// <![CDATA[
/*------------------------------------------------------------------------------
Excerpts from the jsUtilities Library
Version:        2.1
Homepage:       http://www.easy-designs.net/code/jsUtilities/
License:        Creative Commons Attribution-ShareAlike 2.0 License
				http://creativecommons.org/licenses/by-sa/2.0/
Note:           If you change or improve on this script, please let us know.
------------------------------------------------------------------------------*/
if(Array.prototype.push == null) {
  Array.prototype.push = function(item) {
	this[this.length] = item;
	return this.length;
  };
};
// ---------------------------------------------------------------------
//                  function.apply (if unsupported)
//           Courtesy of Aaron Boodman - http://youngpup.net
// ---------------------------------------------------------------------
if (!Function.prototype.apply) {
  Function.prototype.apply = function(oScope, args) {
	var sarg = [];
	var rtrn, call;
	if (!oScope) oScope = window;
	if (!args) args = [];
	for (var i = 0; i < args.length; i++) {
	  sarg[i] = "args["+i+"]";
	};
	call = "oScope.__applyTemp__(" + sarg.join(",") + ");";
	oScope.__applyTemp__ = this;
	rtrn = eval(call);
	oScope.__applyTemp__ = null;
	return rtrn;
  };
};
function inArray(needle) {
  for (var i=0; i < this.length; i++) {
	if (this[i] === needle) {
	  return i;
	}
  }
  return false;
}
function addClass(theClass) {
  if (this.className != '') {
	this.className += ' ' + theClass;
  } else {
	this.className = theClass;
  }
}
function lastChildContainingText() {
  var testChild = this.lastChild;
  var contentCntnr = ['p','li','dd'];
  while (testChild.nodeType != 1) {
	testChild = testChild.previousSibling;
  } 
  var tag = testChild.tagName.toLowerCase();
  var tagInArr = inArray.apply(contentCntnr, [tag]);
  if (!tagInArr && tagInArr!==0) {
	testChild = lastChildContainingText.apply(testChild);
  }
  return testChild;
}
// ]]>