function eventsNavigation(element , cnt)
        {
            for(var i=0; i < cnt; i++)
            { 
                document.getElementById('PackagesEvent'+i).className = 'PackagesEventHidden';
            }
            document.getElementById(element).className = 'PackagesEventVisible';
        }
        
    function OffersNavigation(element , cnt)
        {
            for(var i=0; i < cnt; i++)
            { 
                document.getElementById('OffersEvent'+i).className = 'OffersEventHidden';
            }
            document.getElementById(element).className = 'OffersEventVisible';
        }