function show_related_products(page, current_product_id, type, group_id) {
	new Jument.ajax({
		url: '/ajax/store/related_products_get_page',
		options: {
			parameters: 'page='+page+'&current_product_id='+current_product_id+'&type='+type+'&group_id='+group_id
		}
	});
}

function email_to_friend(product_id) {
	var error_message = '';
	
	var your_name = $F('your_name');
	var friends_name = $F('friends_name');
	var friends_email = $F('friends_email');
	var message = $F('message');
	
	
	if (your_name == 'Your name' || your_name.length == 0)
		error_message = 'Please provide your name!';
	else if (friends_name == 'Friends name' || friends_name.length == 0)
		error_message = "Please provide your friend's name!";
	else if (friends_email == 'Friends email' || friends_email.length == 0)
		error_message = "Please provide your friend's email address!";
	else if (!validate_email(friends_email))
		error_message = "Friend's email address is invalid.";
	
	if (error_message.length == 0) {
		new Jument.ajax({
			url: '/ajax/store/email_friend/',
			options: {
				parameters: 'product_id='+product_id+'&friends_email='+friends_email+'&friends_name='+friends_name+'&your_name='+your_name+'&message='+message
			}
		});
		$('email_response').className = '';
		$('email_response').innerHTML = 'Your email has been sent!';
		$('email_response').setStyle('display: block;');
		
		$('friends_name').value = 'Friends name';
		$('friends_email').value = 'Friends email';
		$('message').value = 'Special Message';
	}
	else {
		$('email_response').className = 'error';
		$('email_response').innerHTML = error_message;
		$('email_response').setStyle('display: block;');
	}
}