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捌玖网络工作室 » 网页编程 » 网页之不断弹射的文字-特效

zw2004 发表于 2008-1-21 20:55

网页之不断弹射的文字-特效

<style type="text/css">
#supertext {dv6n B(\n7J8SQ4K
position:absolute;jg?9XzC/ez
left:0;0I%X5CQM!^h
top:0;
visibility:hide;
visibility:hidden; UVVJ9LbG3[)zpg
}6AvW2P2f0Z` k;w
</style>
<script language="JavaScript1.2">

var thecontent='<h2><font size="2" face="宋体" color="FF0000">欢迎光临七色风网页家园</font></h2>'
var hidetimer='';h/Li"S%^e k6q

var BallSpeed = 20;
var contentWidth;tAs{w3IU x
var contentHeight;\zN0b%m.wE
var maxBallSpeed = 50;Z,J V)b Dg!V/D

var xMax;
var yMax;
var xPos = 0;)Tx])`'Zh_N
var yPos = 0;
var xDir = 'right';
var yDir = 'down';
var superballRunning = true;Nr2~#q\g&LqH
var tempBallSpeed;
var currentBallSrc;a S7N`3R/a'SM
var newXDir;l$B}BUX+d
var newYDir;/`6k5SGVcd.L
bTZEo{g GZE
function initializeBall() {
if (document.all) {
   xMax = document.body.clientWidth
   yMax = document.body.clientHeight
   document.all("supertext").style.visibility = "visible";
   contentWidth=supertext.offsetWidthL(M3F5^!F
   contentHeight=supertext.offsetHeight
   }
else if (document.layers) {
   xMax = window.innerWidth;L wB&y~Z[8Gp
   yMax = window.innerHeight;%x1?{_&E;n%n
   contentWidth=document.supertext.document.width
   contentHeight=document.supertext.document.height9s:J:e(w|!ZAFU
   document.layers["supertext"].visibility = "show";1x4V3n5NV-_
   }!`}CJ k
setTimeout('moveBall()',400);
if (hidetimer!='')+H|!L2Xm#X
setTimeout("hidetext()",hidetimer)
}

function moveBall() {qRyd3S-vr
if (superballRunning == true) {4d }%ns6Qp$j1aT
   calculatePosition();
   if (document.all) {4aK$Ky&s
      document.all("supertext").style.left = xPos + document.body.scrollLeft;
      document.all("supertext").style.top = yPos + document.body.scrollTop;-x({ g!f1wzx
      }-s7{,mtx
   else if (document.layers) {u.nO2R]#Z7D9\R
      document.layers["supertext"].left = xPos + pageXOffset;
      document.layers["supertext"].top = yPos + pageYOffset;
      }
   animatetext=setTimeout('moveBall()',20);
   }9r`)]0?V wxC
}$MCURw:`l#U
R0YEZM!ugR/k
function calculatePosition() {Z$Ufy},^)c
if (xDir == "right") {a:}y+je N
   if (xPos > (xMax - contentWidth - BallSpeed)) {e'L8Q8J;M\
      xDir = "left"; N+x-Rv L
      }7p(`9P"V_L1T
   }9N.GL z,Y:@#^
else if (xDir == "left") {
   if (xPos < (0 + BallSpeed)) {r8jEM+w)_/{LXu4L
      xDir = "right";Mdp p[G-Ae\"xj\
      }#wKhxSi$vW
   }n5vJ3Wf3hp%^2y`
if (yDir == "down") {.IW7F8Gp:WnO
   if (yPos > (yMax - contentHeight - BallSpeed)) {
      yDir = "up";
      }
   }
else if (yDir == "up") {r fJ{ w5Ho?6{
   if (yPos < (0 + BallSpeed)) {6wt5`6cQS0hU
      yDir = "down";%zgg T1? I*N,s
      }
   }7p0jm.^st:Db7S
if (xDir == "right") {
   xPos = xPos + BallSpeed;
   }
else if (xDir == "left") {
   xPos = xPos - BallSpeed;J,Y lDz k6TfO
   }
else {8H6\]X4N$m^
   xPos = xPos;9s1l,?D*[QY ^rK@
   }\j\vgz m7c|}
if (yDir == "down") {
   yPos = yPos + BallSpeed;
   }e l'Iq8fh
else if (yDir == "up") {
   yPos = yPos - BallSpeed;g0M:sS)]$Z9Sp!|_
   }[Yb,wP^/~}
else {[$gL*B!l l\
   yPos = yPos;
   }
}

function hidetext(){#L0_9_8C?\"K
if (document.all)
supertext.style.visibility="hidden":u @e[D(~
else if (document.layers)W;j\;w'J:H~:@7`H
document.supertext.visibility="hide"
clearTimeout(animatetext)
}

if (document.all||document.layers){
document.write('<span id="supertext"><nobr>'+thecontent+'</nobr></span>')
window.onload = initializeBall;}1KrFnS
window.onresize = new Function("window.location.reload()");
}-]v o:{v(B-m
Y&^QH&T*fS
</script>

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