i++){
    if(i!=3 && i!=4){
      Tds[i].style.background = "url(/Images/blurTd.gif) no-repeat";
    }
  }
  target.style.background = "url(/Images/focusTd.gif) no-repeat";
}