function initPage()

{

	var n = document.getElementById("sub-nav");

	if (n)

	{

		var lis = n.getElementsByTagName("li");

		for (var i = 0; i < lis.length; i++)

		{

			var a = lis[i].getElementsByTagName("a").item(0);

			if (a)

			{

				if (lis[i].getElementsByTagName("ul").length)

				{

					a.onclick = function ()

					{

						var p = this.parentNode;

						if (p.className.indexOf("active") != -1)

						{

							p.className = p.className.replace("active", "");

						}

						else

						{

							var _tmp = [];

							_tmp[0] = p;

							var q = 0;

							while( _tmp[q].parentNode != n )

							{

								q++;

								_tmp[q] = _tmp[q-1].parentNode.parentNode;

							}

							for (var j = 0 ; j < lis.length ; j++) if(_q(lis[j], _tmp)) lis[j].className = lis[j].className.replace('active','');

							p.className += " active";

						}

						return false;

					}

				}

				else

				{

					a.onclick = function ()

					{

						var p = this.parentNode.parentNode.getElementsByTagName("li");

						for(var j = 0 ; j< p.length ; j++) p[j].className = p[j].className.replace('active','');

					}

				}

			}

		}

		function _q( k, tmp)

		{

			for( var a = 0 ; a < tmp.length ; a++) 

			{

				if ( k == tmp[a]) 

				{

					return false;

				}

			}

			return true;

		}

	}

}



if (window.addEventListener)

	window.addEventListener("load", initPage, false);

else if (window.attachEvent)

	window.attachEvent("onload", initPage);