http://localhost/tc/mapserver/lib/dlegend2/make_dlegend_json.php?map=/TC/mapserv/main.map&executable=/cgi-bin/mapserv.exe&varname=legend_config&iconurl=legend_icons&iconpath=/TC/htdocs/mapserver/legend_icons/



<!-- Dynamically write the script tag
<script>
  config = new Object();
  config.ms_executable = "http://localhost/cgi-bin/mapserv.exe";
  config.mapfile = "/data/TC/mapserv/main.map";
  config.dlegend_json_executable = "/dlegend2/make_dlegend_json.php";
      
  var varname = 'legend_config'
  var script_src = config.dlegend_json_executable + "?map=" + config.mapfile + 
    "&executable=" + config.ms_executable + "&varname=" + varname;
  var script_tag = '<script language="javascript" src="'+script_src+'"><\/script>'
  document.write(script_tag)  
</script>
 -->
<!-- Static script tag 
      All 3 parameters could go into site_var.php
  <script type="text/javascript" src="lib/dlegend2/legend.js"></script>      
-->

IN php.ini:
  register_argc_argv = On
TO GET PARAMETERS READ!  

<script type="text/javascript"
  src="lib/dlegend2/make_dlegend_json.php?map=/TC/mapserv/main.map&executable=/cgi-bin/mapserv.exe&varname=legend_config&iconurl=legend_icons&iconpath=/TC/htdocs/mapserver/legend_icons/"
>      

</script>