The Delete method deletes an item, specified by Index, from the SimpleList object.
SimpleList.Delete(Index)
In the following example (from Clocktower's xt_orderform_delitem.asp file), the Delete method deletes an item from the customer's order form. The index
argument is passed to the xt_orderform_delitem.asp page by the Basket.asp page when the customer clicks the Remove item button:
orderForm.Items.Delete(index)