网页之跑马灯文字特效

zw2004

//修改宽度
: R3 d/ m! ^, Q" Svar marqueewidth=300
. ]( \' f2 \/ _0 N) _; X  H8 g//高度+ Y2 b0 ]  v' l/ L
var marqueeheight=25
4 j, Y" r0 O$ U, j, x  V6 {//速度(1-10)) k( G- ]7 }1 ?. h' L# J
var marqueespeed=39 w4 t# M2 D( u5 _
//背景颜色0 W+ T1 p$ i) I" ]: x& h
var marqueebgcolor="#FFFFFF"6 O) N' L9 z' p* E) ]2 w6 v
//是否能暂停 (0=no. 1=yes)?
/ S) T3 M8 i. i& l; K* \  k& b2 Hvar pauseit=1
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//修改显示内容% G  _% U$ ]& `; t9 x# }7 Q$ u
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>'  E: g# T$ }! e

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! I7 l& W8 F' a$ V, h, |0 e////下面不需改变////////////
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var copyspeed=marqueespeed
6 A2 I* o7 c/ a0 ^var pausespeed=(pauseit==0)? copyspeed: 0
* P( p1 k: Q6 d7 svar iedom=document.all||document.getElementById
% V$ X! Z/ O4 bif (iedom)' Y4 _  X6 p) H: {  W% l2 ]0 h
document.write('<span id="temp" style="visibility:hidden;position:absolute;top:-100;left:-1000">'+marqueecontent+'</span>')
2 t/ a& {& I) Xvar actualwidth=''4 J9 r# f, m& S+ H
var cross_marquee, ns_marquee
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$ S/ Q* Q! l* g- C3 D% j' Tfunction populate(){% B' B. e+ R3 C8 j$ \" B( k
if (iedom){- g+ ]3 g+ s7 z& d1 Z1 Y3 j# {
cross_marquee=document.getElementById? document.getElementById("iemarquee") : document.all.iemarquee
+ o% |3 j) ^$ vcross_marquee.style.left=marqueewidth+8! s1 ~$ Y: K& F
cross_marquee.innerHTML=marqueecontent. G9 t; C/ [6 R
actualwidth=document.all? cross_marquee.offsetWidth : document.getElementById("temp").offsetWidth
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else if (document.layers){
  r( b/ ]5 L% t0 q- Q1 C4 hns_marquee=document.ns_marquee.document.ns_marquee29 k% B4 \# a: H3 m! U4 s
ns_marquee.left=marqueewidth+8
7 w( S  W: L+ n* I  x: ~ns_marquee.document.write(marqueecontent)
" P0 }5 g0 y& B4 s- ?& Ons_marquee.document.close()$ w& }  T) i7 U! |4 X
actualwidth=ns_marquee.document.width
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lefttime=setInterval("scrollmarquee()",20)
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window.onload=populate8 k+ f$ |' ^4 |
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function scrollmarquee(){
6 {9 z% b9 r3 b) O& l+ L# Mif (iedom){
: l9 X) m/ [) u. ?if (parseInt(cross_marquee.style.left)>(actualwidth*(-1)+8))
5 \' v. h: T% f+ g$ R" Fcross_marquee.style.left=parseInt(cross_marquee.style.left)-copyspeed! k& D# x+ s( Y9 Y3 S* G1 O* K
else
  b  o' C1 G% _cross_marquee.style.left=marqueewidth+8
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}
$ i6 K) o2 N* g3 Ielse if (document.layers){
: X8 P# a: g6 Sif (ns_marquee.left>(actualwidth*(-1)+8))7 @' L# j' N2 d+ L- I" P. ]# o
ns_marquee.left-=copyspeed* R3 Q* F: @  l2 U. U2 O/ c4 m
else, R$ G0 D- V+ @* |/ d) @
ns_marquee.left=marqueewidth+85 P4 ^) i8 Z% _/ V" T  F7 O- y7 W3 d
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}
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if (iedom||document.layers){; p1 G2 h8 p) X
with (document){
& }& v2 z4 n! r9 h9 V0 y, vdocument.write('<table border="0" cellspacing="0" cellpadding="0"><td>')
7 }" r3 R9 W2 W1 r9 oif (iedom){
9 S7 n4 ?! N# J* X  [write('<div style="position:relative;width:'+marqueewidth+';height:'+marqueeheight+';overflow:hidden">')
, v0 Q; z) I, y: u5 k! \write('<div style="position:absolute;width:'+marqueewidth+';height:'+marqueeheight+';background-color:'+marqueebgcolor+'" onMouseover="copyspeed=pausespeed" onMouseout="copyspeed=marqueespeed">')
1 z# F) q( d7 Swrite('<div id="iemarquee" style="position:absolute;left:0;top:0"></div>')
$ S5 M4 U7 i* f% A3 c, n  A" G$ T6 }write('</div>')3 q0 K: v. c6 [1 E
}) m# R+ T  Z5 T' ~" Y: _
else if (document.layers){& K: L2 B% w3 ^! R1 l* t: Z9 x
write('<ilayer width='+marqueewidth+' height='+marqueeheight+' name="ns_marquee" bgColor='+marqueebgcolor+'>')' S) P9 l+ w9 @$ b1 @
write('<layer name="ns_marquee2" left=0 top=0 onMouseover="copyspeed=pausespeed" onMouseout="copyspeed=marqueespeed"></layer>')
  i( c. K& @' R2 w# |" Q/ L  Jwrite('</ilayer>')8 W& t; m; C  P9 Y9 _6 s4 |
}+ @6 ?) i: Y/ f7 ~! q& h" r- d
document.write('</td></table>')& Y  T! F( j1 c# U" |, m" `/ w
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}
+ Y' b2 o4 f4 b( S! Q9 r, \</script>