function download(id) {
	new Ajax.Updater({ success: 'dl-callback', failure: 'dl-failure' }, '/sites/links.callback.php', {
		method: 'post',	parameters: { id: id, captcha: encodeURIComponent($("captcha_string").value) },

		onCreate: function() {
			$('dl-notice').innerHTML = '<img src="/assets/images/ajax.loader.gif" alt="loading.."> Loading.. Please wait!';
		},
		onComplete: function(transport) {
			/*alert('Please try it again!');*/

			if (transport.responseText == '') {
				$('dl-notice').innerHTML = 'Please try it again!';
			} else {
				$('dl-notice').innerHTML = '';
			}

		}
	});
}
function reloadCaptcha(captcha_id) {
	var randomnumber = Math.floor(0+(10-0+1)*(Math.random()));
	$(captcha_id).src = 'assets/captcha.php?time=' + randomnumber;
}