function captchaCheck()
{
	// Work around a Safari bug
	// that sometimes produces a blank page
	elem = document.getElementById('captcha_flag');
	if (elem)
		setTimeout("captchaCheckBody()", 1);

}

function captchaCheckBody()
{
	elem = document.getElementById('captcha_flag');
	if (elem.innerHTML == '') {
		rnd = Math.random();
		elem.innerHTML = '.';
		imgElem = document.getElementById('captchaImg');
		imgElem.innerHTML = '<img src="/php/securimage_show.php?'+rnd+'">';
	}
	setTimeout("captchaCheckBody()", 500);
}

function reset_image() {
	elem = document.getElementById('captcha_flag');
	elem.innerHTML = '';
	return true;
}