网页之跑马灯文字特效

zw2004

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//高度
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//背景颜色
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& F. L5 B; f  ^3 x" |//是否能暂停 (0=no. 1=yes)?
8 |! i* T( W% _7 O$ L7 evar pauseit=1, |0 D4 J% X6 u: O( ^

5 {# n& @; t% `* V6 f- e/ }& t//修改显示内容# D8 h3 e, L5 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$ H2 _, @0 ~# A9 a. f( p

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var copyspeed=marqueespeed# x( _/ q% f' u4 s  h8 `
var pausespeed=(pauseit==0)? copyspeed: 0, Q2 I" a! T7 C% O. e
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if (iedom): V8 T0 v, L+ u# e" P$ U5 }3 {2 k: ~" q
document.write('<span id="temp" style="visibility:hidden;position:absolute;top:-100;left:-1000">'+marqueecontent+'</span>')
9 u& \+ z1 A. J5 Zvar actualwidth=''4 t" y2 y$ q& U1 y" d0 F$ r
var cross_marquee, ns_marquee
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function populate(){
) x; ]7 e/ R/ ]1 H0 Jif (iedom){
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5 A$ C; n, N% J0 z0 C* gcross_marquee.style.left=marqueewidth+8! b" v  _6 T! q" z/ n" {6 R
cross_marquee.innerHTML=marqueecontent
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else if (document.layers){9 o+ u" V2 B6 u4 \/ m
ns_marquee=document.ns_marquee.document.ns_marquee2
# _( n7 ~" i: X0 X+ tns_marquee.left=marqueewidth+8
, L  J) k& Q2 ~- i: H4 Xns_marquee.document.write(marqueecontent)
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% c, X5 r4 M8 t. i: n' {actualwidth=ns_marquee.document.width' b; L9 l: U$ Y6 Q9 l
}
2 m/ W, q/ l' }# Q9 W% Zlefttime=setInterval("scrollmarquee()",20)6 E% C' b5 w; z; N# L! P8 ^7 O! W
}
- i) j7 _5 Y3 ]1 Y$ X+ Owindow.onload=populate5 N4 R" ^& e( q6 \$ N
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function scrollmarquee(){, g" }) ], w7 M5 Y# A; j, a
if (iedom){) B# a( U# w! {+ k6 g* I
if (parseInt(cross_marquee.style.left)>(actualwidth*(-1)+8))# a0 w. j* K$ `3 U0 C
cross_marquee.style.left=parseInt(cross_marquee.style.left)-copyspeed
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cross_marquee.style.left=marqueewidth+8
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8 P4 {7 a6 ~0 v2 H! b( W+ Oelse if (document.layers){3 s/ y) e& E2 q9 |/ ~, v6 B
if (ns_marquee.left>(actualwidth*(-1)+8))+ T7 ^, _9 }2 d+ L& q9 F) M
ns_marquee.left-=copyspeed
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ns_marquee.left=marqueewidth+8. V) M: Z% K6 }6 o7 X& p
}
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if (iedom||document.layers){
' C) o  }% k  [4 Qwith (document){
, k. E: x1 a- i3 [4 n) d6 Adocument.write('<table border="0" cellspacing="0" cellpadding="0"><td>')
; b* G' ?1 m: n& S4 x' [6 |if (iedom){) H# g1 v* {' x8 b5 P6 @/ m
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, ?/ l8 e$ A+ r0 f8 Fwrite('<div style="position:absolute;width:'+marqueewidth+';height:'+marqueeheight+';background-color:'+marqueebgcolor+'" onMouseover="copyspeed=pausespeed" onMouseout="copyspeed=marqueespeed">')
/ k' M! v; `5 r, q2 L2 ]$ jwrite('<div id="iemarquee" style="position:absolute;left:0;top:0"></div>')6 T& m. E: N8 s7 b4 j% i( e
write('</div>')
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3 T" A0 d9 A# u+ T- Nelse if (document.layers){1 [6 K+ {( y* s% I# J6 z7 ?% U4 l+ x
write('<ilayer width='+marqueewidth+' height='+marqueeheight+' name="ns_marquee" bgColor='+marqueebgcolor+'>')
: a* y3 C: `+ _* O0 H; i, {write('<layer name="ns_marquee2" left=0 top=0 onMouseover="copyspeed=pausespeed" onMouseout="copyspeed=marqueespeed"></layer>')
2 r( F# F' B! R. D7 H7 cwrite('</ilayer>')
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document.write('</td></table>')
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