// # Is Email?
function is_email(email){
	var regex = /^[-_.a-z0-9]+@(([-_a-z0-9]+\.)+(ad|ae|aero|af|ag|ai|al|am|an|ao|aq|ar|arpa|as|at|au|aw|az|ba|bb|bd|be|bf|bg|bh|bi|biz|bj|bm|bn|bo|br|bs|bt|bv|bw|by|bz|ca|cc|cd|cf|cg|ch|ci|ck|cl|cm|cn|co|com|coop|cr|cs|cu|cv|cx|cy|cz|de|dj|dk|dm|do|dz|ec|edu|ee|eg|eh|er|es|et|eu|fi|fj|fk|fm|fo|fr|ga|gb|gd|ge|gf|gh|gi|gl|gm|gn|gov|gp|gq|gr|gs|gt|gu|gw|gy|hk|hm|hn|hr|ht|hu|id|ie|il|in|info|int|io|iq|ir|is|it|jm|jo|jp|ke|kg|kh|ki|km|kn|kp|kr|kw|ky|kz|la|lb|lc|li|lk|lr|ls|lt|lu|lv|ly|ma|mc|md|mg|mh|mil|mk|ml|mm|mn|mo|mp|mq|mr|ms|mt|mu|museum|mv|mw|mx|my|mz|na|name|nc|ne|net|nf|ng|ni|nl|no|np|nr|nt|nu|nz|om|org|pa|pe|pf|pg|ph|pk|pl|pm|pn|pr|pro|ps|pt|pw|py|qa|re|ro|ru|rw|sa|sb|sc|sd|se|sg|sh|si|sj|sk|sl|sm|sn|so|sr|st|su|sv|sy|sz|tc|td|tf|tg|th|tj|tk|tm|tn|to|tp|tr|tt|tv|tw|tz|ua|ug|uk|um|us|uy|uz|va|vc|ve|vg|vi|vn|vu|wf|ws|ye|yt|yu|za|zm|zw)|(([0-9][0-9]?|[0-1][0-9][0-9]|[2][0-4][0-9]|[2][5][0-5])\.){3}([0-9][0-9]?|[0-1][0-9][0-9]|[2][0-4][0-9]|[2][5][0-5]))$/i;
	return regex.test(email);
}

function comments(){
	
	var valid = true;
	var err = 0;
	
	// # Name
	if (jQuery.trim($('#name').val()) == ''){ 
		err+=1; valid =false;
		$('#name').addClass('text-error');
	} else {
		$('#name').removeClass('text-error');
	}
	
	// # Email
	if (jQuery.trim($('#email').val()) == ''){ 
		err+=1; valid =false;
		$('#email').addClass('text-error');
	} else if (is_email(jQuery.trim($('#email').val())) == false){ 
		err+=1; valid=false;
		$('#email').addClass('text-error');
	} else {
		$('#email').removeClass('text-error');
	}
	
	// # Comment
	if (jQuery.trim($('#comment').val()) == ''){ 
		err+=1; valid =false;
		$('#comment').addClass('error');
	} else {
		$('#comment').removeClass('error');
	}
	
	// # Answer
	// # Must be '9'
	if (jQuery.trim($('#answer').val()) != '9'){ 
		err+=1; valid =false;
		$('#answer').addClass('text-error');
	} else {
		$('#answer').removeClass('text-error');
	}
	
	// # Valid?
	if(valid == true){
		// # Submitting registration
		$('#submit-button').hide();
		$('#submitting').show();
		$("#submit-error").hide();
	} else {
		var msg = '';
		if (err <= 1){
			msg = "Please fix the error above.";
		} else {
			msg = "Please fix the " + err + " errors above.";
		}
		$("#submit-error").html(msg);
	}
	return valid;
}
$(document).ready(function(){
	// # Do nothing
});