<tr data-line="{$key}" data-order="{$counter}">
<td class="center"><input type="checkbox" name="{$key}" id="{$key}" checked="checked"></td>
<td class="center">
- <a href="#"
+ <a href="#" class="arrow"
onclick="return orderUp(this.parentNode.parentNode.getAttribute('data-order'));">
▲
</a>
- <a href="#"
+ <a href="#" class="arrow"
onclick="return orderDown(this.parentNode.parentNode.getAttribute('data-order'));">
▼
</a>