FUNCTION fGetUrlFrameImg

Returns the URL for a JPG image of the frame

returns http://localhost/en/get/frameById.asp?id=568688299147264
where localhost is filled in from SiteConstants.WebServerURL.
@zoom is an integer from (0,10,15,20,30) corresponding to a rescaling of 2^(0.1*@zoom)
sample:
select dbo.fGetUrlSpecImg(568688299147264,10)
see also fGetUrlFrame

Input and output parameters

name type length inout pnum

@zoom int 4 input 2

@frameId bigint 8 input 1

varchar 256 input 0

name	type	length	inout	pnum
@zoom	int	4	input	2
@frameId	bigint	8	input	1
	varchar	256	input	0