网页之跑马灯文字特效

zw2004

//修改宽度% z) V( q4 y/ h$ f8 ^% ]' t( @
var marqueewidth=3008 x1 m' I( n. [$ G* j2 W3 Y
//高度
2 e1 w* ^/ O/ F' E  D3 a! M0 R9 Evar marqueeheight=25  B" B0 E! B2 w+ |8 b! y
//速度(1-10)
/ t" S5 [. l! S' Fvar marqueespeed=3  h3 k3 g8 v, {: K$ `' h
//背景颜色
# x' x6 J- o- V( C! k- J: K. z, z2 lvar marqueebgcolor="#FFFFFF"
( s/ \6 Z* S2 z& ?  ]//是否能暂停 (0=no. 1=yes)?
5 ^- \" e+ X% |5 rvar pauseit=1
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/ B1 L) e" N1 a9 N( U" Y4 m//修改显示内容  ^. f; x! U$ E  ~% P
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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////下面不需改变////////////" }) g2 x# Y& l  P% e

2 H& f' \4 j0 Y9 g) Q+ _var copyspeed=marqueespeed
4 V2 \1 e8 p) @, X' Tvar pausespeed=(pauseit==0)? copyspeed: 0( E* F8 }2 E6 o* X  A
var iedom=document.all||document.getElementById  e) D9 m9 _# j& `/ e8 j+ J
if (iedom)& a) V2 Z/ c0 v0 L
document.write('<span id="temp" style="visibility:hidden;position:absolute;top:-100;left:-1000">'+marqueecontent+'</span>')6 Q4 a/ o0 u, q
var actualwidth=''
# U5 Y1 I* x9 \9 j6 Evar cross_marquee, ns_marquee
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function populate(){
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cross_marquee=document.getElementById? document.getElementById("iemarquee") : document.all.iemarquee
& S9 e; P* c2 j& Zcross_marquee.style.left=marqueewidth+8' l2 p/ x" O, c; M* z7 ]
cross_marquee.innerHTML=marqueecontent0 w& J2 H7 @4 L0 o+ `
actualwidth=document.all? cross_marquee.offsetWidth : document.getElementById("temp").offsetWidth
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else if (document.layers){/ G$ X* K( E1 S  o
ns_marquee=document.ns_marquee.document.ns_marquee2, k. _! D; s: H, d
ns_marquee.left=marqueewidth+8
. \9 c- d  H, K& }ns_marquee.document.write(marqueecontent)
* o! @- Y+ |, F: z; _" nns_marquee.document.close()/ w+ r- r: I3 D! ^8 [, i
actualwidth=ns_marquee.document.width
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lefttime=setInterval("scrollmarquee()",20)
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window.onload=populate
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function scrollmarquee(){4 _; t$ g2 D$ e9 T% U
if (iedom){
: f( F, ?# U$ c7 m+ k8 Rif (parseInt(cross_marquee.style.left)>(actualwidth*(-1)+8))- B! `, ~+ Z$ L9 s3 Y
cross_marquee.style.left=parseInt(cross_marquee.style.left)-copyspeed3 e6 m9 S% ^3 ]6 e! y' F! {" T
else6 x$ E7 N6 W. I3 k& }9 j
cross_marquee.style.left=marqueewidth+8
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else if (document.layers){
; U9 i. N1 M3 Oif (ns_marquee.left>(actualwidth*(-1)+8))
* W* Q; K7 z# Ans_marquee.left-=copyspeed" c" r4 p. d9 S9 O
else5 d, f' \' ?4 _" [" U# z5 u
ns_marquee.left=marqueewidth+8
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}
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if (iedom||document.layers){; @5 K0 O5 V& g8 b1 m0 `  `
with (document){
- _% _) B. q' B" B8 h7 Zdocument.write('<table border="0" cellspacing="0" cellpadding="0"><td>')" Z: k) @% c8 r5 G6 y! I
if (iedom){
* g. v  M/ c) E, h$ f" d* jwrite('<div style="position:relative;width:'+marqueewidth+';height:'+marqueeheight+';overflow:hidden">')
3 f! r" h: b6 s9 kwrite('<div style="position:absolute;width:'+marqueewidth+';height:'+marqueeheight+';background-color:'+marqueebgcolor+'" onMouseover="copyspeed=pausespeed" onMouseout="copyspeed=marqueespeed">')4 i, M* x6 V7 w7 k5 [5 g
write('<div id="iemarquee" style="position:absolute;left:0;top:0"></div>')  c6 o  X* }& E' P+ y! y! e
write('</div>')
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else if (document.layers){* L1 y, U% h+ v9 p! U/ i/ i% A
write('<ilayer width='+marqueewidth+' height='+marqueeheight+' name="ns_marquee" bgColor='+marqueebgcolor+'>')
: B0 w9 D, M5 V9 Pwrite('<layer name="ns_marquee2" left=0 top=0 onMouseover="copyspeed=pausespeed" onMouseout="copyspeed=marqueespeed"></layer>')
2 P! h" R, h. L( K- Vwrite('</ilayer>')! c, b' X0 o! T1 n0 u8 i) e, A
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document.write('</td></table>')2 x' K9 q. y0 H3 q& Q/ E
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</script>