网页之跑马灯文字特效

zw2004

//修改宽度, z# I; k* c( N& W: g
var marqueewidth=300
# _- E1 Y2 @- R  i. i//高度
3 d6 X8 G# v2 \# F: Q5 b1 \* u( Avar marqueeheight=25% W) Z! f* Y, e2 v0 B2 {! S
//速度(1-10)
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//背景颜色
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" j/ Q/ r  w. y- G$ `//是否能暂停 (0=no. 1=yes)?+ i% `% m2 d: M3 [$ n( q4 s
var pauseit=1
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//修改显示内容. v( k) b( X7 w, y- y2 l
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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7 V) |# k# K& x3 [" |9 B////下面不需改变////////////
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var copyspeed=marqueespeed
# j# k: G9 u2 Y, J3 o4 xvar pausespeed=(pauseit==0)? copyspeed: 01 `* h. K% j+ }9 G) N4 g+ N
var iedom=document.all||document.getElementById
2 I% Q# N! H3 A1 Iif (iedom)
) n" `, L1 T! @6 u; vdocument.write('<span id="temp" style="visibility:hidden;position:absolute;top:-100;left:-1000">'+marqueecontent+'</span>'). S6 g* K$ i% K2 V# h
var actualwidth=''2 t' V% w! n- u$ Q, Y6 p
var cross_marquee, ns_marquee" t% s' C+ b: Z' g+ A9 v, x
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function populate(){
. [0 R$ A+ I0 G$ \* v$ nif (iedom){
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4 T; e+ p0 D7 {: \' O4 e) hcross_marquee.style.left=marqueewidth+85 O9 l, b& |# T9 K1 e
cross_marquee.innerHTML=marqueecontent" l0 ]9 u  H1 O" j1 f: }/ {
actualwidth=document.all? cross_marquee.offsetWidth : document.getElementById("temp").offsetWidth
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else if (document.layers){$ p/ S0 f) J& ~2 Q* |( V& J
ns_marquee=document.ns_marquee.document.ns_marquee2
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ns_marquee.document.write(marqueecontent)
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actualwidth=ns_marquee.document.width, D( {& B) Z3 P+ Z1 t
}
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window.onload=populate- g) i8 H! Z% u4 d* F" X  k7 D4 \
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function scrollmarquee(){
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7 r5 y/ [% \5 n5 j7 n6 jif (parseInt(cross_marquee.style.left)>(actualwidth*(-1)+8))
* ~% M/ p1 Z+ Y8 J2 tcross_marquee.style.left=parseInt(cross_marquee.style.left)-copyspeed9 D' D. b4 X* x. p! h
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cross_marquee.style.left=marqueewidth+88 D6 t9 v$ J: T. f4 Y
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}
. P3 o: }3 q  A& o4 s" x4 eelse if (document.layers){
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ns_marquee.left-=copyspeed
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+ ?5 @" V. _! c3 q+ |if (iedom||document.layers){3 j2 W& E  c/ w* M) E2 T  d: j
with (document){
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if (iedom){$ `7 F' d, [0 Y8 d: C
write('<div style="position:relative;width:'+marqueewidth+';height:'+marqueeheight+';overflow:hidden">')! {7 {1 z- O& j% _
write('<div style="position:absolute;width:'+marqueewidth+';height:'+marqueeheight+';background-color:'+marqueebgcolor+'" onMouseover="copyspeed=pausespeed" onMouseout="copyspeed=marqueespeed">')% m6 ?. H# B" n
write('<div id="iemarquee" style="position:absolute;left:0;top:0"></div>')
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}
7 Z/ s* Y7 N, M+ L( n# R4 helse if (document.layers){
! S1 ?( p5 y, `& swrite('<ilayer width='+marqueewidth+' height='+marqueeheight+' name="ns_marquee" bgColor='+marqueebgcolor+'>')
+ U; O' D6 D0 a( kwrite('<layer name="ns_marquee2" left=0 top=0 onMouseover="copyspeed=pausespeed" onMouseout="copyspeed=marqueespeed"></layer>')* l# j9 x) O$ w2 l1 q
write('</ilayer>')
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# Z' D, x0 W& x9 A" X) ~document.write('</td></table>')
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}
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