网页之跑马灯文字特效

zw2004

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var marqueewidth=3005 K& p7 H( }( I& i$ d; I4 g* u) D1 H
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var marqueeheight=25% k6 U( U* L3 D1 S
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var marqueespeed=3% _0 ~( E8 s( T6 f* l8 H
//背景颜色
* ^0 \. [/ d6 A+ f( N6 d+ b' |- wvar marqueebgcolor="#FFFFFF"
$ j1 S4 R0 V) t4 t4 U/ o//是否能暂停 (0=no. 1=yes)?( V6 N" c4 F+ o: l6 O* H
var pauseit=11 s% ^8 C  L9 M

7 l9 E! X# Z7 @# Q  j5 [//修改显示内容2 P7 z. \" p# |
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////////////2 n$ y& [* T1 @, _: O
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var copyspeed=marqueespeed  p2 g5 K4 v3 _! c0 P+ u
var pausespeed=(pauseit==0)? copyspeed: 0
1 d! ?" I# `* l* Ovar iedom=document.all||document.getElementById1 }9 D5 Y( T' @" [# S
if (iedom)2 C- J3 B% d. P5 y9 j% I% ^& D  k8 }
document.write('<span id="temp" style="visibility:hidden;position:absolute;top:-100;left:-1000">'+marqueecontent+'</span>')- k* y  F  t% F
var actualwidth=''+ y4 U: x4 X) w" ~$ K0 z
var cross_marquee, ns_marquee. |' u  f8 D8 G  @# _( O

& _! Y: J5 o' U9 d5 P. [+ \function populate(){! z: {1 ^9 c+ N  g: ?  S
if (iedom){$ w6 Y7 L/ S& `" |
cross_marquee=document.getElementById? document.getElementById("iemarquee") : document.all.iemarquee& r3 s  |1 P/ `- v8 G" u
cross_marquee.style.left=marqueewidth+8
# c' O" o6 F' R2 t# Dcross_marquee.innerHTML=marqueecontent
' H3 |2 W1 w0 M3 h* H/ l2 ?0 Gactualwidth=document.all? cross_marquee.offsetWidth : document.getElementById("temp").offsetWidth, ?( X: `# i9 ~" M- a
}
- K# w8 m! }$ {  R- e+ K" Nelse if (document.layers){
4 i! O6 F+ @, Dns_marquee=document.ns_marquee.document.ns_marquee2
5 S( H6 P$ v, H  ~: ]7 nns_marquee.left=marqueewidth+8
! I1 L7 _( \$ s) H6 Y2 Wns_marquee.document.write(marqueecontent)
5 f; {# E; X3 jns_marquee.document.close()8 g+ e9 h+ ~7 Q) J/ q. |
actualwidth=ns_marquee.document.width* c/ e! _" \1 e+ d4 Z$ h- ]
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lefttime=setInterval("scrollmarquee()",20)- _, ^( P) f2 z" @5 y
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window.onload=populate8 s4 @" Q/ G+ M5 ^7 ]( m
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function scrollmarquee(){1 x8 K1 f/ P$ y3 L1 g$ I) P7 I
if (iedom){
, d( Y- _( T, l5 B- m" }" aif (parseInt(cross_marquee.style.left)>(actualwidth*(-1)+8))
$ |/ F0 z$ @% P) W# ~" W6 Lcross_marquee.style.left=parseInt(cross_marquee.style.left)-copyspeed
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else if (document.layers){
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ns_marquee.left-=copyspeed  }: [6 O8 ~# S% W3 J+ S& {: q
else
! c3 m9 R7 e0 R7 r# X/ ?ns_marquee.left=marqueewidth+80 s+ Q6 P9 t9 a$ C
}
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$ P/ x1 y3 `  D( o) {
. C( y2 I4 d# [# u, ~if (iedom||document.layers){
* ~2 H7 P* A- Ywith (document){5 B5 M$ }$ W. T, O' c
document.write('<table border="0" cellspacing="0" cellpadding="0"><td>')! j8 v: ]9 M' O- U  `( o
if (iedom){
" l  e. z& M: e) cwrite('<div style="position:relative;width:'+marqueewidth+';height:'+marqueeheight+';overflow:hidden">')% ?8 G2 P6 ~" }; _, H
write('<div style="position:absolute;width:'+marqueewidth+';height:'+marqueeheight+';background-color:'+marqueebgcolor+'" onMouseover="copyspeed=pausespeed" onMouseout="copyspeed=marqueespeed">')9 `1 [* N6 W, H7 S2 p+ b. |/ H
write('<div id="iemarquee" style="position:absolute;left:0;top:0"></div>')# H" N0 Y* I; c. Q/ h! w
write('</div>')6 \: Y! o" z" K" ]8 k8 R) h% B
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else if (document.layers){* E7 m% a- [6 r5 t2 u6 \$ c+ h. ?
write('<ilayer width='+marqueewidth+' height='+marqueeheight+' name="ns_marquee" bgColor='+marqueebgcolor+'>')& k9 b" Z$ }8 S' F0 R/ X
write('<layer name="ns_marquee2" left=0 top=0 onMouseover="copyspeed=pausespeed" onMouseout="copyspeed=marqueespeed"></layer>')
5 I! ~) z% Z4 F( [1 L3 e4 A) gwrite('</ilayer>')
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document.write('</td></table>')
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}
. K% s% _8 p) K4 @) z2 P0 E! Z3 t! x</script>