Look ahead in xslt

Hi,
    I would like to look ahead at the immediate first child to see what
type it is and take some action based on the type. Is this possible.

for eg. I can have

<university>
<college>
    <name/>
    <city/>
</college>
</university>

or

<university>
<ranking>
 <agency/>
</ranking>
</university>

I would like to check if the tag following university is 'college' or
'rank' and take some action like

if(following tag == "college")
    print college name here
else
    do nothing


Regards,
Omprakash.V











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