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One or more patents may apply to this web site, including without limitation: US Patent Nos. 5,528,490; 5,761,649; 6,029,142; 6,330,592; 5,717,860; 5,712,979; 5,819,285; and 5,812,769.One or more patents may apply to this web site, including without limitation: US Patent Nos. 5,528,490; 5,761,649; 6,029,142; 6,330,592; 5,717,860; 5,712,979; 5,819,285; and 5,812,769.