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Javascript dynamic image resizing

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  1. function ResizeImage(image, maxwidth, maxheight)
  2. {
  3.     if (image.className == "Thumbnail")
  4.     {
  5.         w = image.width;
  6.         h = image.height;
  7.  
  8.         if( w == 0 || h == 0 )
  9.         {
  10.             image.width = maxwidth;
  11.             image.height = maxheight;
  12.         }
  13.         else if (w > h)
  14.         {
  15.             if (w > maxwidth) image.width = maxwidth;
  16.         }
  17.         else
  18.         {
  19.             if (h > maxheight) image.height = maxheight;
  20.         }
  21.  
  22.         image.className = "ScaledThumbnail";
  23.     }
  24. }

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