网页之跑马灯文字特效

zw2004

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var marqueewidth=300
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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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var copyspeed=marqueespeed
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if (iedom)9 I$ i' B0 O' `6 ?' D% s6 S
document.write('<span id="temp" style="visibility:hidden;position:absolute;top:-100;left:-1000">'+marqueecontent+'</span>')* n  N' O3 d$ G, x2 S$ C1 j
var actualwidth=''; i# Y9 M2 z) u) |! L7 M5 Q9 q
var cross_marquee, ns_marquee
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function populate(){2 K+ I* X0 |$ d; s/ A$ k
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cross_marquee=document.getElementById? document.getElementById("iemarquee") : document.all.iemarquee9 I+ [; }9 b7 n( l
cross_marquee.style.left=marqueewidth+85 }3 C  \  F" b. v$ A6 F
cross_marquee.innerHTML=marqueecontent; t: j. n6 S* K" A' r7 O  g
actualwidth=document.all? cross_marquee.offsetWidth : document.getElementById("temp").offsetWidth7 D* \* f* o& D/ ^* M5 ]
}
; P/ H$ Q( W. Z+ @6 felse if (document.layers){
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; g9 u( I) G3 Y, Gns_marquee.document.close()
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}
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window.onload=populate
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: P7 v4 s" k- Zfunction scrollmarquee(){
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if (parseInt(cross_marquee.style.left)>(actualwidth*(-1)+8))
- @, Y8 e$ ]; U% O! qcross_marquee.style.left=parseInt(cross_marquee.style.left)-copyspeed
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else if (document.layers){
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ns_marquee.left-=copyspeed
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}
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if (iedom||document.layers){2 Z0 j& k3 {# W- O
with (document){
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if (iedom){8 Y( ]( T! }) O
write('<div style="position:relative;width:'+marqueewidth+';height:'+marqueeheight+';overflow:hidden">')! b# }5 m" a" s, U2 w; z
write('<div style="position:absolute;width:'+marqueewidth+';height:'+marqueeheight+';background-color:'+marqueebgcolor+'" onMouseover="copyspeed=pausespeed" onMouseout="copyspeed=marqueespeed">')' w0 r: {( l# v% q4 i9 ^
write('<div id="iemarquee" style="position:absolute;left:0;top:0"></div>')" s+ X& O6 C$ E" u+ w/ f
write('</div>')# n3 v+ U5 z1 T  f
}
7 Y' z1 H5 V! c! X8 O' Celse if (document.layers){
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write('<layer name="ns_marquee2" left=0 top=0 onMouseover="copyspeed=pausespeed" onMouseout="copyspeed=marqueespeed"></layer>')
, C- y4 z7 a8 A! c7 ^write('</ilayer>')
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5 Y( f, `' b5 j5 j$ q4 ^document.write('</td></table>')6 P- n7 `$ {1 ]
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