网页之跑马灯文字特效

zw2004

//修改宽度( r. {9 u, T# f' [9 w4 t
var marqueewidth=3002 W. |9 O" F( F" W4 j0 m# W
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  G- o( L5 _, B4 x% K# ~//是否能暂停 (0=no. 1=yes)?
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//修改显示内容. C5 _7 G  _9 T, t# L: j* H* G
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////////////% B0 s/ r; T- Q1 E2 j/ U6 Q

# n) |. q0 _+ a2 Ivar copyspeed=marqueespeed
1 N5 \0 @0 ~9 q0 ~& z" f3 Evar pausespeed=(pauseit==0)? copyspeed: 0
1 M/ ]5 f4 ?7 D. C3 v* Wvar iedom=document.all||document.getElementById" U. a2 E" f+ ^# ?! p) ~6 l. s& }4 J
if (iedom)' w1 I# y2 r1 s/ g# ~/ o/ W, g6 I: a
document.write('<span id="temp" style="visibility:hidden;position:absolute;top:-100;left:-1000">'+marqueecontent+'</span>')
  q& a: \  }( o4 ]$ `+ Cvar actualwidth=''
) C5 C" O* A0 L- r  G/ _5 h9 m: v0 Ovar cross_marquee, ns_marquee
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6 {7 h! B" K  J/ \! }function populate(){, e% o! H1 ?. O8 S6 c; F
if (iedom){! p  G# w: A( l
cross_marquee=document.getElementById? document.getElementById("iemarquee") : document.all.iemarquee
4 V4 g; H4 y" Y+ N( bcross_marquee.style.left=marqueewidth+89 V  ^3 E4 |# v/ _. Y' M
cross_marquee.innerHTML=marqueecontent+ s. O% Z- g8 _5 v3 k' ^- ^
actualwidth=document.all? cross_marquee.offsetWidth : document.getElementById("temp").offsetWidth
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0 s5 z- C' a" \7 }else if (document.layers){& ]- n5 a" C% d+ l
ns_marquee=document.ns_marquee.document.ns_marquee2, n! x  `0 r( {1 [  X
ns_marquee.left=marqueewidth+82 ^) B/ x3 b% m8 S/ O' D
ns_marquee.document.write(marqueecontent)6 W6 u8 [/ ^9 j/ n+ g0 @( s) w1 G
ns_marquee.document.close()
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}
3 }( i! V) R4 T6 A" K! ?$ e* ^4 Dlefttime=setInterval("scrollmarquee()",20)
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window.onload=populate
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function scrollmarquee(){" S# U: O( [, h* }
if (iedom){
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cross_marquee.style.left=parseInt(cross_marquee.style.left)-copyspeed
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cross_marquee.style.left=marqueewidth+8+ L0 N  o! [7 x# T4 W- g9 Z( }
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else if (document.layers){: a; M2 T: J* w6 w+ O+ B" Z% n
if (ns_marquee.left>(actualwidth*(-1)+8))  f/ z& U2 q$ O. T$ J" `5 r6 x' i
ns_marquee.left-=copyspeed9 @; z4 T1 Z6 n& Z1 g0 g$ \3 x
else
9 [; e' J' d% o8 j& H  Fns_marquee.left=marqueewidth+8
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if (iedom||document.layers){, L: c' M6 {# h3 x% X
with (document){
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8 r8 C1 h2 w0 J0 zif (iedom){! x0 S+ ^+ u3 w6 B0 e
write('<div style="position:relative;width:'+marqueewidth+';height:'+marqueeheight+';overflow:hidden">')
% a% m( f0 j6 ?- C- b( n' rwrite('<div style="position:absolute;width:'+marqueewidth+';height:'+marqueeheight+';background-color:'+marqueebgcolor+'" onMouseover="copyspeed=pausespeed" onMouseout="copyspeed=marqueespeed">')
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write('</div>')# x$ K" i$ M/ J+ h0 |" {1 Q/ J) _
}; h, m- P) M! c  A" [8 O
else if (document.layers){
- `. i9 b% E# S3 T$ Zwrite('<ilayer width='+marqueewidth+' height='+marqueeheight+' name="ns_marquee" bgColor='+marqueebgcolor+'>')
* I' H; S, h; d# uwrite('<layer name="ns_marquee2" left=0 top=0 onMouseover="copyspeed=pausespeed" onMouseout="copyspeed=marqueespeed"></layer>')" ^, d0 U' t9 w7 E0 R% F4 R
write('</ilayer>')
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, a& F% a. [7 ?4 Xdocument.write('</td></table>')/ u+ j- R! `) W1 I. @. q' x
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