[PHP] Kreis erstellen, um user level-fortschritt anzuzeigen

<script type="text/javascript">//<![CDATA[ 
            window.addEvent('load', function() {
                // SVG stuff
                var bg = document.id('userLogoImg');
                var ctx = ctx = bg.getContext('2d');
                var imd = null;
                var circ = Math.PI * 2;
                var quart = Math.PI / 2;


                ctx.beginPath();
                ctx.strokeStyle = '#99CC33';
                ctx.lineCap = 'square';
                ctx.closePath();
                ctx.fill();
                ctx.lineWidth = 10.0;


                imd = ctx.getImageData(0, 0, 240, 240);


                var draw = function(current) {
                    ctx.putImageData(imd, 0, 0);
                    ctx.beginPath();
                    ctx.arc(120, 120, 70, -(quart), ((circ) * current) - quart, false);
                    ctx.stroke();
                };
            });//]]>
        </script>