网页之跑马灯文字特效

zw2004

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var marqueewidth=300( }: w$ K8 I# B% S* W
//高度
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//速度(1-10)
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" M9 ~3 U$ ]+ E. w% {- _//背景颜色
0 _, U6 D$ F- a7 R; Avar marqueebgcolor="#FFFFFF"
% x+ k+ k; q  e  K+ `, A//是否能暂停 (0=no. 1=yes)?
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' r8 D* |$ r4 F5 C" X- g2 K" q  [//修改显示内容* C' i2 |6 y, ^. O
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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$ o( Q  T) b+ E, O& u////下面不需改变////////////! b: O4 \( \/ L  `- Y9 P7 O: m
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var copyspeed=marqueespeed
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var iedom=document.all||document.getElementById8 X& q# n  h/ t6 B7 A/ e
if (iedom)+ s7 q- Z/ K2 |6 }# Q
document.write('<span id="temp" style="visibility:hidden;position:absolute;top:-100;left:-1000">'+marqueecontent+'</span>')
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var cross_marquee, ns_marquee
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function populate(){
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cross_marquee=document.getElementById? document.getElementById("iemarquee") : document.all.iemarquee
- j4 p! E) W) f5 Y6 C- Ncross_marquee.style.left=marqueewidth+83 A9 B! f) f7 G1 w
cross_marquee.innerHTML=marqueecontent. B& h4 ?0 l/ z8 h6 t8 s: B" a
actualwidth=document.all? cross_marquee.offsetWidth : document.getElementById("temp").offsetWidth  U; S% e  r8 M$ r
}
( K' |0 y% L1 j( jelse if (document.layers){& Q: [& B" |6 U# d' ]6 G& l1 I$ b
ns_marquee=document.ns_marquee.document.ns_marquee2$ {* T. {# f. p7 o: L* e8 M
ns_marquee.left=marqueewidth+83 l, d* X, |; d
ns_marquee.document.write(marqueecontent)
: ~3 ~& z6 ^. D# V( ~# Y! Yns_marquee.document.close()
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lefttime=setInterval("scrollmarquee()",20)& E7 Z; `" I7 l  G2 ]2 P
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window.onload=populate
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function scrollmarquee(){2 {* `/ g) P/ U* I
if (iedom){$ F6 h$ ^8 @2 e7 p
if (parseInt(cross_marquee.style.left)>(actualwidth*(-1)+8))! n. ~: U/ g8 t5 I3 X# F7 U
cross_marquee.style.left=parseInt(cross_marquee.style.left)-copyspeed7 G3 f7 k, ^" r, y. }9 c' O
else
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4 K) a" E1 ]7 J# Z+ q  Xelse if (document.layers){$ Z' i" \/ T8 [: M/ s6 B1 \
if (ns_marquee.left>(actualwidth*(-1)+8))
- Q/ }8 E2 i' Yns_marquee.left-=copyspeed
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ns_marquee.left=marqueewidth+83 c# T; k- y2 U- \8 F
}
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if (iedom||document.layers){
9 W) L3 [7 Y) l. {with (document){
6 t# ?& X# H+ S) p6 S* R  N/ edocument.write('<table border="0" cellspacing="0" cellpadding="0"><td>')
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- T" [- S; k0 twrite('<div style="position:relative;width:'+marqueewidth+';height:'+marqueeheight+';overflow:hidden">')% b$ E/ T+ ]* _8 i' i
write('<div style="position:absolute;width:'+marqueewidth+';height:'+marqueeheight+';background-color:'+marqueebgcolor+'" onMouseover="copyspeed=pausespeed" onMouseout="copyspeed=marqueespeed">'); N2 `: E  n, _
write('<div id="iemarquee" style="position:absolute;left:0;top:0"></div>')# F$ P! c" A3 O
write('</div>')
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& A0 N! A9 T* `! Delse if (document.layers){
6 F9 t1 L8 x7 L- k8 ^write('<ilayer width='+marqueewidth+' height='+marqueeheight+' name="ns_marquee" bgColor='+marqueebgcolor+'>')$ F+ z3 f9 h' D4 O% |
write('<layer name="ns_marquee2" left=0 top=0 onMouseover="copyspeed=pausespeed" onMouseout="copyspeed=marqueespeed"></layer>')- P, W$ S2 S- U1 Q" R
write('</ilayer>')) d2 f7 }5 Q4 G( \% I8 h
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document.write('</td></table>')
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