function accordionClassChange(header)
{ 
    if(String(header.className).indexOf('openedBar') >= 0) { 
        var contentDiv = header.nextSibling;
        while (contentDiv != null) { 
            if (contentDiv.tagName == 'DIV') {
                if (contentDiv.style.height != '0px'){
                    header.className = 'accordionBar closedBar';
                }
                break;
            }
            contentDiv = contentDiv.nextSibling;
        }        
    } 
    else if (String(header.className).indexOf('closedBar') >= 0){
        header.className = 'accordionBar openedBar';
    }
}