{{ $mode := .Get 0 }}{{ $opt := .Get 1 }}

{{ $img_on := ( printf "%s%s"  $.Page.Site.BaseURL "img/on-off/switch-on-icon_smal.png" )}}
{{ $img_off := ( printf "%s%s"  $.Page.Site.BaseURL "img/on-off/switch-off-icon_smal.png" )}}

{{ if eq $mode "on" }}
   <img src="{{ $img_on }}" alt="On">
{{ else if eq $mode "off"}}
   <img src="{{ $img_off }}" alt="Off">
{{ else if eq $mode "imgping" }}
  {{ with $opt }}
    {{ $id := md5 $opt }}
    <img id={{ $id }} src="{{ $img_off }}" alt="Off">
    <script language="JavaScript">
      var imgping = new Image();
      imgping.src = '{{ $opt }}';
      if(imgping.height>0){
        document.getElementById("{{ $id }}").outerHTML ='<img src="{{ $img_on }}" alt="On">';
      }
    </script>
  {{ else }}
    Ned URL to image
  {{ end }}
{{ else }}
   ???
{{ end }}