网页之跑马灯文字特效

zw2004

//修改宽度
4 [5 ~4 S& Q) R5 Q, x* h! M6 Mvar marqueewidth=300; p7 c1 {2 E3 B
//高度* o7 X4 f% X9 i+ g( f& ^, l
var marqueeheight=25
4 _9 {# Z5 B2 {; i* u6 t) C) _0 Q//速度(1-10)$ m- V% K7 v- V1 i$ V
var marqueespeed=3
$ o3 l) @6 w9 v+ L9 `3 q//背景颜色1 }; y# W. @! |
var marqueebgcolor="#FFFFFF"/ v. k: @+ K: a
//是否能暂停 (0=no. 1=yes)?% m) D! c9 _' @3 |- T/ g) ]
var pauseit=1' q- @9 C8 y- ?7 P& B
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//修改显示内容
6 H- x. O  D& T, k+ wvar 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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. W1 i4 t5 u8 E0 u- V////下面不需改变////////////6 P6 `( t% D6 Z6 Y2 Z# g
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var copyspeed=marqueespeed% D9 G1 u7 S" n' L+ W# H
var pausespeed=(pauseit==0)? copyspeed: 0- u& w; R! Z: s( Q7 n
var iedom=document.all||document.getElementById
- g( T# q8 Q0 h; w: }4 e/ c& Pif (iedom)) t& o8 Y+ ~; v8 B1 X
document.write('<span id="temp" style="visibility:hidden;position:absolute;top:-100;left:-1000">'+marqueecontent+'</span>')
9 k  m! \( D+ y* [var actualwidth=''2 V6 e7 ?1 Z2 d- }# Z
var cross_marquee, ns_marquee
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2 M* w( F! A& @: l' |7 a0 H3 Xfunction populate(){
/ B* u% w+ I# ~+ z; V1 B5 Wif (iedom){
/ T3 ]& s  N  s7 Vcross_marquee=document.getElementById? document.getElementById("iemarquee") : document.all.iemarquee
0 L- @  i$ C6 {cross_marquee.style.left=marqueewidth+8
; p5 a, h7 i+ f# P$ M+ ^3 Icross_marquee.innerHTML=marqueecontent/ `) ^5 }- ~7 R$ f# u/ ^4 J# a% d
actualwidth=document.all? cross_marquee.offsetWidth : document.getElementById("temp").offsetWidth4 [# j- `3 T) `6 Z/ E- U0 q0 x
}
7 x$ K7 v$ E; Nelse if (document.layers){5 J1 o: Z& O& X+ H! n5 M! ~
ns_marquee=document.ns_marquee.document.ns_marquee2) \. B5 ^3 z& i7 _8 `
ns_marquee.left=marqueewidth+8
4 Q7 D& O! ]" \: ?6 i  gns_marquee.document.write(marqueecontent)
$ d4 [( ]+ o. b- t/ e7 P& ~ns_marquee.document.close()- h- x( s! @9 `  [
actualwidth=ns_marquee.document.width
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lefttime=setInterval("scrollmarquee()",20)
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window.onload=populate4 p( d2 [5 h/ F/ ~* c. q/ c7 q5 s
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function scrollmarquee(){/ m  V. |- R: [+ h, m
if (iedom){
* _+ E0 D. S# X) Xif (parseInt(cross_marquee.style.left)>(actualwidth*(-1)+8))
; e% D3 u2 Q: ]& G/ r7 Pcross_marquee.style.left=parseInt(cross_marquee.style.left)-copyspeed4 z& m. y+ h* E2 ]
else
! A+ }/ T4 P. F( tcross_marquee.style.left=marqueewidth+85 D0 o4 G! |/ Z/ _8 Z9 D

+ \/ }1 H0 U0 L2 V8 D( A/ i9 l4 ?}
: p! E2 x' i! _9 t. z) A$ _else if (document.layers){5 g# p4 g8 U, f' j0 m* v3 m
if (ns_marquee.left>(actualwidth*(-1)+8))
+ _' v! T: W' o3 [/ W6 N) ons_marquee.left-=copyspeed, L6 F) U# L3 A0 B1 d% y1 v
else
" o) N1 F5 ?, a6 [ns_marquee.left=marqueewidth+8% \: _; f! t9 q4 \* U# I6 F
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}
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! U% R# G5 L0 N; v' q' H+ j: @if (iedom||document.layers){
9 \  r! m+ m$ dwith (document){
' i8 u9 ~% s" v, _8 D' Rdocument.write('<table border="0" cellspacing="0" cellpadding="0"><td>')
4 ?3 v4 ^$ B9 C% ]0 Z* R  p$ U1 dif (iedom){
8 ^6 `8 R) {6 wwrite('<div style="position:relative;width:'+marqueewidth+';height:'+marqueeheight+';overflow:hidden">')
4 S$ W0 p$ b  L& m' l( G) Z9 W, Ewrite('<div style="position:absolute;width:'+marqueewidth+';height:'+marqueeheight+';background-color:'+marqueebgcolor+'" onMouseover="copyspeed=pausespeed" onMouseout="copyspeed=marqueespeed">')0 }- F% ~' g% C$ J; F  z4 t
write('<div id="iemarquee" style="position:absolute;left:0;top:0"></div>')
* w8 P0 i8 h* K0 t) Rwrite('</div>')7 y2 ]. w" ]0 W' r+ [
}$ E4 P4 [2 S6 U9 @: j* J
else if (document.layers){
' N7 |3 I2 a" z& c! Mwrite('<ilayer width='+marqueewidth+' height='+marqueeheight+' name="ns_marquee" bgColor='+marqueebgcolor+'>')
5 F) p8 z4 b1 k7 k6 Uwrite('<layer name="ns_marquee2" left=0 top=0 onMouseover="copyspeed=pausespeed" onMouseout="copyspeed=marqueespeed"></layer>')# S3 Y; x2 k1 }6 C, m
write('</ilayer>')
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document.write('</td></table>')) n+ v2 H3 J4 p
}
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/ e* N% \: i+ m, q4 ]</script>