just change:
<?php echo(($row_MaxMinPrice["MaxPrice"] != $row_MaxMinPrice["MinPrice"])?" - " . $WAGLOBAL_CurrencySymbol . number_format($row_MaxMinPrice["MaxPrice"],2):""); ?>
to:
<?php echo($WAGLOBAL_CurrencySymbol . number_format($row_MaxMinPrice["MaxPrice"],2):""); ?>