Why you use table.Insted of table use divs.Here i paste the code for that
you want to align the center of <div id="myDiv"></div>
to the center of <span id="mySpan"></span>
write
$("#myDiv").align({left:{my:0.5,at:0.5, selector:'#mySpan'}, top:{my:0.5,at:0.5, selector:'#mySpan'}});