网页之跑马灯文字特效

zw2004

//修改宽度
" o6 h" n' |" ]4 j& ivar marqueewidth=300
4 X/ R: A! q. q$ U5 c5 Q/ {//高度; l9 [+ u4 A; s
var marqueeheight=256 H! `# `' g' g
//速度(1-10)
' J( G4 |2 A4 }& h- w6 h7 j! Mvar marqueespeed=3
0 n1 H0 f/ J* n; {7 H2 a//背景颜色
- D  G$ ~! i: F5 m% t; e7 @( j  X5 ?var marqueebgcolor="#FFFFFF"
8 `& V1 N! F- @# j' D//是否能暂停 (0=no. 1=yes)?
0 ~1 W. Y, F! S; j. y8 Nvar pauseit=1
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//修改显示内容+ E6 W1 P. Q! v, e: g
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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' m1 e6 T6 K+ p; g5 Y////下面不需改变////////////
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var copyspeed=marqueespeed: {2 C2 k3 e5 V( h% s  Z
var pausespeed=(pauseit==0)? copyspeed: 0
7 v! s. I5 u& B# uvar iedom=document.all||document.getElementById) s* x2 Y( x/ q9 v
if (iedom)
+ D4 h5 g! D4 {# x, U/ _4 Cdocument.write('<span id="temp" style="visibility:hidden;position:absolute;top:-100;left:-1000">'+marqueecontent+'</span>')
: x) n. T/ P* }4 g4 bvar actualwidth=''% u* q( E1 a( [3 m/ x% t1 w/ C" c
var cross_marquee, ns_marquee
" u; S$ \6 v" Z3 U0 ]) h( D% k8 _6 ~9 W4 r  {3 I% }& W. L1 m
function populate(){! c! ~" Z3 q9 v
if (iedom){" b6 q2 D; I8 L8 D
cross_marquee=document.getElementById? document.getElementById("iemarquee") : document.all.iemarquee
- n, O" ]: g6 Z0 U* L( jcross_marquee.style.left=marqueewidth+8
+ C/ f& \/ k- Lcross_marquee.innerHTML=marqueecontent! y5 d$ T8 E8 j6 a8 v2 n9 \
actualwidth=document.all? cross_marquee.offsetWidth : document.getElementById("temp").offsetWidth
# X6 }1 b) c; K5 c8 j) s+ i! z}
6 a. m2 N9 [4 Z$ a: {. F8 h0 I0 z" b: \else if (document.layers){; Y1 u5 v/ g% y( a- b$ V+ R, n
ns_marquee=document.ns_marquee.document.ns_marquee2+ M* s) ~2 z# T5 f6 G3 D" F+ [3 z
ns_marquee.left=marqueewidth+85 G9 ~) |/ J5 Z3 g
ns_marquee.document.write(marqueecontent)+ d7 N, D( e6 _: U) }% j
ns_marquee.document.close(): n6 A+ \: i% [2 Z
actualwidth=ns_marquee.document.width! S9 x. R! p' F
}
/ w: A+ I' N& M4 Olefttime=setInterval("scrollmarquee()",20)
( a3 Q- a' E- O- J' d- `+ t}
8 T6 O" L; T% C. S) l9 ]window.onload=populate
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  B+ E" _+ V; ]" t; H+ _function scrollmarquee(){6 u0 E) W; b( N; n
if (iedom){& H2 a0 x. I( j! }
if (parseInt(cross_marquee.style.left)>(actualwidth*(-1)+8))3 q( H3 R6 Q0 h: D
cross_marquee.style.left=parseInt(cross_marquee.style.left)-copyspeed$ e6 z7 M8 c$ u1 R  z9 d1 G- A
else8 c  ^. V% _# V" \' P5 r! E
cross_marquee.style.left=marqueewidth+8' J+ J2 T4 c9 P( u! J( ?8 v& Q
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}
: h& {# w% N: Z3 ~- U. l% Belse if (document.layers){
% R9 N& K1 C6 T+ c' D+ Iif (ns_marquee.left>(actualwidth*(-1)+8))9 U) V2 }! }5 E: r; O9 p8 ]
ns_marquee.left-=copyspeed
. `, O! ~. j$ qelse
/ v3 C1 \7 O" z" U; B! q& M' gns_marquee.left=marqueewidth+8
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}
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if (iedom||document.layers){  F9 g0 z( ~% t/ v
with (document){
( y/ l5 q5 `; P  {, d+ Edocument.write('<table border="0" cellspacing="0" cellpadding="0"><td>')& ?: Z1 b+ g& c
if (iedom){
3 m5 z! n+ A! e' {% H3 t8 Owrite('<div style="position:relative;width:'+marqueewidth+';height:'+marqueeheight+';overflow:hidden">')
; L9 b8 M# q& J0 Q; X$ d, V0 `write('<div style="position:absolute;width:'+marqueewidth+';height:'+marqueeheight+';background-color:'+marqueebgcolor+'" onMouseover="copyspeed=pausespeed" onMouseout="copyspeed=marqueespeed">')$ ^; I- |: R; c2 ~2 U
write('<div id="iemarquee" style="position:absolute;left:0;top:0"></div>')
. F6 w* a0 G( {3 R4 F! ^write('</div>')1 L1 U4 X4 k2 Y5 o3 h: J. s3 e
}
4 ?6 _8 p* g# ^2 v. Welse if (document.layers){1 `- a2 Z2 N: v9 }
write('<ilayer width='+marqueewidth+' height='+marqueeheight+' name="ns_marquee" bgColor='+marqueebgcolor+'>')% D4 a/ c5 e8 |7 ^; Y6 @: K
write('<layer name="ns_marquee2" left=0 top=0 onMouseover="copyspeed=pausespeed" onMouseout="copyspeed=marqueespeed"></layer>')- @. E2 `; ]8 r  E' {5 m
write('</ilayer>')9 c; N$ d4 \; }
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document.write('</td></table>')
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}
" H* x7 r2 l  t</script>