Apply style to table row when link is clicked

OK what i have is th HTML document and a CSS document.

I have a table with several rows.  Each cell has a link in it, what i want is, that when any of the links in the same row are clicked i want it to apply some sort of style to it in which will change the height of the row.  e.g.

Table

Row1   Row1   Row1
Row2   Row2   Row2
Row 3   Row3   Row3

The above being the table, when any of the links in row1 are clicked the height of that row changes.  
I was thinking about using the onclick and applying a style to it....but i waasnt sure how to do that?

Cheers
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