网页之跑马灯文字特效

zw2004

//修改宽度. i' Z- g8 Q; @# @5 C( G7 O
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//高度7 |" U; e0 W  e) n0 H
var marqueeheight=25
& x0 N9 }& c5 E/ ~# T! K' q. D  q//速度(1-10)% p8 J* p5 ]+ f
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//是否能暂停 (0=no. 1=yes)?
+ M4 [3 ^6 B3 Q  N# X2 X7 Qvar pauseit=1  z' m' x/ F! d0 p9 [% G

; z! d) N$ _1 \- U/ a& K7 U: c//修改显示内容  F0 F& t% @' V  u& A/ i
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>'9 q" a9 E( S" U3 g* G( q( H1 Y( y
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////下面不需改变////////////
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var copyspeed=marqueespeed
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1 y4 M+ k% w6 D6 \/ ~var iedom=document.all||document.getElementById3 R6 @9 t* A. D: N
if (iedom); Y& K3 i! s0 D9 O
document.write('<span id="temp" style="visibility:hidden;position:absolute;top:-100;left:-1000">'+marqueecontent+'</span>')
* W- y3 u0 E$ z8 ]/ evar actualwidth=''
' ?9 A- h. H" \9 m0 k% X2 Cvar cross_marquee, ns_marquee" }+ c1 U( P$ p; p3 y1 h

" v2 Y$ [" z! T2 n( e6 N& m; @function populate(){
/ Y; T9 {3 x, A  R. Uif (iedom){6 _# B' l7 F( ?5 l! w
cross_marquee=document.getElementById? document.getElementById("iemarquee") : document.all.iemarquee
9 Y3 ?1 o, T& Z. ycross_marquee.style.left=marqueewidth+88 m( z0 c: r  K# R+ ^
cross_marquee.innerHTML=marqueecontent: }  M( l) m3 T: s
actualwidth=document.all? cross_marquee.offsetWidth : document.getElementById("temp").offsetWidth! d8 s! X8 b+ I+ v7 L; k
}$ ]- a4 b. J- X0 e; C# L% j
else if (document.layers){
9 L' a0 q9 H9 v" h3 ^, Zns_marquee=document.ns_marquee.document.ns_marquee2
) R' b2 j: f8 H/ d  Mns_marquee.left=marqueewidth+8) o- J) r  K/ B6 q& M9 ]0 q
ns_marquee.document.write(marqueecontent); @: d  [/ p, ?
ns_marquee.document.close()
( B+ c. C1 ]- r! E: ^actualwidth=ns_marquee.document.width
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7 b/ g. a. \1 ~' y8 f1 Xlefttime=setInterval("scrollmarquee()",20). o. o0 y; D7 x" P: D, a, }/ \' A
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window.onload=populate& Z# v3 `8 \4 q6 N+ N. N. z  o

( f7 l9 u( _" y, U/ y# h  Mfunction scrollmarquee(){
3 D( R6 i% h3 x# h7 Xif (iedom){
. y8 R) _4 W/ Y1 X3 a; P- @, u- mif (parseInt(cross_marquee.style.left)>(actualwidth*(-1)+8))
' j' b, N3 e8 [1 S9 C# x8 x: Xcross_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){* z* t: J' R( \! C2 ?
if (ns_marquee.left>(actualwidth*(-1)+8))* o* w, b$ ~3 s
ns_marquee.left-=copyspeed0 k$ `: d. v& z4 Q: k* N3 i8 i& ^
else# n4 V8 ]5 t: J( W! j
ns_marquee.left=marqueewidth+8' r$ ~$ ~) g* G6 y
}
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if (iedom||document.layers){) H; R# K* `1 z& I. f9 t
with (document){
) H1 o0 }% D! Y" cdocument.write('<table border="0" cellspacing="0" cellpadding="0"><td>')+ X' h% P" y# ^+ r. Y, v* i
if (iedom){9 m$ S: s8 E. U' B# n
write('<div style="position:relative;width:'+marqueewidth+';height:'+marqueeheight+';overflow:hidden">')- k) z2 k$ [7 j. e7 z2 m/ N
write('<div style="position:absolute;width:'+marqueewidth+';height:'+marqueeheight+';background-color:'+marqueebgcolor+'" onMouseover="copyspeed=pausespeed" onMouseout="copyspeed=marqueespeed">')( c5 F0 P/ R* a- H) A; i2 j
write('<div id="iemarquee" style="position:absolute;left:0;top:0"></div>')
1 H% h. ~1 I8 R$ _+ H8 A  s: T" y1 ^write('</div>')6 r. a4 u% t/ j% O! F1 ~# {
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) R2 r/ Q0 }& g2 [- W9 @& _3 ielse if (document.layers){
# A' j2 I% @" Uwrite('<ilayer width='+marqueewidth+' height='+marqueeheight+' name="ns_marquee" bgColor='+marqueebgcolor+'>')
) u- g2 l; |7 c, xwrite('<layer name="ns_marquee2" left=0 top=0 onMouseover="copyspeed=pausespeed" onMouseout="copyspeed=marqueespeed"></layer>')
7 o! M! y) f8 U3 b4 Swrite('</ilayer>')5 {: A, ~' ^4 Z3 R2 d1 L0 T* M
}
8 o$ o7 S1 U: p( Sdocument.write('</td></table>')
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