function getBrowser() {
        let chromeCheck = /Chrome/.test(navigator.userAgent) && /Google Inc/.test(navigator.vendor);
        let firefoxCheck = /Firefox/.test(navigator.userAgent);
        let ieCheck = /Edg/.test(navigator.userAgent);

        if (chromeCheck && !ieCheck)
        {
            //alert("Chrome");
            return true;
        } 
        else if (firefoxCheck)
        {
            //alert("Firefox");
            return false;
        } 
        else if (ieCheck)
        {
            //alert("Edge.");
            return false;
        }
        else
        {
            //alert("None");
            return false;
        }
    }

    //ADMIN
    function Admin() { 
        var GetMac = LAN_MAC.split(":");
        var Mac = GetMac[3] + GetMac[4] + GetMac[5];
        window.open("/admin/aindex.asp",Mac,"width=910,height=700,top=0,left=0,status=yes,resizable"); 
    }

    //PTZ
    $(function() {
        $("#id_PtzSpeedSlider").slider({
            value:10,
            min: 1,
            max: 16,
            step: 1,
            slide: function( event, ui ) {
                $( "#id_PtzSpeed" ).val( ui.value );
            }
        });
        $( "#id_PtzSpeed" ).val( $( "#id_PtzSpeedSlider" ).slider( "value" ) );
    });

    $(function() {
        $("#PtzModeCont").mouseover(function() {
            $("#PtzModeCont").attr("src", "/img/websocket/ContinuousOver.gif");
        });
        $("#PtzModeCont").mouseout(function() {
            if (PTZ_MOVE_MODE == 1)
            {
                $("#PtzModeCont").attr("src", "/img/websocket/ContinuousClick.gif");  
            }
            else
            {
                $("#PtzModeCont").attr("src", "/img/websocket/Continuous.gif");
            }
        });
        $("#PtzModeCont").mousedown(function() {
            $("#PtzModeCont").attr("src", "/img/websocket/ContinuousClick.gif");
        });
        $("#PtzModeCont").click(function() {
            if (PTZ_MOVE_MODE == 0)
            {
                PTZ_MOVE_MODE = 1;
                $("#PtzModeCont").attr("src", "/img/websocket/ContinuousClick.gif");
                $("#PtzModeStep").attr("src", "/img/websocket/Step.gif");
            }
        });
    });

    $(function() {
        $("#PtzModeStep").mouseover(function() {
            $("#PtzModeStep").attr("src", "/img/websocket/StepOver.gif");
        });
        $("#PtzModeStep").mouseout(function() {
            if (PTZ_MOVE_MODE == 0)
            {
                $("#PtzModeStep").attr("src", "/img/websocket/StepClick.gif");
            }
            else
            {
                $("#PtzModeStep").attr("src", "/img/websocket/Step.gif");
            }
        });
        $("#PtzModeStep").mousedown(function() {
            $("#PtzModeStep").attr("src", "/img/websocket/StepClick.gif");
        });
        $("#PtzModeStep").click(function() {
            if (PTZ_MOVE_MODE == 1)
            {
                PTZ_MOVE_MODE = 0;
                $("#PtzModeStep").attr("src", "/img/websocket/StepClick.gif");
                $("#PtzModeCont").attr("src", "/img/websocket/Continuous.gif");
            }
        });
    });

   
	function ChgPtzFuncExpand() {
		with( document.all ) {
            if (PtzSelectNum.style.display == "none")
            {
                PtzSelectNum.style.display = "";
                PtzFuncMenu.style.display = "";
                toPtzFuncExpand.value = "\u25B2";
            }
            else
            {
                PtzSelectNum.style.display = "none";
                PtzFuncMenu.style.display = "none";
                toPtzFuncExpand.value = "\u25BC";
            }
        }
	}

    $(function() {
        $("#PtzOnClose").mouseover(function() {
            $("#PtzOnClose").attr("src", "/img/websocket/MainToolbarImage_ptz_O.gif");
        });
        $("#PtzOnClose").mouseout(function() {
            if ($("#PtzOnClose").val() == "0")
            {
                $("#PtzOnClose").attr("src", "/img/websocket/MainToolbarImage_ptz.gif");
            }
            else
            {
                $("#PtzOnClose").attr("src", "/img/websocket/MainToolbarImage_ptz_C.gif");
            }
        });
        $("#PtzOnClose").mousedown(function() {
            $("#PtzOnClose").attr("src", "/img/websocket/MainToolbarImage_ptz_C.gif");
        });
        $("#PtzOnClose").click(function() {
            if ($("#PtzOnClose").val() == "0")
            {
                $("#PtzOnClose").val(1);
                $("#PtzOnClose").attr("src", "/img/websocket/MainToolbarImage_ptz_C.gif");
                $("#ControlMenu").css("display", "");   
            }
            else
            {
                $("#PtzOnClose").val(0);
                $("#PtzOnClose").attr("src", "/img/websocket/MainToolbarImage_ptz.gif");
                $("#ControlMenu").css("display", "none");
            }

            ViewerResize();
        });
    });