// JavaScript Document

<!--// 
//浮动广告开始
//设置下面一些参数，小球移动速度1-50，数值大速度快；
var ballWidth = 50;
var ballHeight = 35;
var BallSpeed = 1;
 
var maxBallSpeed = 1;
var xMax;
var yMax;
var xPos = 584;
var yPos = 342;
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 Mstop()
{
	BallSpeed  = 0;
}
 
function Mstart()
{
	BallSpeed  = 1;
}
 
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()',100);
}
 
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) || xPos>=460) { 
xDir = "left";
}
}
else if (xDir == "left") {
if (xPos < (0 + BallSpeed)) {
xDir = "right";
}
}
if (yDir == "down") {
if (yPos > (yMax - ballHeight - BallSpeed)|| yPos >=430) {
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.onresize = new Function("window.location.reload()");
window.onload = initializeBall;
// 浮动广告结束
// -->