NS_METHOD NamedItem(const nsString& aName, nsIDOMMimeType** aReturn)
NS_METHOD NamedItem(const nsAReadableString& aName, nsIDOMMimeType** aReturn)
	NS_METHOD NamedItem(const nsString& aName, nsIDOMMimeType** aReturn)	{		for (int index = mPluginTag.mVariants - 1; index >= 0; --index) {			if (aName.EqualsWithConversion(mPluginTag.mMimeTypeArray[index]))				return Item(index, aReturn);		}		return NS_OK;	}