function setRating(amount)
{
	for(i = 1; i <= 5; i++) {
		className = 'clickable';
		
		if (i <= amount)
			className += ' star1';
		else
			className += ' star2';

		$('star'+i).className = className;
	}
}

function rate(content_id, amount) {
	$('rating').innerHTML = 'lādējas...';
	
	params = {'data[Rating][content_id]': content_id, 'data[Rating][amount]': amount};

	new Ajax.Updater('rating', url+'/ratings/view/'+content_id, { method: 'post', parameters: params });
}