// JavaScript Document



function addFriends()
{
	if (document.friends == null) document.friends = 5;
	
	document.friends += 5;
	
	for (var i = 0; i < document.friends; i++)
	{
		document.getElementById('friend' + i).style.display = '';	
	}
}



function validateSendInvitesForm()
{
	var error = '';
	
	if (document.getElementById('dataSendInvitesYourName').value == '')
	{
		error = 'Please enter your name';
	}
	else
	if (document.getElementById('dataSendInvitesYourEmail').value == '')
	{
		error = 'Please enter your email address';
	}
	else
	if (document.getElementById('dataSendInvitesPartyDate').value == '')
	{
		error = 'Please enter the date of your party';
	}
	else
	if (document.getElementById('dataSendInvitesPartyReference').value == '')
	{
		error = 'Please enter your party reference';
	}
	
	if (error != '')
	{
		alert(error);
		return false;
	}
	
	return true;
	
}



function panoramaPopup() {
  window.open('http://www.thechicagoribshack.co.uk/images/gallery/360/upstairs.mov','panoramaWindow','width=648,height=400');
}