SkinMgr.deleteAll ()
delete all skins belonging to this manager

Sourcecode in SkinMgr/objectFunctions.js:
1:   function deleteAll() {
2:      for (var i=0;i<this.size();i++) {
3:         var proto = this.get(i);
4:         for (var j=proto.size();j>0;j--)
5:            this.deleteSkin(proto.get(j-1));
6:      }
7:      return;
8:   }