Enable/Disable context menu and text selection

js_contextMenu_textSelec

/*
 * Deshabilita click derecho (menu contextual)
 */
window.oncontextmenu = function(){
    return false;
};

/*
 * Habilita click derecho (menu contextual)
 */
window.oncontextmenu = function(){
    return true;
};

/*
 * Deshabilita seleccionar texto
 */
function select_off(){
    window.onmousedown = function(){
        return false;
    };
    
    var elmnts = document.querySelectorAll('*');
    for(e = 0; e < elmnts.length; e++){
        elmnts[e].style.webkitUserSelect = 'none';
        elmnts[e].style.userSelect       = 'none';
        elmnts[e].unselectable           = 'on';
    }
}

/*
 * Habilita seleccionar texto
 */
function select_on(){
    window.onmousedown = function(){
        return true;
    };
    
    var elmnts = document.querySelectorAll('*');
    for(e = 0; e < elmnts.length; e++){
        elmnts[e].style.webkitUserSelect = 'auto';
        elmnts[e].style.userSelect       = 'auto';
        elmnts[e].unselectable           = '';
    }
}