js 应用22 飞起来。

   R = 0;
      x1 = .1;
      y1 = .05;
      x2 = .25;
      y2 = .24;
      x3 = 1.6;
      y3 = .24;
      x4 = 300;
      y4 = 200;
      x5 = 300;
      y5 = 200;
      var DI = document.getElementsByTagName("img");
      DIL = DI.length;
      function A() {
          for (i = 0; i < DIL; i++) {
              DIS = DI[i].style;
              DIS.position = 'absolute';
              DIS.left = Math.sin(R * x1 + i * x2 + x3) * x4 + x5 + "px";
              DIS.top = Math.cos(R * y1 + i * y2 + y3) * y4 + y5 + "px"
          }
          R++
      }
      tag = setInterval('A()', 5);
      document.onmousedown = function () {
          clearInterval(tag);
          for (i = 0; i < DIL; i++) {
              DI[i].style.position = "static";
          }
      };
   R = 0;
      x1 = .1;