网页之跑马灯文字特效

zw2004

//修改宽度
( z4 g- \7 b& z! j* t- b, D( xvar marqueewidth=300: a2 u- ]8 G( U/ |$ R# P9 f! M8 f5 q
//高度
& I: M& [5 z5 nvar marqueeheight=25
0 {" O# D' m7 g# C6 D5 U* k+ ~//速度(1-10): i9 w0 j9 g4 y! L! s5 t6 ~
var marqueespeed=3
* l! L0 [. p' {: [! U6 |  `$ M//背景颜色
0 M2 \" v3 v: r3 u+ {  Vvar marqueebgcolor="#FFFFFF"
4 s+ @6 b9 j/ I+ d) F//是否能暂停 (0=no. 1=yes)?
+ l# v9 }* I2 P- u$ N' uvar pauseit=1
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//修改显示内容
  X: z, O1 C  G6 h0 W4 K3 R! K7 ^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>'
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////下面不需改变////////////% C% G( K. G& ^% @6 R) f4 e" Z

+ `& E  K8 b- o" z; H9 Fvar copyspeed=marqueespeed( x2 y: G" r# j$ l
var pausespeed=(pauseit==0)? copyspeed: 0
' t2 p: O+ R: O' ^. G2 c. Uvar iedom=document.all||document.getElementById% f0 L* S" O* C1 d8 P) o2 j# q
if (iedom)
' R. T' q  @2 T2 Ldocument.write('<span id="temp" style="visibility:hidden;position:absolute;top:-100;left:-1000">'+marqueecontent+'</span>'). |6 t+ \$ V8 [5 D5 `- [4 w4 H; p8 |
var actualwidth=''
3 e) p! o- j7 V( Q8 |9 kvar cross_marquee, ns_marquee
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function populate(){7 u/ d2 J4 i0 G$ {* u
if (iedom){- C8 N' q/ _! B8 k3 d# s+ L0 R
cross_marquee=document.getElementById? document.getElementById("iemarquee") : document.all.iemarquee
' Z& Y& L% G' h0 o7 `cross_marquee.style.left=marqueewidth+80 q; U' A# F5 R. Q$ Z4 g
cross_marquee.innerHTML=marqueecontent4 E5 }% [$ ~2 j3 `& |  M4 S
actualwidth=document.all? cross_marquee.offsetWidth : document.getElementById("temp").offsetWidth
7 y! E5 ^8 W& c+ ~% ?6 {  z/ ?% T}) Z" q6 U0 A4 {/ D4 t+ ^
else if (document.layers){
& b  y  V; e& Y) O3 `% B7 Ens_marquee=document.ns_marquee.document.ns_marquee2
0 v+ B1 ^/ |+ t# S- i4 q8 U! Sns_marquee.left=marqueewidth+8! y9 @  S0 x% t' D) i* t$ d5 ?
ns_marquee.document.write(marqueecontent)& c8 A1 t" J% K
ns_marquee.document.close()
: @. J6 D6 Y% T1 Q$ wactualwidth=ns_marquee.document.width
2 z0 |' u& K; @}
7 n9 H* g2 ]& F( `: a$ ^lefttime=setInterval("scrollmarquee()",20)6 X8 q; g- M7 K: W/ i
}
% p: \) N/ C0 Uwindow.onload=populate* ?! c% c* {' F+ m$ b0 a+ ~
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function scrollmarquee(){+ p2 G3 M) x/ B0 K2 ~, I
if (iedom){
2 X' |$ }% }# F3 S& B6 f- V: Oif (parseInt(cross_marquee.style.left)>(actualwidth*(-1)+8))7 R8 L1 b" d) R3 ^4 }# v. Q
cross_marquee.style.left=parseInt(cross_marquee.style.left)-copyspeed
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cross_marquee.style.left=marqueewidth+8
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}. g" D3 G! i* M+ F. Y" P0 a
else if (document.layers){
' n+ V) x5 V* E, k, nif (ns_marquee.left>(actualwidth*(-1)+8))
" G  I! V  t4 |ns_marquee.left-=copyspeed  N7 Y# N4 U1 s7 [6 Z
else1 m! n! W- ^% {# H
ns_marquee.left=marqueewidth+81 p* o( y) {( N; @# X7 \
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}
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if (iedom||document.layers){' w2 B3 v0 d. B- k! ?1 L
with (document){
* O9 K4 Q) `( s" Y, vdocument.write('<table border="0" cellspacing="0" cellpadding="0"><td>')0 ]" [0 K0 U: Z5 o
if (iedom){
/ o: y! l) F8 w% }" e- S6 f* Cwrite('<div style="position:relative;width:'+marqueewidth+';height:'+marqueeheight+';overflow:hidden">')- Q, C, _1 x- s3 c0 |5 |7 C/ ?
write('<div style="position:absolute;width:'+marqueewidth+';height:'+marqueeheight+';background-color:'+marqueebgcolor+'" onMouseover="copyspeed=pausespeed" onMouseout="copyspeed=marqueespeed">')
2 e5 s% r/ w5 U! [5 z/ W6 [& B1 Pwrite('<div id="iemarquee" style="position:absolute;left:0;top:0"></div>')
/ ~, `8 ~, u2 `+ ?5 lwrite('</div>')! U& M$ ^8 F2 D, c5 Q
}) {% h# |# R5 f' ~- s) E
else if (document.layers){
4 x: q& A) d/ _  V1 `% J7 ywrite('<ilayer width='+marqueewidth+' height='+marqueeheight+' name="ns_marquee" bgColor='+marqueebgcolor+'>')" b. C1 _: k4 }; W- Q2 |
write('<layer name="ns_marquee2" left=0 top=0 onMouseover="copyspeed=pausespeed" onMouseout="copyspeed=marqueespeed"></layer>'): a/ D1 j5 _' P3 v
write('</ilayer>')  C! U  F, B, j  B$ @  {; j  e2 R
}
$ I! L7 ]% U$ ~# [4 ]document.write('</td></table>')
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</script>