网页之跑马灯文字特效

zw2004

//修改宽度
3 E) b$ w$ a  N! Vvar marqueewidth=300
7 Q# d  H( w6 g* d1 e) a//高度
& N. k' V' [+ Yvar marqueeheight=25
& L! }! V9 }& r, F" V7 P: j//速度(1-10)5 r9 q; Z% D' b( W2 l
var marqueespeed=3
5 W0 P5 Y0 j" b: ]. @( Z( B9 M8 k//背景颜色6 {2 y7 _1 u) S1 J3 l4 I: F
var marqueebgcolor="#FFFFFF"  K+ _8 f( q" b1 _+ T( O* p5 A
//是否能暂停 (0=no. 1=yes)?" z$ ?$ Z! s* H- I3 W  X3 n
var pauseit=1
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//修改显示内容$ e2 [9 ]) ?. I' w6 R
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////////////
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5 @3 X! b3 D+ f0 lvar copyspeed=marqueespeed
- M1 A- X: o+ Uvar pausespeed=(pauseit==0)? copyspeed: 0: n8 f$ M+ {, |
var iedom=document.all||document.getElementById- H; {$ g. ^3 L! s
if (iedom)) ?4 ]+ Z0 N/ c' o9 |9 Y
document.write('<span id="temp" style="visibility:hidden;position:absolute;top:-100;left:-1000">'+marqueecontent+'</span>')/ K8 N- G, ]; _  x' q# D( N  M
var actualwidth=''  v8 ~6 V) F- k' e
var cross_marquee, ns_marquee  p$ S5 Z2 `6 j1 x& w! ?
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function populate(){1 {8 O! E! k6 r) E
if (iedom){
7 X5 ]; i4 M8 n* o, Kcross_marquee=document.getElementById? document.getElementById("iemarquee") : document.all.iemarquee; H) y# L: f6 r3 F: U% `* ^3 j  L, Q
cross_marquee.style.left=marqueewidth+8$ M! ?& `6 ^0 Y2 M# R) p! T. N
cross_marquee.innerHTML=marqueecontent
) I1 v. B  P9 \6 ?# u) pactualwidth=document.all? cross_marquee.offsetWidth : document.getElementById("temp").offsetWidth
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else if (document.layers){) O5 ~  n$ s' _$ f0 D  ?% b4 N
ns_marquee=document.ns_marquee.document.ns_marquee2% d7 Q. }2 Q. \% V' b- T7 O
ns_marquee.left=marqueewidth+8
6 H9 S. w. q5 D; {& b  ]ns_marquee.document.write(marqueecontent)
1 \6 m7 `6 v& \  dns_marquee.document.close()) T" m! R% m$ f- ^: \2 f
actualwidth=ns_marquee.document.width
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2 p# p" N7 C# r1 j" |- ]lefttime=setInterval("scrollmarquee()",20)) c2 S( A5 x- L+ Q( A3 L5 [. q
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window.onload=populate
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+ w8 y8 d/ q2 R5 ^' I) rfunction scrollmarquee(){8 L  l1 @, B! l9 j& }
if (iedom){$ C# s0 a5 i9 x) x
if (parseInt(cross_marquee.style.left)>(actualwidth*(-1)+8))
9 |( K. o5 @6 W/ ncross_marquee.style.left=parseInt(cross_marquee.style.left)-copyspeed
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cross_marquee.style.left=marqueewidth+8
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}
! O. F' [3 d( h9 v$ celse if (document.layers){
5 j- X8 n. H* N# ^3 L. Vif (ns_marquee.left>(actualwidth*(-1)+8))
( N/ G! R8 o# \6 p: X8 b. ans_marquee.left-=copyspeed
- {4 c$ O# }: }/ celse( L, m( _) e+ Y
ns_marquee.left=marqueewidth+8
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if (iedom||document.layers){
) u/ C, e9 I, {with (document){
" o( |3 C2 s/ Adocument.write('<table border="0" cellspacing="0" cellpadding="0"><td>')
4 F* Q& v" E& \if (iedom){' L6 F6 N& ~) |
write('<div style="position:relative;width:'+marqueewidth+';height:'+marqueeheight+';overflow:hidden">')& {% k5 z, Z' h/ p7 J, F
write('<div style="position:absolute;width:'+marqueewidth+';height:'+marqueeheight+';background-color:'+marqueebgcolor+'" onMouseover="copyspeed=pausespeed" onMouseout="copyspeed=marqueespeed">')6 f4 ]6 P, {5 f, e
write('<div id="iemarquee" style="position:absolute;left:0;top:0"></div>')
! n) D. O0 C# Awrite('</div>')8 G$ h' T/ M5 M7 h9 G- }" n6 ?, p
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else if (document.layers){
+ |3 {  ]( `* f/ u& e! G2 \write('<ilayer width='+marqueewidth+' height='+marqueeheight+' name="ns_marquee" bgColor='+marqueebgcolor+'>')
# |! i9 D8 U7 g+ @3 c4 Xwrite('<layer name="ns_marquee2" left=0 top=0 onMouseover="copyspeed=pausespeed" onMouseout="copyspeed=marqueespeed"></layer>')
  b  \% a: M2 i- q) uwrite('</ilayer>')
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document.write('</td></table>')
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}
  |( r9 y" p! L, x</script>