网页之跑马灯文字特效

zw2004

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//高度
$ h" g$ r9 G! R' d! P" N" ?1 ^var marqueeheight=25* c/ X. F/ D. c; ]9 f
//速度(1-10)
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//背景颜色
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2 X# \* H  f: h/ o2 q; R1 h//是否能暂停 (0=no. 1=yes)?
2 m+ i3 H1 Z& C! x! m* F1 N* yvar pauseit=1
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  Y' }/ B6 F5 |2 d/ R/ u9 @3 p//修改显示内容
  q9 ~4 l* a: w* z6 ^) Svar 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>'# g% M: A2 V3 a" o

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( w# ]# n7 d2 ]1 b8 P. v////下面不需改变////////////  V) ~5 \" d2 N$ ]

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" y5 a( B" e5 D0 W  ^/ \if (iedom)
4 v, v' f9 Y7 h# [6 I. b; x# Gdocument.write('<span id="temp" style="visibility:hidden;position:absolute;top:-100;left:-1000">'+marqueecontent+'</span>')9 b2 K' l) {3 |
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0 }2 Y3 g# }9 I+ U9 dfunction populate(){9 r1 E7 i" G' q3 O
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7 ^; k. u* q$ Q. V4 X; ecross_marquee.innerHTML=marqueecontent
7 t+ Z1 d3 h  @2 p% Dactualwidth=document.all? cross_marquee.offsetWidth : document.getElementById("temp").offsetWidth
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. l1 |3 v9 p$ @2 W, w- y& Q# Xns_marquee.document.write(marqueecontent)
9 @; e# }* H8 }, u- z& a0 gns_marquee.document.close()
9 x/ G; t3 x8 Lactualwidth=ns_marquee.document.width
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. j4 W8 F" X8 `# U- K' Olefttime=setInterval("scrollmarquee()",20), y- ]6 Z. _* p3 [- I8 j& _. b
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& U7 H: C3 G+ Z$ o' {window.onload=populate
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  X) l& f3 e, W1 ]4 s1 w% ufunction scrollmarquee(){6 Z+ z' A2 i& _
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3 w) U$ i/ H+ R4 T. ~( `. Jif (parseInt(cross_marquee.style.left)>(actualwidth*(-1)+8))- v" L% b( l7 K9 y' \. R
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else9 t0 i! r! O& o3 j% ~& T
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+ o- t8 S! }. a5 s7 P2 J4 \with (document){8 S6 F% V6 g( r5 N. p+ ]
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$ _; T- R% n& C& F1 r  O) owrite('<div style="position:relative;width:'+marqueewidth+';height:'+marqueeheight+';overflow:hidden">')8 t! t1 A0 w6 _8 a8 S  ^* m; V  k+ o
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; o# |) k; F8 D$ z: O0 j+ Bwrite('</ilayer>')
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