plantuml

function encode64(data) {
 r = "";
 for (i=0; i<data.length; i+=3) {
   if (i+2==data.length) {
   r +=append3bytes(data.charCodeAt(i), data.charCodeAt(i+1), 0);
  } else if (i+1==data.length) {
   r += append3bytes(data.charCodeAt(i), 0, 0);
  } else {
   r += append3bytes(data.charCodeAt(i), data.charCodeAt(i+1), data.charCodeAt(i+2));
  }
 }
 return r;
}

function append3bytes(b1, b2, b3) {
 c1 = b1 >> 2;
 c2 = ((b1 & 0x3) << 4) | (b2 >> 4);
 c3 = ((b2 & 0xF) << 2) | (b3 >> 6);
 c4 = b3 & 0x3F;
 r = "";
 r += encode6bit(c1 & 0x3F);
 r += encode6bit(c2 & 0x3F);
 r += encode6bit(c3 & 0x3F);
 r += encode6bit(c4 & 0x3F);
 return r;
}

function encode6bit(b) {
 if (b < 10) {
   return String.fromCharCode(48 + b);
 }
 b -= 10;
 if (b < 26) {
   return String.fromCharCode(65 + b);
 }
 b -= 26;
 if (b < 26) {
   return String.fromCharCode(97 + b);
 }
 b -= 26;
 if (b == 0) {
   return '-';
 }
 if (b == 1) {
   return '_';
 }
 return '?';
}
</script>
<script>
$(document).ready(function(){  
  $('uml').each(function() {
    element = $(this);
    code = element.html()
    code = code.replace(new RegExp("&gt;",'g'), ">");
    code = code.replace(new RegExp("&lt;",'g'), "<");
    code = unescape(encodeURIComponent(code));
    src = "'http://www.plantuml.com/plantuml/img/"+encode64(zip_deflate(code, 9)) + "'";
    element.replaceWith("<img src="+src+"/>");
  }); 
});