function ReNewCaptcha(captchaKey, captchaHeight)
{	
	if (document.images['captcha'] != undefined)
	{
		var antiCache = Math.floor(Math.random()*100000);
		document.images['captcha'].src = "/captcha.php?get_captcha=" + captchaKey + "&height=" + captchaHeight + "&anc=" + antiCache;
	}
}