function SwitchImg()
{ 
  var rem, keep=0, store, obj, switcher=new Array, history=document.Data;
   for (rem=0; rem < (SwitchImg.arguments.length-2); rem+=3) {
        store = SwitchImg.arguments[(navigator.appName == 'Netscape')?rem:rem+1];
   if ((store.indexOf('document.layers[')==0 && document.layers==null) ||
       (store.indexOf('document.all[')==0 && document.all==null))
        store = 'document'+store.substring(store.lastIndexOf('.'),store.length);
        obj = eval(store);
    if (obj != null) {
       switcher[keep++] = obj;
       switcher[keep++] = (history==null || history[keep-1]!=obj)?obj.src:history[keep];
       obj.src = SwitchImg.arguments[rem+2];
   }
    }
  document.Data = switcher;
} 

function RestoreImg()
{ 
  if (document.Data != null)
    for (var rem=0; rem<(document.Data.length-1); rem+=2)
      document.Data[rem].src=document.Data[rem+1];
}