CPackageSelectStructure::WizSortDown

function WizSortDown()
			{
				var source = document.getElementById("site-tree");
				if (!source)
					return;

				var items = source.getElementsByTagName("INPUT");

				for (var i = items.length - 1; i >= 0; i--)
				{
					if (items[i].checked)
					{
						var li = items[i].parentNode;

						if (li.nextSibling)
						{
							if (li.nextSibling.nextSibling)
								var newItem = li.parentNode.insertBefore(li, li.nextSibling.nextSibling);
							else
								var newItem = li.parentNode.appendChild(li);

							newItem.childNodes[0].checked = true;
						}
					}
				}
			}