function toggleSectionHeaderInner(ID) {
    var imgExpandCollapse = document.getElementById(ID + '_imgExpandCollapse');
    var isCollapsed = document.getElementById(ID + '_IsCollapsed');
    var targetID = document.getElementById(ID + '_TargetID');

    if (imgExpandCollapse && isCollapsed && targetID) {
        imgExpandCollapse.src = '/controlPanel/images/icons/' + (isCollapsed.value == '1' ? 'collapse' : 'expand') + '.gif';
        if (targetID.value != '') document.getElementById(targetID.value).style.display = (isCollapsed.value == '1' ? '' : 'none');
        isCollapsed.value = (isCollapsed.value == '1' ? '0' : '1');
    }
}