fn ctrlEnter function ajax options return this each function this bind

$.fn.ctrlEnter = function(ajax, options){
    return this.each(function(){
        $(this).bind('keyup', function(event){
            if(event.keyCode == 13 && event.originalEvent.ctrlKey){
                if(ajax){
                    $(this.form).ajaxSubmit(options);
                } else {
                    this.form.submit();   
                }
            }
        });
    });
}

//Example
//Для всех textarea
$('textarea').ctrlEnter();
$('textarea').ctrlEnter(true, {/* options for jquery forms */});