to extract the longest string (fwd)

["C.V. Radhakrishnan" <cvr at md2 dot vsnl dot net dot in>]

I have the following xml

I want to concatnate the 'align' attributes of the <col> under each 
<row>  into  separate strings and after that I want to extract the
lengthiest of the strings.

For example first <col> attributes gives "ll"
	    second <col> attribute gives  "ccc"
	    third <col> attribute gives "rrrr"
						
I must get "rrrr" as the output since that is the lengthiest of the
three string.

I hope someone will help me with an XSL script.

<?xml version="1.0"?>
<table>
<row>
	<col align="l"/>
	<col align="l"/>
</row>
<row>
	<col align="c"/>
	<col align="c"/>
	<col align="c"/>
</row>
<row>
	<col align="r"/>
	<col align="r"/>
	<col align="r"/>
	<col align="r"/>
</row>
</table>

Thanks in advance.

Rajagopal





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