gObjectCurrentlyOpened = null;
function UnHide( eThis ) {
    if(gObjectCurrentlyOpened != null) {
        gObjectCurrentlyOpened.parentNode.className = 'cl';
        if( eThis == gObjectCurrentlyOpened ) {
            gObjectCurrentlyOpened = null;
            return;
        }
    }
    
    if(eThis.parentNode.className == 'cl'){
        gObjectCurrentlyOpened = eThis;
        eThis.parentNode.className = '';
    }else{
        eThis.parentNode.className = 'cl';
        gObjectCurrentlyOpened = null;
    }

    return false;
}