Something

method Add(string theList)
 	{
 		if ${UIElement[lstInventory@Items@InvPages@Inventory@Pages@OpenBot].SelectedItem(exists)}
		{
			${theList}List:Add[${UIElement[lstInventory@Items@InvPages@Inventory@Pages@OpenBot].SelectedItem.Text}]
			List:Remove[${UIElement[lstInventory@Items@InvPages@Inventory@Pages@OpenBot].SelectedItem.Text}]
			This:UpdateItemsGUI
		}
		elseif ${UIElement[lstListed@Items@InvPages@Inventory@Pages@OpenBot].SelectedItem(exists)}
		{
			variable string iName = ""
			variable string iList = ""
			variable int TextColor
			TextColor:Set[${UIElement[lstListed@Items@InvPages@Inventory@Pages@OpenBot].SelectedItem.Value}]
			switch ${TextColor}
			{
				case INV_SELL
				iName:Set[${UIElement[lstListed@Items@InvPages@Inventory@Pages@OpenBot].SelectedItem.Text.Mid[7,100]}]
				iList:Set[Sell]
				break
				case INV_KEEP
				iName:Set[${UIElement[lstListed@Items@InvPages@Inventory@Pages@OpenBot].SelectedItem.Text.Mid[7,100]}]
				iList:Set[Keep]
				break
				case INV_MULE
				iName:Set[${UIElement[lstListed@Items@InvPages@Inventory@Pages@OpenBot].SelectedItem.Text.Mid[7,100]}]
				iList:Set[Mule]
				break
				case INV_BANK
				iName:Set[${UIElement[lstListed@Items@InvPages@Inventory@Pages@OpenBot].SelectedItem.Text.Mid[7,100]}]
				iList:Set[Bank]
				break
				case INV_DESTROY
				iName:Set[${UIElement[lstListed@Items@InvPages@Inventory@Pages@OpenBot].SelectedItem.Text.Mid[10,100]}]
				iList:Set[Destroy]
				break
				case INV_OPEN
				iName:Set[${UIElement[lstListed@Items@InvPages@Inventory@Pages@OpenBot].SelectedItem.Text.Mid[7,100]}]
				iList:Set[Open]
				break
			}
			${iList}List:Remove[${iName}]
			${theList}List:Add[${iName}]
			This:UpdateItemsGUI
		}
 	}