function showCallerSnapCallsWindow(auth) {
        callerSnapPopupCenterCS('https://near.place/browsernotifications/callersnap_calls.php?auth=' + auth + '', '', 300, 300);
    }
    function callerSnapPopupCenterCS(url, title, w, h) {

        //alert('open' + url);
        // Fixes dual-screen position                         Most browsers      Firefox
        var dualScreenLeft = window.screenLeft != undefined ? window.screenLeft : screen.left;
        var dualScreenTop = window.screenTop != undefined ? window.screenTop : screen.top;

        var width = window.innerWidth ? window.innerWidth : document.documentElement.clientWidth ? document.documentElement.clientWidth : screen.width;
        var height = window.innerHeight ? window.innerHeight : document.documentElement.clientHeight ? document.documentElement.clientHeight : screen.height;

        var left = ((width / 2) - (w / 2)) + dualScreenLeft;
        var top = ((height / 2) - (h / 2)) + dualScreenTop;
        var newWindow = window.open(url, title, 'scrollbars=no, width=' + w + ', height=' + h + ', top=' + top + ', left=' + left + ',menubar=no' + ',resizable=0,fullscreen=0');

        if (newWindow == null || typeof (newWindow) == 'undefined') {
            alert('Please disable your pop-up blocker and click again.');
        } else {
            newWindow.focus();
        }

    }