网页之跑马灯文字特效

zw2004

//修改宽度5 F+ C* N8 x0 x1 I
var marqueewidth=300# {5 N6 y4 i; L  D5 O& F  w
//高度
9 d3 W" T; }$ u( M& M# x) \9 u1 Rvar marqueeheight=25: f/ E/ Y3 W* e* K
//速度(1-10)& q- [4 Q7 h& W, V0 d
var marqueespeed=3
' T, s9 U, A; n' {1 A" C//背景颜色% X8 ]# N" J% Q: v3 F8 P5 h, N
var marqueebgcolor="#FFFFFF"6 i4 v2 x/ [6 q& a( L' ^* M
//是否能暂停 (0=no. 1=yes)?
4 D5 G; w8 Y0 Mvar pauseit=1# W; C0 f* f. a

: N+ I) @# L2 x( I//修改显示内容
0 M5 y% r- N" U+ Q* k6 s+ Z3 I$ Mvar 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////////////8 Y  u# W  X6 p" v  R1 r( R
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var copyspeed=marqueespeed6 \) }4 }4 k6 ]: c4 o. N
var pausespeed=(pauseit==0)? copyspeed: 0
, p) v, s; F0 ?/ l: h: c) Ovar iedom=document.all||document.getElementById1 c# q$ P: ~( R- C) B
if (iedom)5 J# J% y: a; o5 c! P
document.write('<span id="temp" style="visibility:hidden;position:absolute;top:-100;left:-1000">'+marqueecontent+'</span>')- I, K5 x4 N- {/ b/ I
var actualwidth=''
* b. L$ @, H# ^& Q$ `2 s. ]var cross_marquee, ns_marquee
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function populate(){2 a" f$ [" ~0 F$ F
if (iedom){
: F' ~5 B8 |0 ]- Q5 O( J7 t8 fcross_marquee=document.getElementById? document.getElementById("iemarquee") : document.all.iemarquee
7 ~1 K3 R- y8 Q5 a6 J/ m9 Ucross_marquee.style.left=marqueewidth+8' L8 u9 L( E% E/ G& }: ]
cross_marquee.innerHTML=marqueecontent
/ K1 J5 T& t, U5 I; oactualwidth=document.all? cross_marquee.offsetWidth : document.getElementById("temp").offsetWidth8 R8 K" S- n0 O) G/ F& }
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else if (document.layers){7 D7 a: l$ L5 r9 C
ns_marquee=document.ns_marquee.document.ns_marquee2
4 S1 [7 s, H  ~/ jns_marquee.left=marqueewidth+8/ m, f/ e8 o2 k( `& v: z
ns_marquee.document.write(marqueecontent)5 T5 o* i0 A0 H' o' A4 x+ R
ns_marquee.document.close()9 W- J5 z/ V" @
actualwidth=ns_marquee.document.width
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lefttime=setInterval("scrollmarquee()",20)( W+ H" n/ T. \2 ?  y, t4 k
}
: u9 u  F1 L' X3 R- G! L  Awindow.onload=populate
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function scrollmarquee(){. l/ R3 g( k4 U
if (iedom){) ^, V0 g9 |( C- u
if (parseInt(cross_marquee.style.left)>(actualwidth*(-1)+8))
7 M5 Z$ S& E/ T) ^7 hcross_marquee.style.left=parseInt(cross_marquee.style.left)-copyspeed
' ~! D) B" i1 e8 J: I9 Ielse
  @" y5 i, t: q) i4 ^6 `cross_marquee.style.left=marqueewidth+8: o+ f3 C8 Y2 [( b

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else if (document.layers){
* x& p: J1 ~8 |! Jif (ns_marquee.left>(actualwidth*(-1)+8))
8 h/ z# {. M3 p% K& w9 ~( l) s% Uns_marquee.left-=copyspeed, r+ X) E  P" R  y
else' ~/ ?( j. W2 H6 _
ns_marquee.left=marqueewidth+84 ^: {8 j- M4 J# z
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if (iedom||document.layers){) c1 X- J4 X3 O' Z0 y
with (document){$ A( F  Z& f* t% \' y, V
document.write('<table border="0" cellspacing="0" cellpadding="0"><td>')
3 M6 ]1 `- m% B8 X- ]* Aif (iedom){( k2 \1 }- p" o  x! }& D
write('<div style="position:relative;width:'+marqueewidth+';height:'+marqueeheight+';overflow:hidden">')
; G8 m# D4 J0 u$ Z9 \' |: nwrite('<div style="position:absolute;width:'+marqueewidth+';height:'+marqueeheight+';background-color:'+marqueebgcolor+'" onMouseover="copyspeed=pausespeed" onMouseout="copyspeed=marqueespeed">')
) z8 i; I# l0 o/ z6 Z0 M( F6 Y; rwrite('<div id="iemarquee" style="position:absolute;left:0;top:0"></div>')
6 X' O4 y8 f. x! \% o) Wwrite('</div>')$ R. v1 b0 b) s8 ?2 ]
}
7 s' @' O, G0 u1 o! l. [: G  belse if (document.layers){+ W( r# q  r- t+ b/ _7 c
write('<ilayer width='+marqueewidth+' height='+marqueeheight+' name="ns_marquee" bgColor='+marqueebgcolor+'>')
) z7 j& h- a) n' M; E& rwrite('<layer name="ns_marquee2" left=0 top=0 onMouseover="copyspeed=pausespeed" onMouseout="copyspeed=marqueespeed"></layer>')
: t0 D) M+ ]; u* fwrite('</ilayer>')/ b/ J4 y$ x: Q2 p% L
}
0 y* }  R, M/ q6 sdocument.write('</td></table>')( b1 a5 J2 R8 H4 R6 h4 M
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</script>