function drawStar(cxt, x, y, outerR, innerR, rot) {

             cxt.beginPath();

             for (var i = ; i < ; i++) {

                 cxt.lineTo(Math.cos((+i*-rot)/*Math.PI)*outerR+x,

                 -Math.sin((+i*-rot)/*Math.PI)*outerR+y);

                 cxt.lineTo(Math.cos(( + i *  - rot) /  * Math.PI) * innerR + x,

                     -Math.sin(( + i *  - rot) /  * Math.PI) * innerR + y);

             }

             cxt.closePath();

             cxt.fillStyle = "#fb3";

             cxt.strokeStyle = "#fd5";

             cxt.lineWidth = ;

             cxt.lineJoin = "rount";

             cxt.fill();

             cxt.stroke();

         }

function draw() {

             for (var i = ; i < ; i++) {

                 var r = Math.random() *  + ;

                 var x = Math.random() * cvs.width;

                 var y = Math.random() * cvs.height;

                 var a = Math.random() * ;

                 drawStar(context, x, y, r, r / 2.0, a);

             }

         }