网页之跑马灯文字特效

zw2004

//修改宽度
5 P  ~! l/ ?9 |) @/ u; }3 Z9 m/ D" evar marqueewidth=3004 B, R+ g! p5 F8 M7 O
//高度2 Q* X( M! J4 x: L; v
var marqueeheight=25+ V" d+ [* V! w+ b, P6 g
//速度(1-10)0 L" X3 d, ]! H  ]
var marqueespeed=38 E0 @. H) n# G* t( n' L/ l
//背景颜色
# [* Z2 p! ?+ w3 |: Ivar marqueebgcolor="#FFFFFF") ^; U$ N' Q4 G& o  C! h$ r
//是否能暂停 (0=no. 1=yes)?( |! h0 d4 r: v. D- N% U
var pauseit=1
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//修改显示内容" U; r6 B, x. A+ H1 n
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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# E) M% \' B1 F- Z" N! q0 U////下面不需改变////////////3 F4 R- w$ B. h7 Q* b: M

# k' c& \) B  g* P( k3 j1 Ovar copyspeed=marqueespeed
1 n* @% t# v9 O3 Bvar pausespeed=(pauseit==0)? copyspeed: 0
# o( H! b, _1 L8 w0 k  f' Z/ Ovar iedom=document.all||document.getElementById
+ a$ ~0 `7 m1 h8 Q) m  ^  [if (iedom)
$ R! d, b8 Y  m3 {* ]/ D' ldocument.write('<span id="temp" style="visibility:hidden;position:absolute;top:-100;left:-1000">'+marqueecontent+'</span>'). c7 w: `, a. }5 h1 c' H, k
var actualwidth=''
! ~* F' Y( C# A0 q: Pvar cross_marquee, ns_marquee* t5 S8 F; X! i) q8 a1 i9 n0 j+ L
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function populate(){2 O; a+ S% w2 t$ S6 p
if (iedom){7 w6 ~2 v- z& Z% s1 ]. h
cross_marquee=document.getElementById? document.getElementById("iemarquee") : document.all.iemarquee7 i9 n# l) _* S1 `' o. |  d
cross_marquee.style.left=marqueewidth+8
/ |$ F: d8 W) [4 S" \cross_marquee.innerHTML=marqueecontent! a. D6 W! s" [: H
actualwidth=document.all? cross_marquee.offsetWidth : document.getElementById("temp").offsetWidth
6 A6 A0 x: Y1 _$ t: X}
$ h3 h- f9 }$ C2 _5 telse if (document.layers){( E+ n% v  H6 M; d! h; Z2 n
ns_marquee=document.ns_marquee.document.ns_marquee2
4 ~- i7 K, b0 L7 bns_marquee.left=marqueewidth+8% h, P4 ]8 m* [* b
ns_marquee.document.write(marqueecontent)
1 ^! O! R1 Z# R8 S# sns_marquee.document.close()
5 w' |( k+ k3 h+ n( Z% Xactualwidth=ns_marquee.document.width4 S. o. t9 o& E" i
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lefttime=setInterval("scrollmarquee()",20)
) ]) D: C$ v, u, p3 L. w}
5 f$ X% [6 E  U3 C* `0 pwindow.onload=populate
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function scrollmarquee(){
/ {" f8 G. E( x1 [. |+ x6 Vif (iedom){! ]2 _, R, m/ F& g0 P9 n4 u
if (parseInt(cross_marquee.style.left)>(actualwidth*(-1)+8))! Q  P' C0 \2 \6 s2 t# h
cross_marquee.style.left=parseInt(cross_marquee.style.left)-copyspeed
7 g+ [& V9 J( J2 \" Jelse
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}
3 }+ A1 ~5 M: n4 v8 o/ Yelse if (document.layers){
( W& T8 V" M1 Z$ [4 M& pif (ns_marquee.left>(actualwidth*(-1)+8))' O; C3 B" {" u/ Y9 U2 c
ns_marquee.left-=copyspeed
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ns_marquee.left=marqueewidth+82 C- y5 Q) M9 s/ J
}
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/ E" Z1 ~. X: c& l; a( N, G6 Pif (iedom||document.layers){
+ D8 t+ @' G# s$ X% H# Uwith (document){
( o0 c$ a, ^/ D1 k" Q$ ^document.write('<table border="0" cellspacing="0" cellpadding="0"><td>'); e$ @8 r5 z* N2 G8 \+ ^+ A
if (iedom){) p6 @, @6 S* ^$ t' V1 u3 [
write('<div style="position:relative;width:'+marqueewidth+';height:'+marqueeheight+';overflow:hidden">')
. P* q: @. k6 j6 k5 |- X- G5 k+ Hwrite('<div style="position:absolute;width:'+marqueewidth+';height:'+marqueeheight+';background-color:'+marqueebgcolor+'" onMouseover="copyspeed=pausespeed" onMouseout="copyspeed=marqueespeed">')
+ B; `6 C2 _: t' U# Kwrite('<div id="iemarquee" style="position:absolute;left:0;top:0"></div>')
9 f/ s+ S7 X; j8 m' B5 w( \write('</div>')+ `3 N0 H; |* `' \8 y- u! H+ z# A
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else if (document.layers){3 {* ]3 z- _8 U7 j
write('<ilayer width='+marqueewidth+' height='+marqueeheight+' name="ns_marquee" bgColor='+marqueebgcolor+'>')5 _8 J; X4 u- p1 f, W
write('<layer name="ns_marquee2" left=0 top=0 onMouseover="copyspeed=pausespeed" onMouseout="copyspeed=marqueespeed"></layer>')
. J1 n* g, x$ h* d2 kwrite('</ilayer>')
# \. D, {" x% c! F  a}
  t2 L! M( d  u/ E  F6 y0 pdocument.write('</td></table>')
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}  }% l/ H( w& @' m, g& u4 L0 X
</script>