function robs_addLoadEvent(func) {
  var oldonload = window.onload;
  if (typeof window.onload != 'function') {
    window.onload = func;
  }
  else {
    window.onload = function() {
      if (oldonload) oldonload();
      func();
  	  }
  }
}

function robs_styleAbbr() {
  var oldBodyText, newBodyText, reg
  if (document.all) { //browser is IE
    oldBodyText = document.body.innerHTML;
    reg = /<ABBR([^>]*)>([^<]*)<\/ABBR>/g;
    newBodyText = oldBodyText.replace(reg, '<ABBR $1><SPAN class=\"abbr\" $1>$2</SPAN></ABBR>');
    document.body.innerHTML = newBodyText;
  }
}

robs_addLoadEvent(robs_styleAbbr);