parameters: (url, overwrite=False, alt="", stderr=False)
docstring: Display block image in a sequence.
      New image display causes previous images to be hidden.
      Display of hidden images can be toggled by clicking.
docstring_summary: Display block image in a sequence.
      New image display causes previous images to be hidden.
      Display of hidden images can be toggled by clicking.
docstring_tokens: Display block image in a sequence . New image display causes previous images to be hidden . Display of hidden images can be toggled by clicking .
function: def display_blockimg_old(url, overwrite=False, alt="", stderr=False):
      """Display block image in a sequence.
      New image display causes previous images to be hidden.
      Display of hidden images can be toggled by clicking.
      """
      alt_attr = ' alt="'+alt+'"' if alt else ''
      IMGFORMAT = '<span class="gterm-togglelink"><em>&lt;'+(alt or 'image')+'&gt;</em></span><img class="gterm-blockimg gterm-togglelink" src="%s"'+alt_attr+'><br>'
      add_headers = {"classes": "gterm-blockseq"}
      if overwrite:
          add_headers["overwrite"] = "yes"
      write_pagelet_old(IMGFORMAT % url, add_headers=add_headers, stderr=stderr)
function_tokens: def display_blockimg_old ( url , overwrite = False , alt = "" , stderr = False ) : alt_attr = ' alt="' + alt + '"' if alt else '' IMGFORMAT = '<span class="gterm-togglelink"><em>&lt;' + ( alt or 'image' ) + '&gt;</em></span><img class="gterm-blockimg gterm-togglelink" src="%s"' + alt_attr + '><br>' add_headers = { "classes" : "gterm-blockseq" } if overwrite : add_headers [ "overwrite" ] = "yes" write_pagelet_old ( IMGFORMAT % url , add_headers = add_headers , stderr = stderr )