for (PRInt32 i = 0; i < n; i++) {
for (PRInt32 i = n-1; i >= 0; i--) {
nsPresContext::Stop(void){  PRInt32 n = mImageLoaders.Count();  for (PRInt32 i = 0; i < n; i++) {    nsIFrameImageLoader* loader;    loader = (nsIFrameImageLoader*) mImageLoaders.ElementAt(i);    loader->StopImageLoad();    NS_RELEASE(loader);  }  mImageLoaders.Clear();  mStopped = PR_TRUE;  return NS_OK;}