aints );
                }) ],
                postRun: [ (function() { document.getElementById("butInit").disabled = false; }) ],
                print: (function() {
                    var element = document.getElementById('output');
                    if (element) element.value = ''; // clear browser cache
                    return function(text) {
                        if (arguments.length > 1) text = Array.prototype.slice.call(arguments).join(' ');
                        console.log(text);
      