function changeMainPic(image, caption, title) {
	document.getElementById('postmainpic').src = '/images/spinner-128x128.gif';
	document.getElementById('postmainpic').src = image;
	document.getElementById('postmaincaption').innerHTML = caption;
	document.getElementById('postmaintitle').innerHTML = title;

	return false;

}

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