网页之不断弹射的文字-特效
<style type="text/css">#supertext {
position:absolute;5C(e!Nw0o4ej-u4kNZ
left:0;
top:0;6v7F D H1L Vi ]
visibility:hide; ? I5m*Xf P M.l
visibility:hidden;
}
</style>
<script language="JavaScript1.2">
<!-- 改变下的字体的大小。颜色-->UW g CN Z
var thecontent='<h2><font size="2" face="宋体" color="FF0000">欢迎光临七色风网页家园</font></h2>'] y'q&Jw'Qm;I9[.]/s
var hidetimer='';
<!-- 改变下的弹跳速度-->
var BallSpeed = 20;CR pgDH:S
var contentWidth; O m {#S~
var contentHeight;'Nw1Y8n!xM
var maxBallSpeed = 50;
~1tOq)~w
7_ Rw+d N p I{0K
var xMax;
var yMax;p%u`T5M v ?H4X9[ l
var xPos = 0;z7CtE1N.}
var yPos = 0;5]7amy2O
var xDir = 'right';
var yDir = 'down'; _zt/fF4ak/B
var superballRunning = true;
var tempBallSpeed;,d HS8}W
var currentBallSrc;
var newXDir;S Z'~{ }^ ra~ @;p!h
var newYDir;)nj.}#BR;|[a
${$_-un]@{9g
function initializeBall() {z Zn M3a B
if (document.all) {
xMax = document.body.clientWidth?r ? i7D
yMax = document.body.clientHeightJ^8HDL!Y a/h
document.all("supertext").style.visibility = "visible"; r Q.n4FztF&v0]
contentWidth=supertext.offsetWidth/pn I/o _I n
contentHeight=supertext.offsetHeight4X ?'yC B_;k+x"_ _
}
else if (document.layers) {
xMax = window.innerWidth;Q:rR s%`
yMax = window.innerHeight;
contentWidth=document.supertext.document.width"h Do!z5`.a Q
contentHeight=document.supertext.document.height6u1o6U dV PO"V8O:N w
document.layers["supertext"].visibility = "show";(N B.f fZl9k ^
}
setTimeout('moveBall()',400);Ng B7D;\ G4L
if (hidetimer!='')
setTimeout("hidetext()",hidetimer)
}
function moveBall() {
if (superballRunning == true) {+H }2~7l8F'H*y&{
calculatePosition();
if (document.all) {
document.all("supertext").style.left = xPos + document.body.scrollLeft;
document.all("supertext").style.top = yPos + document.body.scrollTop;B0d%Gge^ K._
}
else if (document.layers) {'n vj f u6k7[-a2K/F
document.layers["supertext"].left = xPos + pageXOffset;
document.layers["supertext"].top = yPos + pageYOffset;%F j0@(XD0q$O
}
animatetext=setTimeout('moveBall()',20);9Q V7i(rQ I?6t;u | F[
}
} y,ZBMQ\2q9E
_c#B CSE
function calculatePosition() {7O8G wSQc
if (xDir == "right") {
if (xPos > (xMax - contentWidth - BallSpeed)) { Xu3BkQ'y)z
xDir = "left";
}
}
else if (xDir == "left") {
if (xPos < (0 + BallSpeed)) {
xDir = "right";
}
}
if (yDir == "down") {
if (yPos > (yMax - contentHeight - BallSpeed)) {x]6G VFd
yDir = "up"; m2{$B q6}r$y3i Sp3M(x
}
}
else if (yDir == "up") {
if (yPos < (0 + BallSpeed)) {
yDir = "down";uS m{Xbzj
}
}:[Y5ua}rx
if (xDir == "right") { S U$B\\]7R _y gs4X
xPos = xPos + BallSpeed;
}`VX i}
else if (xDir == "left") {
xPos = xPos - BallSpeed; M,t~ w#^e5x&n
}
else {
xPos = xPos;tqqt&^y'S
}
if (yDir == "down") {
yPos = yPos + BallSpeed;
}
else if (yDir == "up") {
yPos = yPos - BallSpeed;
}
else {
yPos = yPos;~6r3B*H g7^ gy
}
}
function hidetext(){~LQ W+P
if (document.all)Ig5];yd9J x2@7j:^+o
supertext.style.visibility="hidden"
else if (document.layers)
document.supertext.visibility="hide"
clearTimeout(animatetext)
}
if (document.all||document.layers){6] b7_v,] U%W a
document.write('<span id="supertext"><nobr>'+thecontent+'</nobr></span>')+u*m4V QG L OO
window.onload = initializeBall; D)cg f@ZX ah
window.onresize = new Function("window.location.reload()");
}
</script>
页:
[1]