网页之跑马灯文字特效

zw2004

//修改宽度
/ E$ ~  E% j$ k& j* tvar marqueewidth=3008 u# }! V( x0 R+ p$ v! [
//高度% a5 i. _$ a* Q0 C- `
var marqueeheight=25" Z$ G- U0 Y( E
//速度(1-10)
: b2 O% F2 N0 e, w* [+ g& nvar marqueespeed=34 i: L, G$ m  d6 o
//背景颜色
0 ]" `* T6 M& i; \5 |4 Tvar marqueebgcolor="#FFFFFF"8 H8 O4 x  L/ \1 R
//是否能暂停 (0=no. 1=yes)?6 `. U  s# ]3 \, C, [+ D- N! u9 v
var pauseit=1
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$ Z( Y$ O. \" F//修改显示内容
4 `2 |: `: H& l( Y9 Hvar 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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# o* h& X" i! _% K( o3 ]////下面不需改变////////////
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  r- {' \+ q; M( X: Yvar copyspeed=marqueespeed( O( ]0 `1 m% s3 O0 s
var pausespeed=(pauseit==0)? copyspeed: 08 x* H$ A- P( l6 x
var iedom=document.all||document.getElementById) ?' g+ A. [1 I7 D" h# v' P
if (iedom)2 s( k/ p; I  ?& z- L
document.write('<span id="temp" style="visibility:hidden;position:absolute;top:-100;left:-1000">'+marqueecontent+'</span>')
* x: x( D* y8 g  `% S# lvar actualwidth=''* k4 f$ |1 S! s; e; e( G
var cross_marquee, ns_marquee- p5 w0 s+ ?; _: o0 e, |

( E& {" l4 u, s5 v5 j* hfunction populate(){5 [3 W) v# y0 E4 t6 {0 E
if (iedom){' s$ C6 {: D% h% \, m7 _
cross_marquee=document.getElementById? document.getElementById("iemarquee") : document.all.iemarquee
5 @- L. a) g8 g2 |+ c: e9 |cross_marquee.style.left=marqueewidth+8: x: W- O) g+ J" }" z1 c
cross_marquee.innerHTML=marqueecontent0 n/ i- v4 T' W
actualwidth=document.all? cross_marquee.offsetWidth : document.getElementById("temp").offsetWidth
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else if (document.layers){
! W$ d& J+ e- X3 t# |* xns_marquee=document.ns_marquee.document.ns_marquee2
! `3 ^8 ^8 u7 l. e( O. Dns_marquee.left=marqueewidth+8
, V& w* g7 n9 v" j0 F4 Ins_marquee.document.write(marqueecontent)
0 q# o' w7 v  r* G- D/ Vns_marquee.document.close()7 K5 K( t  M% n' E$ J( J- S. V
actualwidth=ns_marquee.document.width
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lefttime=setInterval("scrollmarquee()",20)
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window.onload=populate
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function scrollmarquee(){
" j% D5 `- U6 C" Xif (iedom){) O7 T+ @7 q9 L; O% t
if (parseInt(cross_marquee.style.left)>(actualwidth*(-1)+8))
! E; `0 t2 M6 C$ Ncross_marquee.style.left=parseInt(cross_marquee.style.left)-copyspeed
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cross_marquee.style.left=marqueewidth+8
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else if (document.layers){
, {% l1 B) ^% q0 x6 v" Tif (ns_marquee.left>(actualwidth*(-1)+8))3 D# Q: D/ x' V! T
ns_marquee.left-=copyspeed
+ v0 o9 ?! r; n5 j) a4 w1 Kelse$ `' o! n6 c1 Z
ns_marquee.left=marqueewidth+87 j) y% k( V0 F: Q/ J
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if (iedom||document.layers){
+ Q( x5 z# j6 ^9 ~' {with (document){' U# \: _* n- W
document.write('<table border="0" cellspacing="0" cellpadding="0"><td>')
& f3 ]- j0 l, r' V# U% J) aif (iedom){) _; q  k. A# z% j. x7 V
write('<div style="position:relative;width:'+marqueewidth+';height:'+marqueeheight+';overflow:hidden">')  N8 K2 ?9 v, c( b  m- f+ k9 h
write('<div style="position:absolute;width:'+marqueewidth+';height:'+marqueeheight+';background-color:'+marqueebgcolor+'" onMouseover="copyspeed=pausespeed" onMouseout="copyspeed=marqueespeed">')0 D1 i. x$ B7 `6 a8 i  U- _7 ?
write('<div id="iemarquee" style="position:absolute;left:0;top:0"></div>')
5 u5 H; A1 I) ~" Z. n# b  v& T. Jwrite('</div>')( ]: S1 f% m* F0 R0 j
}$ _/ r( x3 G) M- p
else if (document.layers){
+ c/ J- E2 L; j0 P3 y+ w* Q; f3 M. ~write('<ilayer width='+marqueewidth+' height='+marqueeheight+' name="ns_marquee" bgColor='+marqueebgcolor+'>')
$ B6 }- m" t  L9 T! l( `write('<layer name="ns_marquee2" left=0 top=0 onMouseover="copyspeed=pausespeed" onMouseout="copyspeed=marqueespeed"></layer>')
7 r" B' K5 `6 ^write('</ilayer>')
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document.write('</td></table>')( R- H2 j6 j. ]+ {% j
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}
( X  t7 ~" a0 B. O# _</script>