A method of treating psychosis in a patient which comprises administering a pharmaceutical composition useful in treating psychosis containing a therapeutically effective amount of 1-piperidinylmethyl-2,3-dihydroimidazo1,2-cquinazolin-5-one as an active ingredient. A selective etchant is introduced through the opening, where the etchant selectively etches an interior metal layer of the multilayer sheet of material compared with the first and second outer layers. Specifically, ramp moisture andor silane content are factors that are adjusted to achieve the results of the disclosed method. The instructions are accessed and execution begins by instruction execution within a graphics processor. The method includes modifying the document configuration while satisfying the set of document configuration constraints to minimize the change in the look and feel of the document.