网页之跑马灯文字特效

zw2004

//修改宽度) t! S- s2 L) ?% y3 `& p
var marqueewidth=3006 B: g! ^" e7 y3 C. b- ^9 S$ I
//高度6 l. b- `# j: A3 L. j- A9 ^
var marqueeheight=253 @8 `( p  {9 A) Z  g
//速度(1-10)
& ]& @& i/ k( |  `* e0 Ovar marqueespeed=3: ]9 V0 \3 V9 t% r% D
//背景颜色$ t3 v$ r; V  u  S5 Y7 L
var marqueebgcolor="#FFFFFF"
9 P/ P, T; i: |* Q' L) E1 ?//是否能暂停 (0=no. 1=yes)?: ~5 @% C" K7 Q. @, M, S
var pauseit=1- x( m& c; {. c) ]( p, q6 w( p8 j

- h$ u% M+ K5 v, s* G//修改显示内容9 f4 T1 L1 h' `+ T7 ]3 v/ Q
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////////////. _) f: m  \- y$ V9 e

( X% j( M3 O& {; `+ T/ ^+ t$ M; y3 svar copyspeed=marqueespeed; ]: V: G& W, e# O& Q  |- X
var pausespeed=(pauseit==0)? copyspeed: 0) [3 T5 _1 t( B% G% |7 v  u+ ?$ M
var iedom=document.all||document.getElementById+ W& Y# s! }! |# _0 N. f3 E: B
if (iedom)+ R4 z+ t* V% I1 w0 B
document.write('<span id="temp" style="visibility:hidden;position:absolute;top:-100;left:-1000">'+marqueecontent+'</span>')7 T, }6 g) e9 c5 Q
var actualwidth=''
$ ~! Z* l# ~1 E5 d/ l0 mvar cross_marquee, ns_marquee
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" w; H5 ?. `. Z8 dfunction populate(){% F' G9 E; q& K( t3 G
if (iedom){/ t+ C# L7 v$ x! x  r
cross_marquee=document.getElementById? document.getElementById("iemarquee") : document.all.iemarquee5 ^" C9 j- m3 z/ r+ I2 {4 a
cross_marquee.style.left=marqueewidth+8
8 n6 A  z; J+ s3 o7 d# @6 e' B( Ccross_marquee.innerHTML=marqueecontent
6 ?- G3 Z( Z7 N# xactualwidth=document.all? cross_marquee.offsetWidth : document.getElementById("temp").offsetWidth
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else if (document.layers){
: C3 n0 ^8 m( {' V; H" i% }$ L  Pns_marquee=document.ns_marquee.document.ns_marquee2
3 b# N3 z* O" G& L2 i$ f- Ons_marquee.left=marqueewidth+8
* p( I; F8 d2 p- i7 o: [2 Ins_marquee.document.write(marqueecontent)% w( }3 p% `/ i5 H) O+ g( S
ns_marquee.document.close()
6 I$ T% z% u; r+ Y$ lactualwidth=ns_marquee.document.width0 Q. i" g( p; R) ]' @6 f# U# J
}
- d' f; [  \% W  flefttime=setInterval("scrollmarquee()",20)1 `) Q. N" B- m' l5 C/ n7 D' E
}
! P: k) b' c  e/ Lwindow.onload=populate5 w; h3 q* b2 F! _5 J
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function scrollmarquee(){. }7 ?" ?& g  n2 I+ ^( c
if (iedom){1 p" G2 K( c% H  n  R
if (parseInt(cross_marquee.style.left)>(actualwidth*(-1)+8))6 v; \5 T5 B' W; }% J; ]) L" G9 l
cross_marquee.style.left=parseInt(cross_marquee.style.left)-copyspeed
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cross_marquee.style.left=marqueewidth+80 t$ G6 U) r: u/ Q5 g5 v2 D- E5 `/ m

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# B1 ?( Z& m$ z8 delse if (document.layers){/ B; a7 B  M- a+ ^( b
if (ns_marquee.left>(actualwidth*(-1)+8))+ f8 I1 p1 z- a% g7 [. ^! i
ns_marquee.left-=copyspeed1 d# d' D- u/ M# R( ^* K
else# [2 O3 Q- f; _$ h4 X) @3 y/ G% g
ns_marquee.left=marqueewidth+8
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- |0 q* E& F/ N6 @1 o: A" w. y0 H) n( Iif (iedom||document.layers){
! o4 l! C+ U0 L+ Y# w- s: Swith (document){: {. O0 Y1 y+ U* e( V* Q, Z( u" w' Y
document.write('<table border="0" cellspacing="0" cellpadding="0"><td>')
4 x/ x' a, O5 I& F( _2 S; {; Qif (iedom){
  `! c: I4 }, P: i7 ?write('<div style="position:relative;width:'+marqueewidth+';height:'+marqueeheight+';overflow:hidden">')
' j) b6 S2 s' V0 \/ Qwrite('<div style="position:absolute;width:'+marqueewidth+';height:'+marqueeheight+';background-color:'+marqueebgcolor+'" onMouseover="copyspeed=pausespeed" onMouseout="copyspeed=marqueespeed">')
" c; `5 k! Z( v& N4 Jwrite('<div id="iemarquee" style="position:absolute;left:0;top:0"></div>')
. h- {6 z0 o; t6 gwrite('</div>'). }. ^) R8 A; H6 r
}6 i+ B4 g4 M# B( [: i+ w
else if (document.layers){
% a, U( A4 o5 Y" }$ [. Dwrite('<ilayer width='+marqueewidth+' height='+marqueeheight+' name="ns_marquee" bgColor='+marqueebgcolor+'>')
) I8 P8 o0 ^! {9 ]write('<layer name="ns_marquee2" left=0 top=0 onMouseover="copyspeed=pausespeed" onMouseout="copyspeed=marqueespeed"></layer>')
% B. P; k6 E/ F( ]" }7 kwrite('</ilayer>')
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document.write('</td></table>')$ }1 {0 i. z! E* r
}
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