function SetClass (className, ignoreOnValue) {

  if ((ignoreOnValue) && (event.srcElement.value != "")) return;
  event.srcElement.className = className;  
}

function GetObj (name) { 

  if (document.getElementById) return document.getElementById (name); else
  if (document.all) return document.all[name]; else
  if (document.layers) return document.layers[name];
}

function SetThisClass (objName, className) {

  var obj = GetObj (objName);
  obj.className = className;
}