CPackageSelectStructure::WizSortUp

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

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

				for (var i = 0; i < items.length; i++)
				{
					if (items[i].checked)
					{
						var li = items[i].parentNode;
						if (li.previousSibling)
						{
							var newItem = li.parentNode.insertBefore(li, li.previousSibling);
							newItem.childNodes[0].checked = true;
						}
					}

				}
			}