$(document).ready(function () {

    $(document).keydown(function (event) {
        //19 for Mac Command+S
        if (!(String.fromCharCode(event.which).toLowerCase() == 's' && event.altKey) && !(event.which == 19))
            return true;
        //alert("Ctrl-s pressed");
        $("#submit").click();
        event.preventDefault();
        return false;
    });
    
    $(document).keydown(function (event) {
        //19 for Mac Command+S
        if (!(String.fromCharCode(event.which).toLowerCase() == 'a' && event.altKey) && !(event.which == 19))
            return true;
        //alert("Ctrl-s pressed");
        $("#add").click();
        event.preventDefault();
        return false;
    });
    
    $(document).keydown(function (event) {
        //19 for Mac Command+S
        if (!(String.fromCharCode(event.which).toLowerCase() == 'c' && event.altKey) && !(event.which == 19))
            return true;
        //alert("Ctrl-s pressed");
        $("#cancel").click();
        event.preventDefault();
        return false;
    });
    
    $(document).keydown(function (event) {
        //19 for Mac Command+S
        if (!(String.fromCharCode(event.which).toLowerCase() == 'd' && event.altKey) && !(event.which == 19))
            return true;
        //alert("Ctrl-s pressed");
        $("#delete").click();
        event.preventDefault();
        return false;
    });
    
    $(document).keydown(function (event) {
        //19 for Mac Command+S
        if (!(String.fromCharCode(event.which).toLowerCase() == 'q' && event.altKey) && !(event.which == 19))
            return true;
        //alert("Ctrl-s pressed");
        $("#exit").click();
        event.preventDefault();
        return false;
    });
    
    $(document).keydown(function (event) {
        //19 for Mac Command+S
        if (!(String.fromCharCode(event.which).toLowerCase() == 'b' && event.altKey) && !(event.which == 19))
            return true;
        //alert("Ctrl-s pressed");
        $("#previous").click();
        event.preventDefault();
        return false;
    });
    
    $(document).keydown(function (event) {
        //19 for Mac Command+S
        if (!(String.fromCharCode(event.which).toLowerCase() == 'n' && event.altKey) && !(event.which == 19))
            return true;
        //alert("Ctrl-s pressed");
        $("#next").click();
        event.preventDefault();
        return false;
    });
    
    $(document).keydown(function (event) {
        //19 for Mac Command+S
        if (!(String.fromCharCode(event.which).toLowerCase() == 'f' && event.altKey) && !(event.which == 19))
            return true;
        //alert("Ctrl-s pressed");
        $("#search").click();
        event.preventDefault();
        return false;
    });
    
    $(document).keydown(function (event) {
        //19 for Mac Command+S
        if (!(String.fromCharCode(event.which).toLowerCase() == 'e' && event.altKey) && !(event.which == 19))
            return true;
        //alert("Ctrl-s pressed");
        $("#edit").click();
        event.preventDefault();
        return false;
    });
    
    $(document).keydown(function (event) {
        //19 for Mac Command+S
        if (!(String.fromCharCode(event.which).toLowerCase() == 'p' && event.altKey) && !(event.which == 19))
            return true;
        //alert("Ctrl-s pressed");
        $("#print").click();
        event.preventDefault();
        return false;
    });
    

});