> try this > > function isEven($x){if($x%2==0){return true;}else{return false;}} > $oddeven=1; > > print "<tr class=\""; > if(isEven($oddeven){print "even";}else{print "odd";})$oddeven++ > print "\"><td>"; I would say: print "<tr class=\""; print ($oddeven%2) ? "odd" : "even"; $oddeven++; print "\"><td>"; :) F