gistfile1.js

    function drawProgress (factor) {
        var progress    = $('#progress');
        var bar         = progress.children('#bar');
        var maxwidth    = progress.width();
        factor = factor > 1 ? 1 : factor < 0 ? 0 : factor;
        bar.width( maxwidth * factor );
    }

    function calculate (params) {
        var schwarze = new Array();
        var iter = 1;
        (function f(){
          if (iter <= params.anzahl) { // Stichprobe
            iter++;    
            var schw = 0;
            for ( var i = 1; i <= params.stichprobe; i++ ) { // Ziehung
                var zuf = 1 + Math.floor( Math.random() * params.kugeln );
                if ( zuf <= params.skugeln ) {
                    schw += 1;
                }
            }
            schwarze.push(schw);
            drawProgress( iter / params.anzahl );
            setTimeout(f,0);
          }
        })();
    }