function SwapImage() { //v1.0
  var i,theObj,j=0,swapArray=new Array,oldArray=document.SwapImgData;
  for (i=0; i < (SwapImage.arguments.length-2); i+=3) {
    theObj = eval(SwapImage.arguments[(navigator.appName == 'Netscape')?i:i+1])
    if (theObj != null) {
      swapArray[j++] = theObj;
      swapArray[j++] = (oldArray==null || oldArray[j-1]!=theObj)?theObj.src:oldArray[j];
      theObj.src = SwapImage.arguments[i+2];
  } }
  document.SwapImgData = swapArray; //¦^¦s
}
function ImgRestore() { //v1.0
  if (document.SwapImgData != null)
    for (var i=0; i<(document.SwapImgData.length-1); i+=2)
      document.SwapImgData[i].src = document.SwapImgData[i+1];
}