form for event search

<form action="<?php bloginfo('url'); ?>/" method="GET">
<span class="em-events-search-dates">
Search Events by Date:

<label><?php _e('Date') ?></label>
<?php _e('From:') ?>
<input type="text" class="ghes_text_small ghes_datepicker" name="s" >
<input type="hidden" id="<?php echo $start ?>" name="search" value="<?php echo $start ?>">

<?php _e('To:') ?> <input type="text" class="ghes_text_small ghes_datepicker"  name="s" >
<input type="hidden" id="<?php echo $end ?>" name="search" value="<?php echo $end ?>">
<input type="hidden" name="_wpnonce" value="<?php echo wp_create_nonce('search_events'); ?>" />
		<input type="submit" value="<?php _e('Search','ghes'); ?>" class="em-events-search-submit" />
</span>
</form>