That error means the following code is duplicated on the page:
<?php
//WA AltClass Iterator
class WA_AltClassIterator {
var $DisplayIndex;
var $DisplayArray;
function WA_AltClassIterator($theDisplayArray = array(1)) {
$this->ClassCounter = 0;
$this->ClassArray = $theDisplayArray;
}
function getClass($incrementClass) {
if (sizeof($this->ClassArray) == 0) return "";
if ($incrementClass) {
if ($this->ClassCounter >= sizeof($this->ClassArray)) $this->ClassCounter = 0;
$this->ClassCounter++;
}
if ($this->ClassCounter > 0)
return $this->ClassArray[$this->ClassCounter-1];
else
return $this->ClassArray[0];
}
}
?>
The second instance of that code can be deleted.