网页之跑马灯文字特效

zw2004

//修改宽度& }% d& b" B! F- g5 F0 Z* z$ ^+ q, C
var marqueewidth=300* g+ u- J0 f  Q  c: |
//高度
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- q8 {6 P% E$ i" _1 g//背景颜色% c$ o- v: \* Z) |8 {; c4 q! |! |: a
var marqueebgcolor="#FFFFFF"6 w* w  m5 s5 R4 _9 b& N6 n
//是否能暂停 (0=no. 1=yes)?, x3 u# Z& \; V+ n
var pauseit=1
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//修改显示内容2 ?0 J9 c  Y0 Q6 _2 |9 Q8 [4 s
var marqueecontent='<nobr><font face="Arial" size=2><a href="http://www.jzzy.com/js.asp">欢迎光临七色风网页家园</a>--这里有从上千个网页特效中精选的300多个实用的特效，另外，为了网友更方便地学习，我们还改写和编写了部分的特效，并作了详细的说明和必要的使用提示!</font></nobr>'6 l. \& C1 j) G+ u) Y0 W
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" X: }/ ~( o2 z- q0 P4 i////下面不需改变////////////
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* e( G/ y/ t+ R# t9 @8 q$ |var copyspeed=marqueespeed) B5 ~( w& P$ {1 q9 a. u
var pausespeed=(pauseit==0)? copyspeed: 0; Y: _7 k  ^  h# U
var iedom=document.all||document.getElementById
  \0 r' J/ }1 s  z  l* hif (iedom)
. `2 T& A. L1 i. p7 bdocument.write('<span id="temp" style="visibility:hidden;position:absolute;top:-100;left:-1000">'+marqueecontent+'</span>')
, }; M3 K6 n. i( [4 g1 Wvar actualwidth=''
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' Z  f7 a. ~2 Y% f8 u( [3 qfunction populate(){
  e' N( b" g2 t. \! Nif (iedom){& Z4 y  Z& m7 b5 m: n+ J  d1 m; U
cross_marquee=document.getElementById? document.getElementById("iemarquee") : document.all.iemarquee
3 F  S5 ~2 l4 q; `; fcross_marquee.style.left=marqueewidth+83 B2 h! Q, S' @8 z9 v! Q8 @6 c$ Y' [
cross_marquee.innerHTML=marqueecontent1 g. T" M. N! n" g
actualwidth=document.all? cross_marquee.offsetWidth : document.getElementById("temp").offsetWidth
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else if (document.layers){
4 v7 o) R! F9 {. L% u$ Y  fns_marquee=document.ns_marquee.document.ns_marquee2& A. T! L$ M* i( I2 t
ns_marquee.left=marqueewidth+8
! p! I+ K: y& D$ [% Mns_marquee.document.write(marqueecontent)$ f' V$ i4 J0 R2 \, o' ^
ns_marquee.document.close(); ^% I* K9 m; w) n% Q
actualwidth=ns_marquee.document.width
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lefttime=setInterval("scrollmarquee()",20)
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window.onload=populate; O1 g) ~! k1 ^* n2 e; L& f

/ ?* a! V4 O- bfunction scrollmarquee(){
: v; i" I! {* S) |/ ?+ lif (iedom){4 t; i3 b  P: A% {' O
if (parseInt(cross_marquee.style.left)>(actualwidth*(-1)+8)); U4 G8 H/ }/ `* X. L* T9 b
cross_marquee.style.left=parseInt(cross_marquee.style.left)-copyspeed
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cross_marquee.style.left=marqueewidth+8( m/ r# b# l( {( A8 ?

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else if (document.layers){
9 F5 E& L/ o4 Z- `" c" zif (ns_marquee.left>(actualwidth*(-1)+8))9 G1 C2 h' A+ O9 e$ h5 H7 M9 w
ns_marquee.left-=copyspeed2 H# H; \: e4 F: s' g% S: @
else
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}
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if (iedom||document.layers){  y) E) s  i3 `  Z' {4 m& s
with (document){" @$ g) T6 j2 q4 F, d1 ]& }
document.write('<table border="0" cellspacing="0" cellpadding="0"><td>')
, i6 [+ S( U; |8 L6 z: jif (iedom){
* v6 K, s/ Z% x- bwrite('<div style="position:relative;width:'+marqueewidth+';height:'+marqueeheight+';overflow:hidden">')6 X* I" N/ z9 c! I- L- h
write('<div style="position:absolute;width:'+marqueewidth+';height:'+marqueeheight+';background-color:'+marqueebgcolor+'" onMouseover="copyspeed=pausespeed" onMouseout="copyspeed=marqueespeed">')8 \9 o" X9 k" M% w4 L$ @; Y
write('<div id="iemarquee" style="position:absolute;left:0;top:0"></div>')! V* a, _8 |2 |7 j4 q
write('</div>')
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8 H; N6 C/ A  p6 A; ]  relse if (document.layers){
' d& X; k3 ]1 W# G# F* uwrite('<ilayer width='+marqueewidth+' height='+marqueeheight+' name="ns_marquee" bgColor='+marqueebgcolor+'>')
6 g& T/ Q8 R. [! a% _write('<layer name="ns_marquee2" left=0 top=0 onMouseover="copyspeed=pausespeed" onMouseout="copyspeed=marqueespeed"></layer>')' l! q" K8 Q% b+ F
write('</ilayer>')
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4 F9 z& [4 X: M5 w5 t1 J2 e% Wdocument.write('</td></table>')' I7 c1 @, b( z- _8 ^7 \
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}
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