网页之不断弹射的文字-特效
<style type="text/css">#supertext { pv?oU_
position:absolute;
left:0;*{8v;y~t
top:0;
visibility:hide;3?,B,E [ kH7d:L7] vb
visibility:hidden;,j6rJ+DA"L y ?gJ
}cy"wUD#j7^
</style>(N1i{s A/MK
<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>'+rF_.l S5o
var hidetimer='';
<!-- 改变下的弹跳速度-->
var BallSpeed = 20;s&t4P4x_8P*Xt)b
var contentWidth;8s u C JPN
var contentHeight;
var maxBallSpeed = 50;
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var xMax;Y2R2X:FHq I%KRe%c
var yMax;
var xPos = 0;
var yPos = 0;M~'X'H%D7R oo_xx
var xDir = 'right';
var yDir = 'down';URQ'a X5C)J!H
var superballRunning = true;bE X(A*C#I-w6r3c
var tempBallSpeed; ~*Q h g \ hu'{
var currentBallSrc;mj8i ^7X/\
var newXDir;
var newYDir;n J z;_ w4P8z w
function initializeBall() {
if (document.all) {[o zo/c0?/Xz0O }7h;C
xMax = document.body.clientWidthz?&M.`r7G/V
yMax = document.body.clientHeight_/}'iT k*fI
document.all("supertext").style.visibility = "visible";N3X9q9K"]?9Hy y
contentWidth=supertext.offsetWidth
contentHeight=supertext.offsetHeight
}M})] ^XF~NN
else if (document.layers) {G_p5E v-o
xMax = window.innerWidth;;O n Sz l ?`
yMax = window.innerHeight;2s'I#\p ~ z H
contentWidth=document.supertext.document.width/Ph6Kk nc&[
contentHeight=document.supertext.document.height
document.layers["supertext"].visibility = "show"; ?t H V%U
},D%@{e(YXN
setTimeout('moveBall()',400);
if (hidetimer!='')
setTimeout("hidetext()",hidetimer)
}
];~X||-^
function moveBall() { Vt I1W m6I/V
if (superballRunning == true) {
calculatePosition();
if (document.all) {5p _ [b(ag$p#kqe
document.all("supertext").style.left = xPos + document.body.scrollLeft;
document.all("supertext").style.top = yPos + document.body.scrollTop;
}(Z3s? g8jwQte
else if (document.layers) {$o9}LMqQ?/M
document.layers["supertext"].left = xPos + pageXOffset;
document.layers["supertext"].top = yPos + pageYOffset;&v!h b)wkP0lU2Af
}
animatetext=setTimeout('moveBall()',20);
}
}~y9ht}
function calculatePosition() {^U1vTl pw+r
if (xDir == "right") {
if (xPos > (xMax - contentWidth - BallSpeed)) {
xDir = "left";,\1o+`n8|
}
}
else if (xDir == "left") {|6FF|y6T Q0W8|
if (xPos < (0 + BallSpeed)) {
xDir = "right";
}
}
if (yDir == "down") {
if (yPos > (yMax - contentHeight - BallSpeed)) {
yDir = "up";
}
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else if (yDir == "up") {
if (yPos < (0 + BallSpeed)) {Nv!GO \
yDir = "down";
} h,zW$G k
}
if (xDir == "right") {
xPos = xPos + BallSpeed;
}
else if (xDir == "left") {({5] V}.cc DJ-tAlu
xPos = xPos - BallSpeed;0g.K|0SIU A z){.^R(z
}
else {
xPos = xPos;
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if (yDir == "down") {)hC%Q"{j(_:u
yPos = yPos + BallSpeed;&C1^P'eZ s%X*^
}
else if (yDir == "up") { zO.WXfezz-S5lU
yPos = yPos - BallSpeed;
}
else {.Sm$hS+D+R iL
yPos = yPos;
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}
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function hidetext(){&W y!op{
if (document.all)
supertext.style.visibility="hidden"
else if (document.layers)
document.supertext.visibility="hide"-uE%o*]m!yy
clearTimeout(animatetext)I*LUavi h M$g
}
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if (document.all||document.layers){
document.write('<span id="supertext"><nobr>'+thecontent+'</nobr></span>') D)M$\T D/L#J V
window.onload = initializeBall;
window.onresize = new Function("window.location.reload()");
}
9}6Z*^hg*A0^ R}
</script>
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