View file autoload/captcha.php

<?php


function captcha() {

	?>
	<script>
	function captcha_reload() {
		document.getElementById('captcha').src = "/utils/captcha.php?" + Math.random();
	}
	</script>
	<?php

	echo '<img id="captcha" src="'. URL .'/utils/captcha.php" alt="captcha" /><br />
	<a href="javascript:captcha_reload();">Обновить картинку</a><br />';
}

?>