function validateContacts() {


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

 if ( document.getElementById("jobtitle").value == "" )
    {
        alert ( "Please fill in the 'Job Title' box." );
        return false;
    }

 if ( document.getElementById("telephonenumber").value == "" )
    {
        alert ( "Please fill in the 'Telephone' box." );
        return false;
    }

 if ( document.getElementById("companypostcode").value == "" )
    {
        alert ( "Please fill in the 'Postcode' box." );
        return false;
    }
    
   if ( document.getElementById("email").value == "" )
    {
        alert ( "Please fill in the 'Postcode' box." );
        return false;
    }
    
}