on = false;

function toggleAdLayer(name) {

	if(!on) {

		document.getElementById('pic').src = 'images/ads/' + name;

		document.getElementById('overlay2').style.display = 'block';

		on = true;

	}else {

		document.getElementById('overlay2').style.display = 'none';

		document.getElementById('pic').src = '';

		on = false;

	}

}

function reset_captcha() {
	a = 1 + 44*(Math.random());
	a = Math.round(a);

	document.getElementById('cap_reset').src = "captcha.php?" + a;	
}