readMore=function(dom_id)
{
    div=document.getElementById(dom_id);
//     arrow=document.getElementById('more-customer-info-arrow');
    if(Element.visible(div))
    {
        new Effect.BlindUp(div,{duration: 0.25});
//         arrow.src='/images/arrow_hidden.gif';
    }
    else
    {
        new Effect.BlindDown(div,{duration: 0.25});
//         arrow.src='/images/arrow_shown.gif';
    }
}