function checkSignin()
{

	var form     = document.getElementById('formattendee');
	var strAlert = '';

	/*
	if( document.formattendee.regfrom != null && document.formattendee.regfrom.selectedIndex == 0 )
	{
		strAlert += '-  I am registering because I received a\n';
	}
	*/
	
	if( document.formattendee.email != null )
	{
		if (document.formattendee.email.value == '') {strAlert += '- Email\n';}
	
		if (document.formattendee.password.value == '') {strAlert += '- Password\n';}
		if (document.formattendee.password.value != '')
		{
			if (document.formattendee.repassword.value != document.formattendee.password.value)
			{
				strAlert += '- Passwords do not match\n';
			}
		}
	
	}
	
	if (document.formattendee.company.value == '') {strAlert += '- Company\n';}
	if (document.formattendee.firstname.value == '') {strAlert += '- First Name\n';}
	if (document.formattendee.lastname.value == '') {strAlert += '- Last Name\n';}
	if (document.formattendee.title.value == '') {strAlert += '- Title\n';}

	if (document.formattendee.phone.value == '') {strAlert += '- Telephone\n';}
	
	if (strAlert != '') {
		strAlert = 'We will need the following information to continue:\n' + strAlert;
		window.alert(strAlert);
		return false;
	}
}