function restore() { //v2.0
  if (document.swapData != null)
    for (var i=0; i<(document.swapData.length-1); i+=2)
      document.swapData[i].src = document.swapData[i+1];
}

function swap() { //v2.0
  var i,j=0,objStr,obj,swapArray=new Array,oldArray=document.swapData;
  for (i=0; i < (swap.arguments.length-2); i+=3) {
    objStr = swap.arguments[(navigator.appName == 'Netscape')?i:i+1];
    if ((objStr.indexOf('document.layers[')==0 && document.layers==null) ||
        (objStr.indexOf('document.all[')   ==0 && document.all   ==null))
      objStr = 'document'+objStr.substring(objStr.lastIndexOf('.'),objStr.length);
    obj = eval(objStr);
    if (obj != null) {
      swapArray[j++] = obj;
      swapArray[j++] = (oldArray==null || oldArray[j-1]!=obj)?obj.src:oldArray[j];
      obj.src = swap.arguments[i+2];
	window.event.srcElement.style.cursor="hand";

} }
  document.swapData = swapArray; //used for restore
}