How I know the Width and Heigth of a image

Hi anybody knows how can I know the width and height of a image when it is upload ?

for example we can know the name of the attachment with the function

@AttachmentNames

and the length with

@AttachmentLengths

thanks

Subject: How I know the Width and Heigth of a image

I do not think Formula language can do what you are asking for. I know it is possible to do this in Java, I think JavaScript and LotusScript

Subject: RE: How I know the Width and Heigth of a image

Thanks but someone know how can do ti with some of this languages

Subject: RE: How I know the Width and Heigth of a image

please educate me please