网页之跑马灯文字特效

zw2004

//修改宽度
* ?; N/ ^- L: J3 g2 E/ I3 T; t, avar marqueewidth=300, d8 h, q: }$ E/ b7 C1 `" O# q6 `8 y
//高度
- I% b3 ?+ F  t% g8 p" Xvar marqueeheight=25( S' }5 T  D- M% M/ z! n1 t* d2 X
//速度(1-10)* E6 N' Y9 A: G: M  X+ U1 b$ }+ v5 Y
var marqueespeed=3
+ `$ a% j, c- ~& t; X+ J//背景颜色: E3 O/ k( m8 g: _5 p+ |
var marqueebgcolor="#FFFFFF"
( [8 F3 B; C1 y' J, a, d* u//是否能暂停 (0=no. 1=yes)?  R; P: X" M' g' ?% ?' s
var pauseit=1
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) Y: B7 x$ ?5 V- A; [//修改显示内容0 N& ], V4 D4 q; ?& p
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>'% w5 D5 }9 L! a2 A. |5 g% U% A

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////下面不需改变////////////1 u: a2 ~1 }. Y; m6 ]. \, Y4 a' E
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var copyspeed=marqueespeed
/ \& @/ x# I& m" {var pausespeed=(pauseit==0)? copyspeed: 0. T5 M- w' T/ F4 G" j4 L. b
var iedom=document.all||document.getElementById2 i. g% W+ p4 \0 |
if (iedom)
+ V- `8 x, V3 B1 z: _0 H* j6 e' pdocument.write('<span id="temp" style="visibility:hidden;position:absolute;top:-100;left:-1000">'+marqueecontent+'</span>')% o; i! r  q) Q3 c. a
var actualwidth=''
7 |3 G" K( ^( i$ j' Mvar cross_marquee, ns_marquee
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function populate(){
5 @7 [+ d! X6 R% y0 sif (iedom){; H' S: ~5 {3 w9 E+ d  R0 T
cross_marquee=document.getElementById? document.getElementById("iemarquee") : document.all.iemarquee
4 i3 J  B1 v! X; ^cross_marquee.style.left=marqueewidth+8
3 ^$ P4 J! ?9 ~, f" I, \cross_marquee.innerHTML=marqueecontent# Q! Q7 _$ x3 a8 l
actualwidth=document.all? cross_marquee.offsetWidth : document.getElementById("temp").offsetWidth5 d7 D- n; E  p- S3 x  y( b
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else if (document.layers){
( U  l* s! b7 m% c# Z( Rns_marquee=document.ns_marquee.document.ns_marquee2
! w: S! a) J9 wns_marquee.left=marqueewidth+8% S5 m7 V' f+ W5 s2 x
ns_marquee.document.write(marqueecontent)
. Q1 o& D$ |2 A9 Nns_marquee.document.close()& M% o& G. J1 `- w+ @2 K; `
actualwidth=ns_marquee.document.width
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lefttime=setInterval("scrollmarquee()",20)! X' U9 g8 E  X' H. F0 W# W" C
}
  F0 w3 D2 f% b+ }. o6 Ywindow.onload=populate
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6 @: ]" R8 c+ p+ n5 Efunction scrollmarquee(){
$ Q* D; Z/ R  c9 _; rif (iedom){
" n$ \/ E% T6 Z( a+ C0 u, jif (parseInt(cross_marquee.style.left)>(actualwidth*(-1)+8))" {  m8 }4 m3 \( l4 T
cross_marquee.style.left=parseInt(cross_marquee.style.left)-copyspeed
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cross_marquee.style.left=marqueewidth+8
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else if (document.layers){
9 C, a8 m* d0 C* f0 n- V, uif (ns_marquee.left>(actualwidth*(-1)+8))
  R6 ]/ {, |$ \' mns_marquee.left-=copyspeed5 i" I" B5 ~( w- o; p2 M  H
else
8 B6 {. W; i  k: J: ans_marquee.left=marqueewidth+82 K1 Q' f8 I: ?- |: M( U( @9 v
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}
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9 g3 D  w* V5 M2 f7 |if (iedom||document.layers){
5 a. @+ @9 ^3 l! \7 Ywith (document){
6 U" T+ m7 B% u, h; Zdocument.write('<table border="0" cellspacing="0" cellpadding="0"><td>')
2 y7 Z) a7 q" \, h1 i: x; ?) i+ nif (iedom){
- m+ Z  \7 W4 T# D4 awrite('<div style="position:relative;width:'+marqueewidth+';height:'+marqueeheight+';overflow:hidden">')
' S4 [1 w1 ]% b9 X% M% qwrite('<div style="position:absolute;width:'+marqueewidth+';height:'+marqueeheight+';background-color:'+marqueebgcolor+'" onMouseover="copyspeed=pausespeed" onMouseout="copyspeed=marqueespeed">')0 s* l; y, p2 h& P1 D
write('<div id="iemarquee" style="position:absolute;left:0;top:0"></div>')9 E! w* |% ^' R% c9 O
write('</div>')) s4 O# H# R+ u5 Z/ S( |
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else if (document.layers){3 n% j0 r6 U! z
write('<ilayer width='+marqueewidth+' height='+marqueeheight+' name="ns_marquee" bgColor='+marqueebgcolor+'>')
6 l% _, y. D. H7 D1 Pwrite('<layer name="ns_marquee2" left=0 top=0 onMouseover="copyspeed=pausespeed" onMouseout="copyspeed=marqueespeed"></layer>')) Q  ]; U) K8 M
write('</ilayer>')' Y8 B! _  C. Z4 f% l
}
3 F1 _$ g! }8 v2 G. h" j  ~document.write('</td></table>')
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1 l4 w4 s7 K! j% e% R</script>