// JavaScript Document

function validate()
	{
		var firstname_msg = "Please enter your first name";
		var lastname_msg = "Please enter your last name";
		var email_msg = "Please enter an email address.";
		var phone_msg = "Please enter your phone number.";
		
		with ( document.forms[0] )
		{
			

			if ( firstName.value == "" )
			{
				alert(firstname_msg);
				firstName.select();
				firstName.focus();
				return(false);				
			}
			
			
			if ( lastName.value == "" )
			{
				alert(lastname_msg);
				lastName.select();
				lastName.focus();
				return(false);				
			}
			
			if ( email.value == "" )
			{
				alert(email_msg);
				email.select();
				email.focus();
				return(false);				
			}

			
			if ( phoneNumber.value == "" )
			{
				alert(phone_msg);
				phoneNumber.select();
				phoneNumber.focus();
				return(false);				
			}		
			
		}		
		return(true);
}