网页之不断弹射的文字-特效
<style type="text/css">#supertext {.t UL!gV[*QAP
position:absolute;
left:0;
top:0;
visibility:hide; y7d!jkA8["@3?#{U I
visibility:hidden;!cU G'^9l{)r,r&Z8A
}
</style>/[2M|NS0X
<script language="JavaScript1.2">
<!-- 改变下的字体的大小。颜色-->
var thecontent='<h2><font size="2" face="宋体" color="FF0000">欢迎光临七色风网页家园</font></h2>'8|UE0T.|-P9m3Mf
var hidetimer='';r6_;w9~%a l Y
<!-- 改变下的弹跳速度-->1N0B pw;rT*g
var BallSpeed = 20;a yr SQ
var contentWidth;
var contentHeight;
var maxBallSpeed = 50;
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var xMax;5NN V^ i{,^Jy&W
var yMax;
var xPos = 0;8`e0t`+C`r
var yPos = 0;
var xDir = 'right';Fro`vN p;hu
var yDir = 'down';@)_Zf0aqW
var superballRunning = true;z$T7AuB~4aD|
var tempBallSpeed;
var currentBallSrc;|t#[k Ti$p1w
var newXDir;
var newYDir;kk/}c(Rn*fj
function initializeBall() {"^ Mj7hzcB$f7X
if (document.all) {
xMax = document.body.clientWidth/_:x$v5AK*M4o-P'Y,CF
yMax = document.body.clientHeightK3ND8LmzI
document.all("supertext").style.visibility = "visible";
contentWidth=supertext.offsetWidthM8Hid EW\0Y4pSg
contentHeight=supertext.offsetHeight
}+q!S8N'HE
else if (document.layers) {5Tt]3Hnlo
xMax = window.innerWidth;
yMax = window.innerHeight;Kls%a:Q!XA%[
contentWidth=document.supertext.document.width^eW`*~i~"X5B[3J{
contentHeight=document.supertext.document.height
document.layers["supertext"].visibility = "show";
}
setTimeout('moveBall()',400);
if (hidetimer!='')bl7bqs)wN?
setTimeout("hidetext()",hidetimer)
}G%Y$L"i7M
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function moveBall() {l"c0M+v6]:k
if (superballRunning == true) {
calculatePosition();
if (document.all) {[%w*O4W[0Df!V1m;P
document.all("supertext").style.left = xPos + document.body.scrollLeft;`;gWZ[X ` EJ.z
document.all("supertext").style.top = yPos + document.body.scrollTop;yCM9H*S y u kn
}
else if (document.layers) {
document.layers["supertext"].left = xPos + pageXOffset;
document.layers["supertext"].top = yPos + pageYOffset;*|]y)|.I6R0`5rg
}+eZ|LRz6q
animatetext=setTimeout('moveBall()',20);+SP;kk-cU}C"t/R`
}Kf1G"xa
}
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function calculatePosition() {;A{l[~
if (xDir == "right") {
if (xPos > (xMax - contentWidth - BallSpeed)) {
xDir = "left";
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else if (xDir == "left") {
if (xPos < (0 + BallSpeed)) {
xDir = "right";#XW1k8Z4w!]x&n6z)B
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}
if (yDir == "down") {
if (yPos > (yMax - contentHeight - BallSpeed)) {^B3s~|
yDir = "up";
}
}]oxZ6K J
else if (yDir == "up") { dO I9O]?GW4`8t[
if (yPos < (0 + BallSpeed)) {
yDir = "down";
}"rx[6Cq/I){#Wk2N
}
if (xDir == "right") {)F*_0NX+{r/x
xPos = xPos + BallSpeed;
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else if (xDir == "left") {
xPos = xPos - BallSpeed;
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else {UrC"I$PE
xPos = xPos;
}Y%aHM+Yec)w
if (yDir == "down") {
yPos = yPos + BallSpeed;
}
else if (yDir == "up") {
yPos = yPos - BallSpeed;
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else {c@5UXu4BKJ
yPos = yPos;-x|BaDujA({0UI%N
}
}
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function hidetext(){5p!}7@i'v}-J+\#J
if (document.all) \)r`[n
supertext.style.visibility="hidden"!Ut$Yo&ms
else if (document.layers)
document.supertext.visibility="hide"6t#X/G)R-C*jgB D:f!mx/S
clearTimeout(animatetext)T8?2BIkh@
}