function validate_form1 ( )
{
	valid = true;

        if ( document.contactform.name.value == "" )
        {
                alert ( "Please fill in the 'Name' box." );
                valid = false;
        }

        if ( document.contactform.organisation.value == "" )
        {
                alert ( "Please fill in the 'Organisation' box." );
                valid = false;
        }
		
		 if ( document.contactform.email.value == "" )
        {
                alert ( "Please fill in the 'Email' box." );
                valid = false;
        }
        return valid;
}