网页之跑马灯文字特效

zw2004

//修改宽度5 }( w# J) i) h1 q" |& d0 X
var marqueewidth=3008 h) l0 \! [! l" q
//高度) H0 e: q. m9 c5 E
var marqueeheight=25
- T3 W8 j" x9 C8 F6 @6 Y: R$ z//速度(1-10). k5 I( [) h8 r- o% q7 U; q
var marqueespeed=3
# R; O9 O) @- Z& p//背景颜色
; F" q8 K5 u+ F3 d/ e) mvar marqueebgcolor="#FFFFFF"
1 B! J6 @3 @, E0 U- O! L+ Z//是否能暂停 (0=no. 1=yes)?( x: u0 o& p9 ?' {
var pauseit=13 W# V2 \+ r5 s. I

' Y& {9 Y  U0 r0 R% Y3 I# F( i//修改显示内容5 h' a, _" c. s: a+ D
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////////////
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" j- ~/ E$ [' f/ Y) Avar copyspeed=marqueespeed/ z' p* W# C4 e+ [  a% l
var pausespeed=(pauseit==0)? copyspeed: 0
) ^9 R0 w& ?) q8 @% H! ?var iedom=document.all||document.getElementById
! y) o( y( f8 L, g( N( a8 zif (iedom)
2 |/ `- _, g/ edocument.write('<span id="temp" style="visibility:hidden;position:absolute;top:-100;left:-1000">'+marqueecontent+'</span>')
7 C) |$ g, _! q/ G3 wvar actualwidth=''
+ o5 ~6 c3 n. Y$ D# o$ ]var cross_marquee, ns_marquee
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function populate(){0 |; ~5 K% e7 M3 ^$ Y$ N" z
if (iedom){3 ^4 x+ @% g* c( ?. l! e
cross_marquee=document.getElementById? document.getElementById("iemarquee") : document.all.iemarquee
# s; G$ p$ q( e/ Ccross_marquee.style.left=marqueewidth+8
8 g% Q" Q4 y) _+ H' Qcross_marquee.innerHTML=marqueecontent+ _7 X9 M2 `8 A% i* I; F
actualwidth=document.all? cross_marquee.offsetWidth : document.getElementById("temp").offsetWidth
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& @# P! `* @4 e' @else if (document.layers){# U- E7 j1 C" R& D1 Q6 E  z" i9 x
ns_marquee=document.ns_marquee.document.ns_marquee2; ~) ~5 v6 w& P+ k
ns_marquee.left=marqueewidth+8: D8 M! w- v8 E" e
ns_marquee.document.write(marqueecontent)0 M3 O( M: [: X$ |4 \
ns_marquee.document.close()( t7 [5 O/ O" Y8 B- _( P
actualwidth=ns_marquee.document.width
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lefttime=setInterval("scrollmarquee()",20)" g9 Z: s# y' Q4 L- s* E
}
* F8 k# G, f( C$ v. Owindow.onload=populate
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function scrollmarquee(){1 C- w9 S8 a! c+ }
if (iedom){; o$ c. Y* o/ m3 q2 F0 a5 y
if (parseInt(cross_marquee.style.left)>(actualwidth*(-1)+8))
: y; J' P  K  [/ s6 Ccross_marquee.style.left=parseInt(cross_marquee.style.left)-copyspeed- `# X) S. O# t+ E
else
% G( V$ g% H! Zcross_marquee.style.left=marqueewidth+84 D' r0 Y' P" i2 ^+ y. U
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}
* J5 V( A$ D$ ^; Celse if (document.layers){& y; o. w1 ~. d3 x1 c& u
if (ns_marquee.left>(actualwidth*(-1)+8)); k3 F2 E: R8 b+ N' B6 @9 W
ns_marquee.left-=copyspeed
" e8 @( s  p. Selse
" l, D9 o8 J% o9 K+ g& gns_marquee.left=marqueewidth+8' r* J  k2 R$ N, z! W
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if (iedom||document.layers){
9 `' M. k8 }5 t: G; p2 o3 awith (document){/ ?; Y/ Z( w! m
document.write('<table border="0" cellspacing="0" cellpadding="0"><td>')
1 ~2 ], b. E9 p# @) \8 n! h3 Nif (iedom){
, G' y* s- B- c: ~( R/ I+ Q; Y* |write('<div style="position:relative;width:'+marqueewidth+';height:'+marqueeheight+';overflow:hidden">')) j  C  F* r* h( B
write('<div style="position:absolute;width:'+marqueewidth+';height:'+marqueeheight+';background-color:'+marqueebgcolor+'" onMouseover="copyspeed=pausespeed" onMouseout="copyspeed=marqueespeed">'): X( ~; U" I8 K3 V! X9 Q" N
write('<div id="iemarquee" style="position:absolute;left:0;top:0"></div>')' Q$ x/ p5 U/ e7 b1 j0 Z7 [/ i( e
write('</div>'), ~  E& D) G2 U6 h
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else if (document.layers){6 b) y1 y& o; _0 j
write('<ilayer width='+marqueewidth+' height='+marqueeheight+' name="ns_marquee" bgColor='+marqueebgcolor+'>')
1 C0 L( }7 z( O7 E- U) l9 awrite('<layer name="ns_marquee2" left=0 top=0 onMouseover="copyspeed=pausespeed" onMouseout="copyspeed=marqueespeed"></layer>')5 ?' U% r* \6 G5 B: ^
write('</ilayer>')
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document.write('</td></table>'): c& m9 u6 h* M% K4 V% e, m
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</script>