<select id="block_id" name="block_id" class="irInput" onchange="showBlockContent(this.value)">
        <option value="0" selected="selected">Please select block to modify</option>
    {section name=block_list loop=$block_list}
    <option value="{$block_list[block_list].block_id}">- {$block_list[block_list].block_heading}</option>
    {/section}
    </select> <span class="text_btn"><img src="images/icons/package_add.png" title="Create new block" alt="Create new block" align="absmiddle"/> <a href="javascript:showBlockContent(0);">Create new block</a></span>
    

<form action="manage_content_blocks.php" method="post">
<div id="content_box">
{include file="show_block_content.tpl"}
</div>
</form>