Reset the loop after you've hijacked it

wp_reset_query.php

/**
 * Go ahead. Do your fancy shit
 */
$your_query = new WP_query( 'post_type' => 'your_cool_post_type' );
while( $your_query->have_posts() ) {
	$your_query->the_post();

	/**
	 * Look at your cool template function.
	 * That looks just like my template function.
	 * Oh, that's because it is. Now my page's
	 * the_title() is your post's the_title().
	 */
	the_title();
}

/**
 * You can give me back my the_title() like this.
 */
wp_reset_query();

/**
 * Thanks dude.
 */