Ctrl key plugin

JavaScript

$.ctrl = function(key, callback, args) {

 var isCtrl = false;

    $(document).keydown(function(e) {
    if(!args) args=[]; 
    if(e.ctrlKey) isCtrl = true;
    if(e.keyCode == key.charCodeAt(0) && isCtrl) {
        callback.apply(this, args);
        return false;
    }
    }).keyup(function(e) {
    if(e.ctrlKey) isCtrl = false;
});
};

$.ctrl('J', function() {
    $("#a").after('<div contentEditable="true">test</div>'); 
});