function selectCode(a) {
   var e = a.parentNode.parentNode.getElementsByTagName('CODE')[0];                                             // Get ID of code block
   if (window.getSelection) { var s = window.getSelection();                                                    // Not IE
      if (s.setBaseAndExtent) { s.setBaseAndExtent(e, 0, e, e.innerText.length - 1); }                          // Safari
      else { var r = document.createRange(); r.selectNodeContents(e); s.removeAllRanges(); s.addRange(r); }     // Firefox and Opera
   }
   else if (document.getSelection) { var s = document.getSelection(); var r = document.createRange(); r.selectNodeContents(e); s.removeAllRanges(); s.addRange(r); }    // Some older browsers
   else if (document.selection)    { var r = document.body.createTextRange(); r.moveToElementText(e); r.select(); }     // IE
}

if (s.setBaseAndExtent) { s.setBaseAndExtent(e, 0, e, e.innerText.length - 1); }                          // Safari