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

/*addLoadEvent(nameOfSomeFunctionToRunOnPageLoad);  */

/*addLoadEvent(function() {
  var array=document.getElementsByTagName('span');
  for(var i = 0; i < array.length; i++)
  {
     if(array[i].className == 'rss-date')
     {
       var rawDate = array[i].firstChild.nodeValue;
       var parsedDate = new Date(rawDate);
       var month = parsedDate.getMonth() + 1;
       if(month < 10) { month = '0' + month; }
       var day = parsedDate.getDate();
       if(day < 10) { day = '0' + day; }
       rawDate = parsedDate.getFullYear() + '-' + month + '-' + day;
       array[i].firstChild.nodeValue = rawDate;
     }
  }
});*/