Stub API to Set z-index

// xplat API to set zIndex
function setZIndex
  (objectName, zOrder) {
  var theObj

  if (isNav4) { theObj = 
      eval("document." + objectName) }
  if (isIE4)  { theObj = 
      eval("document.all." + 
           objectName + ".style") }
  if (theObj) 
      theObj.zIndex = zOrder }

Speaker Notes