var exampleSocket;
    var firstMsg = true;
    var textBoxArr = [];
    var SelBranchVal = "";
    var connectedToServer = false;
    var date = Date.now();
    var msg ="";
            
        
        function WebSocketTest()
        {   
                
            if ("WebSocket" in window)
            {
                if(!connectedToServer)
                    {
                        var ipadresse=document.getElementById("ipadresse").value;
                        console.log("ipadresse="+ipadresse);
                        exampleSocket = new WebSocket("ws://"+ipadresse);
                        connectedToServer = true;
                    }
                exampleSocket.onopen = function()
                {
                    document.getElementById("Serverconnect").innerHTML = "Server: connected";
                    document.getElementById("Serverconnect").style.color = "green"
                };
                
                exampleSocket.onmessage = function (event) 
                { 
                    msg = JSON.parse(event.data);
                    console.log("onmessage:"+msg.type);
                    
                    switch(msg.type) {
                        
                            case "WlsConnectionState":
                                console.log("WlsConnectionState");
                                if(msg.data["connected"] == "false")
                                {
                                    document.getElementById("Wlsconnect").innerHTML = "Wls: not connected";
                                    document.getElementById("Wlsconnect").style.color = "red";
                                }
                                else
                                {
                                    document.getElementById("Wlsconnect").innerHTML = "Wls: connected";
                                    document.getElementById("Wlsconnect").style.color = "green";
                                }
                                break;                            
                                default:
                                break;
                        }
                    };
                    
                    exampleSocket.onclose = function()
                    { 
                        // websocket is closed.
                        document.getElementById("Serverconnect").innerHTML = "Server: not connected";
                        document.getElementById("Serverconnect").style.color = "red";
                        
                        document.getElementById("Wlsconnect").innerHTML = "Wls: not connected";
                        document.getElementById("Wlsconnect").style.color = "red";
                        
                        connectedToServer = false;
                        alert("Connection to Server closed.");
                    };
                }
                
                else
                {
                // The browser doesn't support WebSocket
                alert("WebSocket is NOT supported by your Browser!");
                }
                updateUnix();
            }
            
            function takeAndSendParams(){           //get parameter out of formular ad send
                
                var type = document.getElementById("type").value;
                var equipmentNumber = Number(document.getElementById("equipmentnumber").value);
                var lat = Number(document.getElementById("latitude").value);
                var lon = Number(document.getElementById("longitude").value);
                var z = Number(document.getElementById("height").value);
                var moutAreaId = Number(document.getElementById("areaID").value);
                var moutRoomId = Number(document.getElementById("roomID").value);
                var moutObjectId = Number(document.getElementById("objectID").value);
                var timestamp = Number(document.getElementById("timestamp").value);
                
                
                var jsonMsg = JSON.stringify({              //make JSON-string from the data
                    data:{
                        equipmentNumber: equipmentNumber,
                        lat: lat,
                        lon: lon,
                        moutAreaId: moutAreaId,
                        moutObjectId: moutObjectId,
                        moutRoomId: moutRoomId,
                        timestamp: timestamp,
                        z: z
                    },
                    type: type
                });
                
                exampleSocket.send(jsonMsg);        //send the JSON telegram
            }
            
            function updateUnix(){              //update timestamp
                date = Date.now();
                document.getElementById("timestamp").value= date;
            }