_nbGroup.arguments;
   if (event == "init" && args.length > 2) {
     if ((img = MM_findObj(args[2])) != null && !img.MM_init) {
       img.MM_init = true; img.MM_up = args[3]; img.MM_dn = img.src;
       if ((nbArr = document[grpName]) == null) nbArr = 
document[grpName] = new Array();
       nbArr[nbArr.length] = img;
       for (i=4; i < args.length-1; i+=2) if ((img = 
MM_findObj(args[i])) != null) {
         if (!img.MM_up) img.MM_up = img.src;
         img.src = img.MM_dn = args[i+1];
         nbArr[n