Function is_NewsType

Checks what type the current news item is (See get NewsType())

Parameters summary
`string`	`$type`	<p>The type to check for "news" for a news article or if using the CombiNews feature "flvmovie" (for flv, fla, mp3, m4a and mp4/m4v), "image", "3gpmovie" or "quicktime"</p>
`obj`	`$newsobj = NULL`	optional news object to check directly outside news context

Return value summary
`boolean`	bool