canvas image rotation

gistfile1.txt

      /*
       @param originx, originy - percentage values
       */
      function drawImageRot(ctx, img, x, y, width, height, radians, originx, originy) {
        ctx.save();
        ctx.translate(x, y);
        ctx.rotate(radians);
        ctx.drawImage(img, -originx * width, -originy * width, width, height);
        ctx.restore();
      }