网页之跑马灯文字特效

zw2004

//修改宽度; r4 B& R( m" r' }' m4 Y
var marqueewidth=3009 ]' I' V0 s7 K
//高度
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$ R8 P1 B5 z; K% X//速度(1-10)
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) P# Y  K- f) b( R. V//背景颜色
. C6 P8 b; c/ H; cvar marqueebgcolor="#FFFFFF"
( @4 r$ |" `8 R* }0 L/ x//是否能暂停 (0=no. 1=yes)?$ m: P, y( P1 n  p( r( y
var pauseit=13 o* [1 F$ w5 O( T) g7 `  V

+ ~" a: @1 o( e% G//修改显示内容1 a8 c$ c$ _8 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>'% X0 ~. `+ F% Y! }
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+ L+ I+ I0 B% M////下面不需改变////////////
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var copyspeed=marqueespeed
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. }1 U$ k, V# B& l) zvar iedom=document.all||document.getElementById
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document.write('<span id="temp" style="visibility:hidden;position:absolute;top:-100;left:-1000">'+marqueecontent+'</span>')
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var cross_marquee, ns_marquee5 @; U- p9 s8 R5 Y/ v' W
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function populate(){
2 F, W& G5 C/ B& Cif (iedom){, h: d, f. G! v
cross_marquee=document.getElementById? document.getElementById("iemarquee") : document.all.iemarquee
1 K  p# {- o$ P8 \% ccross_marquee.style.left=marqueewidth+8
$ a/ A6 ~' r3 P  m4 G0 u# Xcross_marquee.innerHTML=marqueecontent
' y5 d6 y2 u0 r9 N3 j8 C  C; R" `actualwidth=document.all? cross_marquee.offsetWidth : document.getElementById("temp").offsetWidth9 ~& C5 j; y- g" d3 k
}# s: T! b9 p' w3 N2 L
else if (document.layers){
8 Q: a/ m. H  @$ Mns_marquee=document.ns_marquee.document.ns_marquee2# L  ^/ A( ]! W6 C9 t
ns_marquee.left=marqueewidth+8
) v7 n6 Y/ |( b. wns_marquee.document.write(marqueecontent)
4 N0 F+ q% C/ p* s- t" Vns_marquee.document.close()1 L3 D1 t+ |) |& [' N- ?0 X
actualwidth=ns_marquee.document.width5 y3 V8 R4 Q5 l. K
}
1 _- f% j0 f5 h: Wlefttime=setInterval("scrollmarquee()",20)
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window.onload=populate7 u: R. z& v0 e; v3 b+ H
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function scrollmarquee(){
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if (parseInt(cross_marquee.style.left)>(actualwidth*(-1)+8))
0 s% f# f0 x% q* ~cross_marquee.style.left=parseInt(cross_marquee.style.left)-copyspeed' ^6 v6 ^# z: l$ N* Z/ F9 W
else+ ]3 D8 ]8 l1 l$ b# g/ g
cross_marquee.style.left=marqueewidth+8( d" M4 \+ h3 z, p) V
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else if (document.layers){
  S3 S5 |0 R" xif (ns_marquee.left>(actualwidth*(-1)+8))
8 Q" l( `$ q) m; _ns_marquee.left-=copyspeed7 Z& j6 q* q" G* U5 g
else! h3 e2 r  {" S- ]3 r
ns_marquee.left=marqueewidth+88 B  A& d5 [; |# }
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}
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8 F0 E- K" g) y8 D; qif (iedom||document.layers){. n' S! @( z7 M( a5 B
with (document){+ c5 n8 a' R7 g* A7 Y$ ~
document.write('<table border="0" cellspacing="0" cellpadding="0"><td>')
. F) ^7 k2 @9 V1 d) nif (iedom){
6 y! e: ~, l2 dwrite('<div style="position:relative;width:'+marqueewidth+';height:'+marqueeheight+';overflow:hidden">')2 u2 w/ J' B" c
write('<div style="position:absolute;width:'+marqueewidth+';height:'+marqueeheight+';background-color:'+marqueebgcolor+'" onMouseover="copyspeed=pausespeed" onMouseout="copyspeed=marqueespeed">')/ m" [. w; j& X7 l5 x+ S
write('<div id="iemarquee" style="position:absolute;left:0;top:0"></div>')
/ b0 {( d4 h! R! H; Fwrite('</div>')
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else if (document.layers){
# i* |/ [% w! S# T6 {" C5 Xwrite('<ilayer width='+marqueewidth+' height='+marqueeheight+' name="ns_marquee" bgColor='+marqueebgcolor+'>')( u8 x3 H. T2 {- ]$ c
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2 S: q3 K" G% \write('</ilayer>')
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- n' n3 h4 I. r1 l, Z& }& Fdocument.write('</td></table>')3 |) L7 @- Q# i5 E$ r3 R; T
}
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