function tableSearch(){
            var table, input, tr, td, row_content;
            table = document.getElementById("tableRooms");
            input = document.getElementById("tableRoomSearch").value.toUpperCase();
            tr = table.getElementsByTagName("tr");

            for (let i = 0; i < tr.length; i++) {
                td = tr[i].getElementsByTagName("td")[0];
                if(td){
                    row_content = td.textContent || td.innerText;
                    if (row_content.toUpperCase().indexOf(input) > -1) {
                        tr[i].style.display = "";
                    }
                    else{
                        tr[i].style.display ="none";
                    }
                }
            }
        }