Product sort by PRICE - LOW TO HIGH AND HIGH TO LOW
Please go to /app/design/frontend/default/your-theme/template/catalog/product/list/toolbar.phtml file and find the following code
<option value="<?php echo $this->getOrderUrl($_key, 'asc') ?>"<?php if($this->isOrderCurrent($_key)): ?> selected="selected"<?php endif; ?>>
<?php echo $this->__($_order) ?>
</option>
Replace the following code
<?php if ($_order != 'Price'): ?>
<option value="<?php echo $this->getOrderUrl($_key, 'asc') ?>"<?php if($this->isOrderCurrent($_key)): ?> selected="selected"<?php endif; ?>>
<?php echo $this->__($_order) ?>
</option>
<?php else: ?>
<option value="<?php echo $this->getOrderUrl($_key, 'asc') ?>"<?php if($this->isOrderCurrent($_key) && $this->getCurrentDirection() == 'asc'): ?> selected="selected"<?php endif; ?>>
<?php echo $this->__($_order) . ': Low to High' ?>
</option>
<option value="<?php echo $this->getOrderUrl($_key, 'desc') ?>"<?php if($this->isOrderCurrent($_key) && $this->getCurrentDirection() == 'desc'): ?> selected="selected"<?php endif; ?>>
<?php echo $this->__($_order) . ': High to Low' ?>
</option>
<?php endif; ?>
Please go to /app/design/frontend/default/your-theme/template/catalog/product/list/toolbar.phtml file and find the following code
<option value="<?php echo $this->getOrderUrl($_key, 'asc') ?>"<?php if($this->isOrderCurrent($_key)): ?> selected="selected"<?php endif; ?>>
<?php echo $this->__($_order) ?>
</option>
Replace the following code
<?php if ($_order != 'Price'): ?>
<option value="<?php echo $this->getOrderUrl($_key, 'asc') ?>"<?php if($this->isOrderCurrent($_key)): ?> selected="selected"<?php endif; ?>>
<?php echo $this->__($_order) ?>
</option>
<?php else: ?>
<option value="<?php echo $this->getOrderUrl($_key, 'asc') ?>"<?php if($this->isOrderCurrent($_key) && $this->getCurrentDirection() == 'asc'): ?> selected="selected"<?php endif; ?>>
<?php echo $this->__($_order) . ': Low to High' ?>
</option>
<option value="<?php echo $this->getOrderUrl($_key, 'desc') ?>"<?php if($this->isOrderCurrent($_key) && $this->getCurrentDirection() == 'desc'): ?> selected="selected"<?php endif; ?>>
<?php echo $this->__($_order) . ': High to Low' ?>
</option>
<?php endif; ?>