function getElementsByStyleClass(className)
{
  var all = document.all ? document.all :
    document.getElementsByTagName('*');
  var elements = new Array();
  for (var e = 0; e < all.length; e++)
    if (all[e].className == className)
      elements[elements.length] = all[e];
  return elements;
}

function autotab(original, destination)
{
	if (original.getAttribute && original.value.length == original.getAttribute('maxlength'))
	{
		destination.focus();
	}
}

function change_text(changee, oldText, newText) {
	//changes text in source element
	var elementToChange = document.getElementById(changee);
	elementToChange.innerHTML = (elementToChange.innerHTML == oldText) ? newText : oldText;
}