function check1() {
            var hS = document.getElementById("heightStart").value;
            var hE = document.getElementById("heightEnd").value;
            var pSE = document.getElementById("pointsStartToEnd").value;
            var pES = document.getElementById("pointsEndToStart").value;
            var ok = false;
            $.ajax({
                url:'/admin/checkValues',
                async: false,
                dataType: 'json',
                data: {heightS : hS,
                    heightE : hE,
                    pointSE : pSE,
                    pointES : pES},
                success: function(data) {
                    if (data === true) {
                        ok = true;
                    }
                }
            });
            return ok;
        }