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📄 弹球.htm

📁 较为详细的介绍了asp自定义的各种函数,方便asp的各种开发.
💻 HTM
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<html>
<!-- Page generated by FlashASP 1.5 -->
<head> 
  <title>闪电新网页</title>
<script language="JavaScript">
<!--//

//设置下面一些参数，小球移动速度1-50，数值大速度快；
var ballWidth = 40;
var ballHeight = 40;
var BallSpeed = 10;

var maxBallSpeed = 50;
var xMax;
var yMax;
var xPos = 0;
var yPos = 0;
var xDir = 'right';  //水平方向向右移动
var yDir = 'down'; //垂直方向向下移动
var superballRunning = true;
var tempBallSpeed;
var currentBallSrc;
var newXDir;
var newYDir;

function initializeBall() {
   if (document.all) {
      xMax = document.body.clientWidth
      yMax = document.body.clientHeight
      document.all("superball").style.visibility = "visible";
      }
   else if (document.layers) {
      xMax = window.innerWidth;
      yMax = window.innerHeight;
      document.layers["superball"].visibility = "show";
      }
   setTimeout('moveBall()',400);
   }

function moveBall() {
   if (superballRunning == true) {
      calculatePosition();
      if (document.all) {
         document.all("superball").style.left = xPos + document.body.scrollLeft;
         document.all("superball").style.top = yPos + document.body.scrollTop;
         }
      else if (document.layers) {
         document.layers["superball"].left = xPos + pageXOffset;
         document.layers["superball"].top = yPos + pageYOffset;
         }
      setTimeout('moveBall()',30);
      }
   }

function calculatePosition() {
   if (xDir == "right") {
      if (xPos > (xMax - ballWidth - BallSpeed)) { 
         xDir = "left";
         }
      }
   else if (xDir == "left") {
      if (xPos < (0 + BallSpeed)) {
         xDir = "right";
         }
      }
   if (yDir == "down") {
      if (yPos > (yMax - ballHeight - BallSpeed)) {
         yDir = "up";
         }
      }
   else if (yDir == "up") {
      if (yPos < (0 + BallSpeed)) {
         yDir = "down";
         }
      }
   if (xDir == "right") {
      xPos = xPos + BallSpeed;
      }
   else if (xDir == "left") {
      xPos = xPos - BallSpeed;
      }
   else {
      xPos = xPos;
      }
   if (yDir == "down") {
      yPos = yPos + BallSpeed;
      }
   else if (yDir == "up") {
      yPos = yPos - BallSpeed;
      }
   else {
      yPos = yPos;
      }
   }

if (document.all||document.layers)
window.onload = initializeBall;
window.onresize = new Function("window.location.reload()");

// -->
</script>
<style type="text/css">

#superball {
position:absolute;
left:0;
top:0;
visibility:hide;
visibility:hidden;
width:40;
height:40;
}

</style>

</head>
<body>
response.write"sdfs"
<span id="superball"><a href="http://www.javascript2000.com"><img name="superballImage" src="cat.gif" height="30" width="30" border="0"></a></span> 
</body>
</html>

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