/* Games-Fun.Ru */   
  div.bbCodeName {margin-bottom:3px;}   
  div.codeMessage code {font-size:14px;}   
  /* ============================================================= */

<script type="text/javascript">   
  // Games-Fun.Ru   
  function selectCode(a){   
  var e = a.parentNode.parentNode.getElementsByTagName('code')[0];   
  if (window.getSelection){   
  var s = window.getSelection();   
  if (s.setBaseAndExtent){   
  s.setBaseAndExtent(e, 0, e, e.innerText.length - 1);   
  }else{   
  var r = document.createRange();   
  r.selectNodeContents(e);   
  s.removeAllRanges();   
  s.addRange(r);}   
  }else if (document.getSelection){   
  var s = document.getSelection();   
  var r = document.createRange();   
  r.selectNodeContents(e);   
  s.removeAllRanges();   
  s.addRange(r);   
  }else if (document.selection){   
  var r = document.body.createTextRange();   
  r.moveToElementText(e);   
  r.select();}}   

  codediv=document.getElementsByTagName('div');   
  for(i=0;i<codediv.length;i++){   
  if(codediv[i].className=="bbCodeBlock"){   
  s=codediv[i].innerHTML;   
  s=s.replace('>Code<\/div>','>Код: <a href="#" onclick="selectCode(this); return false;">Выделить всё<\/a><\/div>').replace('<!--uzc-->','<!--uzc--><code>').replace('<!--\/uzc-->','<\/code><!--\/uzc-->');   
  codediv[i].innerHTML=s;}}   
  </script>