function validate( firstname, lastname, email ) {

    
	if ( firstname.value == "First Name" )
	{
		alert("First Name must be valid");
		return false;		
	}
	if ( lastname.value == "Last Name" )
	{
		alert("Last Name must be valid");
		return false;		
	}
	
	if ( email.value == "Email" )
	{
		alert("Email be valid");
		return false;		
	}
	

	myLightbox.start( document.getElementById( 'submit_link' ) );
	return true;
}