WordPress Search Form - Page

<form method="get" id="searchform" class="clearfix" action="<?php echo esc_url( home_url( '/' ) ); ?>">
	<input type="text" class="field" name="s" id="s" value="Search" onblur="if (this.value == ''){this.value = 'Search'; }" onfocus="if (this.value == 'Search') {this.value = ''; }" />
	<input type="submit" class="submit" value="Submit" />
	<input type="hidden" name="post_type" value="page" />
</form>