网页之跑马灯文字特效

zw2004

//修改宽度. y" W7 [" n/ F* h
var marqueewidth=300
9 ~. w* O8 c9 H( C& f% b4 l//高度8 V$ K. o0 j  I, w( C2 _0 }" Y
var marqueeheight=252 k' o) n* }7 J7 S
//速度(1-10)
( O* V( K. l# I5 P/ D/ B5 a+ j+ ?var marqueespeed=3
4 Q9 h8 g' a2 y( G, X. M//背景颜色- X* }6 i7 T% k' k9 P
var marqueebgcolor="#FFFFFF": h' b" ?3 [# }  j6 S/ C7 W" r6 X# v
//是否能暂停 (0=no. 1=yes)?
$ m( x7 D  F; d9 R# hvar pauseit=1& Y! s' A. O3 |2 R7 S

3 g& Q0 C; K3 h2 y  p( l5 p//修改显示内容
# Y( w: S- n  |+ z3 M+ @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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" ]* p  v; X# c. Q8 x& R  D$ G////下面不需改变////////////
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var copyspeed=marqueespeed
; O+ n5 o3 m$ {+ V. `4 wvar pausespeed=(pauseit==0)? copyspeed: 01 y: I' b% B' q' x" C- ^
var iedom=document.all||document.getElementById" g+ k# P7 p, G' \( y# @5 f
if (iedom)1 ?" z8 u' q' U0 |8 z5 J  h
document.write('<span id="temp" style="visibility:hidden;position:absolute;top:-100;left:-1000">'+marqueecontent+'</span>')/ E% B, r& ?+ M  x% p
var actualwidth=''
$ C0 T; L$ `# \4 v: Y0 C; B' Fvar cross_marquee, ns_marquee
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function populate(){3 \) ~5 ]$ B0 J! i0 r2 X! r
if (iedom){$ {* y+ D7 O8 C7 q; n9 O$ k* l
cross_marquee=document.getElementById? document.getElementById("iemarquee") : document.all.iemarquee
5 t+ R! R  [% l4 |% ~cross_marquee.style.left=marqueewidth+8! H  {+ T) t1 W% l2 v5 j$ r# M+ `- K
cross_marquee.innerHTML=marqueecontent
" J: t8 s* N# Lactualwidth=document.all? cross_marquee.offsetWidth : document.getElementById("temp").offsetWidth
# W" Z" k7 ]# q}
$ R2 X, J& o) N8 Uelse if (document.layers){
- Y$ @4 D2 i$ ^$ O6 Fns_marquee=document.ns_marquee.document.ns_marquee2% I, m3 T6 [  q4 Z- l* D# x
ns_marquee.left=marqueewidth+8
$ {# G6 m; |2 ~+ O. `8 ]ns_marquee.document.write(marqueecontent)  t5 Y' ~5 e0 K, c% m' p
ns_marquee.document.close()
& D% ^8 i1 e! ^! Wactualwidth=ns_marquee.document.width
0 p" F, F3 @) t, U) E; A+ e}
) x, t3 L' }1 klefttime=setInterval("scrollmarquee()",20)
  E2 c' \$ Y) N8 ]$ u1 ]; k$ Q}
/ {  V8 L( C* O, T( dwindow.onload=populate
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function scrollmarquee(){
: i$ e+ C& h9 y0 Kif (iedom){
" I1 |. L. W8 ]8 qif (parseInt(cross_marquee.style.left)>(actualwidth*(-1)+8))
9 I  ^% Q' \. Scross_marquee.style.left=parseInt(cross_marquee.style.left)-copyspeed
& F1 e6 O" Q! I1 w  r  F" [% Pelse
3 f$ U6 o* X& Qcross_marquee.style.left=marqueewidth+82 P8 I+ y$ f& y. x+ L5 I% z

# I5 v( G* P) c; L) `}
* t& ~; n# H  s$ q) m1 F- kelse if (document.layers){
6 }* A0 w7 h9 N$ N* Nif (ns_marquee.left>(actualwidth*(-1)+8))7 t. f) {# ^. c; z8 c
ns_marquee.left-=copyspeed
9 P. C- c9 f9 _" ^else1 G, U; t* i& U" b. D
ns_marquee.left=marqueewidth+8$ w1 \+ l9 S. y: S! v
}) P+ [( q) e: o# _
}
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% T5 H' W: X! J# ?# Fif (iedom||document.layers){# Q2 n5 O; M- e3 ]
with (document){
; E* e0 b$ M; \; V; c, O  a2 Vdocument.write('<table border="0" cellspacing="0" cellpadding="0"><td>')
7 l4 |4 N1 L2 M! V, ^if (iedom){4 R5 N7 X2 i7 `. D. u
write('<div style="position:relative;width:'+marqueewidth+';height:'+marqueeheight+';overflow:hidden">')
( a& A+ W; t1 ]) Wwrite('<div style="position:absolute;width:'+marqueewidth+';height:'+marqueeheight+';background-color:'+marqueebgcolor+'" onMouseover="copyspeed=pausespeed" onMouseout="copyspeed=marqueespeed">')
+ V# P$ S% ^2 p' Q9 Zwrite('<div id="iemarquee" style="position:absolute;left:0;top:0"></div>')3 Z( x# S9 F3 t% R# s
write('</div>')7 b. J3 `$ w: l0 d3 E
}2 Y( C% d: \" T: R! U" T8 y
else if (document.layers){
7 P% H( z/ L# k- p' p4 b7 Nwrite('<ilayer width='+marqueewidth+' height='+marqueeheight+' name="ns_marquee" bgColor='+marqueebgcolor+'>')
2 [2 z3 t& ]. E: x3 Uwrite('<layer name="ns_marquee2" left=0 top=0 onMouseover="copyspeed=pausespeed" onMouseout="copyspeed=marqueespeed"></layer>')6 n/ V7 f' P* D" U8 m5 P
write('</ilayer>')
8 I, _$ I: ?  G2 _! W. T: w}
  i& s% w0 z7 ?( jdocument.write('</td></table>')
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}
9 e5 }/ b0 w" Q/ j1 J</script>