// xGetElementsByClassName, Copyright 2001-2005 Michael Foster
// Part of X, a Cross-Browser Javascript Library, Distributed under the terms of the GNU LGPL
function xGetElementsByTagName(t,p)
{
  var list = null;  t = t || '*'; p = p || document;
////
  if (p.getElementsByTagName) { // DOM1
    list = p.getElementsByTagName(t);
    if (t=='*' && (!list || !list.length)) list = p.all; // IE5 '*' bug
  }
  else { // IE4 object model
    if (t=='*') list = p.all;
    else if (p.all && p.all.tags) list = p.all.tags(t);
  }
////
  return list || new Array();
}

function xGetElementsByClassName(c,p,t,f)
{
  var found = new Array();var re = new RegExp('\\b'+c+'\\b', 'i');
  var list = xGetElementsByTagName(t, p);
  for (var i = 0; i < list.length; ++i) {
    if (list[i].className && list[i].className.search(re) != -1) {
      found[found.length] = list[i];
      if (f) f(list[i]);
    }
  }
  return found;
}