网页之跑马灯文字特效

zw2004

//修改宽度
) Q6 {: {5 @- i9 Rvar marqueewidth=300' n; G) R: y! p  m8 n! \
//高度
  {+ \9 L& A& ]1 n6 A, Pvar marqueeheight=25+ y- V: x% m  ?6 Z, X' Y
//速度(1-10)) I& d; u! Z6 v7 j; \/ Z9 f: `
var marqueespeed=3/ X1 C: b4 p) K  u% q; X' K- {
//背景颜色% ^+ ]3 S, X/ \
var marqueebgcolor="#FFFFFF"" B! P/ J. ~1 o% p  r! W  C
//是否能暂停 (0=no. 1=yes)?! y  |3 c* \' |- z- A) }
var pauseit=1
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//修改显示内容" U% U9 i. T. y$ U2 F
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>'3 W# x& x7 |" M5 j% E
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5 D% ]3 I& Y5 `( B* U# q////下面不需改变////////////2 g0 A- J( D/ B, o$ k+ w: s/ g
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var copyspeed=marqueespeed
( F+ v+ v+ R3 |* C/ m5 T" q" {6 {( u$ Pvar pausespeed=(pauseit==0)? copyspeed: 0% O8 H* l( x: P& x/ e$ Y# B
var iedom=document.all||document.getElementById" c0 h# x( S- }  D! q6 N
if (iedom)
; y6 `3 g% Z+ C. H: R" u( f8 \- tdocument.write('<span id="temp" style="visibility:hidden;position:absolute;top:-100;left:-1000">'+marqueecontent+'</span>'): `8 Z( F9 l, e8 @
var actualwidth=''. ]7 I2 F; {& a* d; b
var cross_marquee, ns_marquee
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function populate(){
1 \( X+ x3 ]1 P. w, s0 Fif (iedom){( p& D+ L; Y3 m0 [& y
cross_marquee=document.getElementById? document.getElementById("iemarquee") : document.all.iemarquee
5 J& H' ~0 k) P% [4 i2 Pcross_marquee.style.left=marqueewidth+8' y8 G4 e! ]& U( ?8 Y% L, C1 v
cross_marquee.innerHTML=marqueecontent+ T0 z" j$ |) b
actualwidth=document.all? cross_marquee.offsetWidth : document.getElementById("temp").offsetWidth
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else if (document.layers){2 j# _4 T9 l8 d! g: F6 I
ns_marquee=document.ns_marquee.document.ns_marquee2
  y6 L" Z; N2 H- s8 Ens_marquee.left=marqueewidth+8
% j" g4 i2 Q  G0 A' c  N2 l8 Y) lns_marquee.document.write(marqueecontent)
3 W/ u7 c7 I0 Gns_marquee.document.close()
3 w1 l, m9 f# G- U8 ?1 I4 Sactualwidth=ns_marquee.document.width/ [; u' F# m9 U* H9 G" G
}
0 w( I6 L$ R* C' |& p& s: olefttime=setInterval("scrollmarquee()",20): J6 b  i# ]3 H+ L# D3 h) Z
}
, ^6 T- ]2 S. O  k' O& r5 ^# O; O6 }6 kwindow.onload=populate
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function scrollmarquee(){
- Q* S5 ^# ~4 f4 g  g* oif (iedom){
) Z, c: Q6 X& Tif (parseInt(cross_marquee.style.left)>(actualwidth*(-1)+8)); U. A  d' c) W3 ]  W
cross_marquee.style.left=parseInt(cross_marquee.style.left)-copyspeed2 A! X# p+ m# w/ s9 C. D; v
else2 a3 G. g8 G2 c4 r! I  u
cross_marquee.style.left=marqueewidth+8& r( L0 y) n9 a3 m0 Y* y
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else if (document.layers){
$ J7 M) }0 v8 u; D2 cif (ns_marquee.left>(actualwidth*(-1)+8))  P7 U4 W: V0 c/ }, t
ns_marquee.left-=copyspeed
* `/ {& Z+ P5 \1 d" ?else
1 C3 @7 n" L% P6 v$ c" M5 sns_marquee.left=marqueewidth+8
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if (iedom||document.layers){5 a/ v& t8 Q1 G( e- S! b
with (document){2 b& y& t1 P9 @; \
document.write('<table border="0" cellspacing="0" cellpadding="0"><td>')" t* z  {' o7 ?7 b2 Y
if (iedom){
& d( O& ?7 T! h1 _5 h% r3 A- x# Bwrite('<div style="position:relative;width:'+marqueewidth+';height:'+marqueeheight+';overflow:hidden">')
5 t5 J& U1 N* ?0 swrite('<div style="position:absolute;width:'+marqueewidth+';height:'+marqueeheight+';background-color:'+marqueebgcolor+'" onMouseover="copyspeed=pausespeed" onMouseout="copyspeed=marqueespeed">')! G* K% \8 ~) Z0 Q7 H6 v
write('<div id="iemarquee" style="position:absolute;left:0;top:0"></div>')
' k& \) u; m! c. ?$ @/ T6 z/ qwrite('</div>')
. V. d( M* M5 z; f: _* O}
; b' o8 e- e- `else if (document.layers){6 u) q% r5 s& J: N6 S! V+ e; \
write('<ilayer width='+marqueewidth+' height='+marqueeheight+' name="ns_marquee" bgColor='+marqueebgcolor+'>')5 z" ]) O3 s4 X
write('<layer name="ns_marquee2" left=0 top=0 onMouseover="copyspeed=pausespeed" onMouseout="copyspeed=marqueespeed"></layer>')8 b+ w* n$ C- Y' u, `
write('</ilayer>')
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4 d4 j$ Z7 R+ f, n4 Ndocument.write('</td></table>')
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}
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