网页之跑马灯文字特效

zw2004

//修改宽度
  l' H( g/ p# W2 z  ~5 ?var marqueewidth=3004 o# o& S4 X% a6 v) \) F
//高度, t! T$ i8 a$ ~
var marqueeheight=25/ i2 H7 F8 Q1 W2 Q1 Q4 S- W
//速度(1-10)
: Q* r& i) p( U* s, y, Wvar marqueespeed=3$ m( v) X) J' j3 r0 ~* j: J
//背景颜色: J& X/ W1 z7 y; D+ l1 W
var marqueebgcolor="#FFFFFF"
/ L5 W& Y- E9 s9 N5 L& z//是否能暂停 (0=no. 1=yes)?: ]) s0 x( g5 S& C* @) z5 C! P
var pauseit=15 `# L# p3 ^4 ^* I! V, `5 S- n

) Y* B% d  E: r  w$ v5 V//修改显示内容1 \* q; L$ P2 m: _1 z1 j- k! u6 v
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////////////5 ~2 f7 ]3 B9 s4 v5 |

6 E! c1 W0 X2 u( b) e8 q7 Gvar copyspeed=marqueespeed+ X1 S4 w! K$ x9 x+ _; A# C/ ?
var pausespeed=(pauseit==0)? copyspeed: 0
! n! J) e$ k! a- z0 W& H% y6 Svar iedom=document.all||document.getElementById
5 K. E) }. S6 [0 W% \if (iedom)
/ D8 R, F+ g# e  Wdocument.write('<span id="temp" style="visibility:hidden;position:absolute;top:-100;left:-1000">'+marqueecontent+'</span>')3 \$ X% O7 J8 L& ^- l* \8 E
var actualwidth=''. n: v% Y- N& J. `2 U& M' S2 |
var cross_marquee, ns_marquee+ `+ J! N8 X5 Q* d7 g
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function populate(){  I  N! N% Q4 ^: S5 ^4 q
if (iedom){! `/ J1 I  H, y  A) Z! `+ @
cross_marquee=document.getElementById? document.getElementById("iemarquee") : document.all.iemarquee
4 a6 `9 A+ P: D) I5 ~5 b8 t; Across_marquee.style.left=marqueewidth+8
5 k  m% v' k0 V: u9 U) ?) `cross_marquee.innerHTML=marqueecontent2 e' |/ w6 C0 V# d
actualwidth=document.all? cross_marquee.offsetWidth : document.getElementById("temp").offsetWidth
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! \, h% ?$ Z) b' ?" _, \else if (document.layers){  I  ?) U' M3 ^( K% a1 d$ Q5 J( D9 n
ns_marquee=document.ns_marquee.document.ns_marquee2! w# k' P" Q$ n8 `3 a: Y
ns_marquee.left=marqueewidth+8" W1 m: ~1 d# O* a* \
ns_marquee.document.write(marqueecontent)
* q2 _! ~  G" {, ~6 ans_marquee.document.close()
2 V8 _  |' ~: @3 A! Vactualwidth=ns_marquee.document.width/ Y9 U* H: Z, ]
}; t! F+ }4 C) F! @8 D6 r
lefttime=setInterval("scrollmarquee()",20)$ T: K: t; Q% c) A0 K
}
2 b4 |% {9 h  K+ }& v& O4 Awindow.onload=populate9 j0 i, y2 f6 i# @
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function scrollmarquee(){& t# P2 S2 c8 M. i% d; @8 S
if (iedom){- h! o) Z+ t6 Y
if (parseInt(cross_marquee.style.left)>(actualwidth*(-1)+8))
# W1 W" ^$ }3 l5 O3 Pcross_marquee.style.left=parseInt(cross_marquee.style.left)-copyspeed
0 O! n. C  d* S1 J5 qelse
0 x/ h  g, [. k9 ]cross_marquee.style.left=marqueewidth+84 j! c) G  t3 m

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( ^0 g! V4 W/ W, J# U, w9 l9 Belse if (document.layers){7 R' m. {. T# g! N  l) N5 c5 v
if (ns_marquee.left>(actualwidth*(-1)+8)): |$ c% C* c" Q7 q' ?% d. n
ns_marquee.left-=copyspeed$ C8 `, \  v+ y0 l
else0 {! x1 m; M5 m% D& C/ L
ns_marquee.left=marqueewidth+8
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2 R& c8 V$ ?( I4 F5 n. y* Cif (iedom||document.layers){4 j+ U% v; @+ U$ Q( R
with (document){6 |! ~: t( K2 q
document.write('<table border="0" cellspacing="0" cellpadding="0"><td>')
/ `1 R: C$ @6 J: w' v+ P: p9 ]1 X# z: Wif (iedom){2 b' |+ P5 ^% |* S* n
write('<div style="position:relative;width:'+marqueewidth+';height:'+marqueeheight+';overflow:hidden">')
) d( X2 ?9 }+ U# o! }7 ]* M3 Mwrite('<div style="position:absolute;width:'+marqueewidth+';height:'+marqueeheight+';background-color:'+marqueebgcolor+'" onMouseover="copyspeed=pausespeed" onMouseout="copyspeed=marqueespeed">')" ~# }: `5 a6 A! B2 S
write('<div id="iemarquee" style="position:absolute;left:0;top:0"></div>')
( k- r( N/ U1 u/ |write('</div>')
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$ ]! Q$ @7 g4 ^else if (document.layers){1 l" x9 j4 h6 U
write('<ilayer width='+marqueewidth+' height='+marqueeheight+' name="ns_marquee" bgColor='+marqueebgcolor+'>')+ @2 o7 Q( P2 ?2 B* e1 f& N8 E  H
write('<layer name="ns_marquee2" left=0 top=0 onMouseover="copyspeed=pausespeed" onMouseout="copyspeed=marqueespeed"></layer>')
. w8 k1 A/ G' I6 Fwrite('</ilayer>')
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, D. G% H8 M, p: C( Y7 Ndocument.write('</td></table>')3 @3 D& P1 `3 L! N. y; l
}
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