function showhide(id, action) {
    if (document.getElementById(id)) {
        if (action == 'show') {

            document.getElementById(id).style.display = 'block';

        }
        if (action == 'hide') {
            document.getElementById(id).style.display = 'none';
        }
    }
}
function changeimage(id, action, imageurl) {
    
    if (document.getElementById(id)) {
        if (action == 'show') {
            
            //showhide(id, action);
            document.getElementById(id).src = imageurl;
            //document.getElementById(id).alt
            //document.getElementById(id).title

        }
        if (action == 'hide') {
            //showhide(id, action);
            document.getElementById(id).src = 'images/amenity_pictures/lake_view.jpg';
            //document.getElementById(id).alt
            //document.getElementById(id).title
        }
    }

}