网页之跑马灯文字特效

zw2004

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var marqueeheight=25
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var marqueebgcolor="#FFFFFF"
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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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var copyspeed=marqueespeed
2 D# T* g; R& m( ?) rvar pausespeed=(pauseit==0)? copyspeed: 0
! ^" G8 x9 w: q9 T" q) Pvar iedom=document.all||document.getElementById
1 J( `$ I* G6 D  s7 P, kif (iedom)
4 h. ]4 j/ x# Z' pdocument.write('<span id="temp" style="visibility:hidden;position:absolute;top:-100;left:-1000">'+marqueecontent+'</span>')
0 s: c! ~( G& Wvar actualwidth=''
  I) p- H! u2 A6 |9 w- Yvar cross_marquee, ns_marquee8 o1 }7 `/ }$ b) K
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function populate(){
6 {( A6 S) m1 Dif (iedom){
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7 l; G$ n# L! ]: j# c- _cross_marquee.innerHTML=marqueecontent
* s. D; C% H$ i' Z* a9 g" z2 s1 T( `1 mactualwidth=document.all? cross_marquee.offsetWidth : document.getElementById("temp").offsetWidth% O: {: D  e; N) P) ^! Y# V/ R0 {
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else if (document.layers){
8 N. O, r7 c( S: [2 V. y3 Ons_marquee=document.ns_marquee.document.ns_marquee2
( I8 \4 x# J! h) |6 u2 T* yns_marquee.left=marqueewidth+8
; S# C. @& Q, @2 ~( r: ~+ A/ \ns_marquee.document.write(marqueecontent)
* C; z+ O5 V1 ?+ N6 i9 x. p, G2 Rns_marquee.document.close()
5 G; c7 e3 y0 \! lactualwidth=ns_marquee.document.width
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window.onload=populate3 x3 h& S- Y! E2 n; i
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function scrollmarquee(){
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if (parseInt(cross_marquee.style.left)>(actualwidth*(-1)+8))4 D# }' O7 ^( ^( C2 d; y
cross_marquee.style.left=parseInt(cross_marquee.style.left)-copyspeed  U7 @1 ~1 ?! f! [
else
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4 A; U" o, k+ Q, y! K; Z5 \if (ns_marquee.left>(actualwidth*(-1)+8))
/ P; E: d' P2 @) U, l+ Nns_marquee.left-=copyspeed
, Z$ z1 K" V( o3 Oelse
+ y0 `, M% D7 _  Yns_marquee.left=marqueewidth+8  T& D) V  O* ]4 n4 T, P' ]
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if (iedom||document.layers){
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document.write('<table border="0" cellspacing="0" cellpadding="0"><td>')
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write('<div style="position:relative;width:'+marqueewidth+';height:'+marqueeheight+';overflow:hidden">')
: k$ f( v$ S" S2 y2 xwrite('<div style="position:absolute;width:'+marqueewidth+';height:'+marqueeheight+';background-color:'+marqueebgcolor+'" onMouseover="copyspeed=pausespeed" onMouseout="copyspeed=marqueespeed">')
! i  K/ ~/ g8 i1 b8 [) wwrite('<div id="iemarquee" style="position:absolute;left:0;top:0"></div>')
) h2 K6 m$ i# m: y& \' ?write('</div>')
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write('<ilayer width='+marqueewidth+' height='+marqueeheight+' name="ns_marquee" bgColor='+marqueebgcolor+'>')9 j  q$ V6 H# Y! N8 C& f
write('<layer name="ns_marquee2" left=0 top=0 onMouseover="copyspeed=pausespeed" onMouseout="copyspeed=marqueespeed"></layer>')
: n) f( i" }  K: ~# swrite('</ilayer>')$ e9 X- \5 k$ m( {7 _6 _
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document.write('</td></table>')
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