网页之跑马灯文字特效

zw2004

//修改宽度
8 V2 O  o1 T4 _' v4 Jvar marqueewidth=300
  |. \( q, l) n" Y//高度
3 u' r8 p; W2 a# N$ m. Rvar marqueeheight=25
  ~* I. E, U6 Z1 M" j7 u//速度(1-10)9 ^8 P) s: r; S% l* Z
var marqueespeed=3
- ~2 r! s  b) u//背景颜色
  J4 M- n! c+ B9 J* g! mvar marqueebgcolor="#FFFFFF"( b* S  f; A% ?8 Y7 c& }7 R
//是否能暂停 (0=no. 1=yes)?
2 d1 g4 h; p1 z$ w; Y3 [3 K- Yvar pauseit=1
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//修改显示内容
& d1 n+ J7 f" ^/ kvar 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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+ g3 ~; a1 m5 Wvar copyspeed=marqueespeed: \& z3 |# B$ D5 n8 ]; q( L1 u
var pausespeed=(pauseit==0)? copyspeed: 0
7 ^: }* A4 |6 \* n: gvar iedom=document.all||document.getElementById
! ^$ Z; _' k. d  U9 i# Dif (iedom): F* f7 H; N8 F' ?9 K
document.write('<span id="temp" style="visibility:hidden;position:absolute;top:-100;left:-1000">'+marqueecontent+'</span>'): A; D4 i' C+ J3 t5 A7 [
var actualwidth='': p- Y, f( X  W7 Z  u- z  @+ h# W
var cross_marquee, ns_marquee$ W. \+ U; f1 h# L
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function populate(){, y( o- `; {6 r
if (iedom){+ y" N6 D: y  X9 s
cross_marquee=document.getElementById? document.getElementById("iemarquee") : document.all.iemarquee
" m' A  N* ]  [5 Xcross_marquee.style.left=marqueewidth+8- h( V( Y; q3 V- K7 s4 [
cross_marquee.innerHTML=marqueecontent/ P+ S* y* e& f. K- m
actualwidth=document.all? cross_marquee.offsetWidth : document.getElementById("temp").offsetWidth6 `* X( M- T9 |
}4 z8 F. \9 O0 a
else if (document.layers){
/ ^6 T7 E5 T, D+ `3 s. t. P, fns_marquee=document.ns_marquee.document.ns_marquee2
/ A5 q; r. J0 W% T4 o; j5 `ns_marquee.left=marqueewidth+8
) K# J- W/ M- M; J/ ]1 v. @. Jns_marquee.document.write(marqueecontent)* c0 }# \3 z$ F/ `
ns_marquee.document.close()
7 Y7 c5 U) M; ?9 k# e0 D( @actualwidth=ns_marquee.document.width3 b& t. l% x& u6 x" v
}
0 |5 W, M2 V6 c- s5 Klefttime=setInterval("scrollmarquee()",20)
  N, c3 j7 o. z}
9 n! G% [+ g6 }9 R* ~window.onload=populate
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function scrollmarquee(){
6 ?, S+ a/ h% ^" g0 \  J3 y; O; Pif (iedom){
. G) K: q9 _% Pif (parseInt(cross_marquee.style.left)>(actualwidth*(-1)+8))
4 ^2 K! S/ p1 R0 ucross_marquee.style.left=parseInt(cross_marquee.style.left)-copyspeed9 c; }& e6 C, d3 b% \/ ~' s
else+ ^( A3 R& b& o8 r2 K
cross_marquee.style.left=marqueewidth+89 b2 g3 ~, {/ W* f( |
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else if (document.layers){! V+ O) q4 b7 V
if (ns_marquee.left>(actualwidth*(-1)+8)): l% N! w$ E# t- y  m  @
ns_marquee.left-=copyspeed
( _6 Q. }! t/ Z# F  _8 Jelse
% f" C2 Z% A. a' k( b% M/ J4 ons_marquee.left=marqueewidth+8+ Z1 u1 C; W: Q' G. a* o; c
}5 {4 f: Z! j* \8 y# K+ X3 j2 k" a3 ^
}
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if (iedom||document.layers){) T7 v5 e7 |7 B8 l1 d( J; F6 M
with (document){3 Z$ V* K$ E5 [; t9 V" l+ b
document.write('<table border="0" cellspacing="0" cellpadding="0"><td>')' Z+ U* X* y5 ^' J# ^) g
if (iedom){
/ F* v+ ^4 G8 D4 [3 t$ w; K+ }write('<div style="position:relative;width:'+marqueewidth+';height:'+marqueeheight+';overflow:hidden">')
, h+ Y$ _1 }+ m$ F4 ?2 Xwrite('<div style="position:absolute;width:'+marqueewidth+';height:'+marqueeheight+';background-color:'+marqueebgcolor+'" onMouseover="copyspeed=pausespeed" onMouseout="copyspeed=marqueespeed">'). D3 ~. B9 J4 Z. g2 h, ~7 s
write('<div id="iemarquee" style="position:absolute;left:0;top:0"></div>')
. Z; P( n3 U1 qwrite('</div>')
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5 g3 ]8 d+ p7 d' r8 ^else if (document.layers){
$ N. P# x: [& O' Q5 Uwrite('<ilayer width='+marqueewidth+' height='+marqueeheight+' name="ns_marquee" bgColor='+marqueebgcolor+'>')
' M6 \. G( ?0 `0 D/ `$ F1 swrite('<layer name="ns_marquee2" left=0 top=0 onMouseover="copyspeed=pausespeed" onMouseout="copyspeed=marqueespeed"></layer>')
# `: z" a* ]8 w9 Y2 W0 fwrite('</ilayer>')
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document.write('</td></table>')
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}! ^1 I9 D5 F7 M9 [. ?/ D  }
</script>