StoutFiles - 12:18 pm on May 23, 2012 (gmt 0)

Are the tables static? If they are generated dynamically you can just have a counter as you populate rows, switching back and forth on odd and even numbers.

while(table_populates)
{

if($odd)
$color = "white";
else
$color= "gray";

echo '<tr style="background-color:'.$color.';">';

}