网页之跑马灯文字特效

zw2004

//修改宽度# M, r/ e0 Z' o. i+ s2 _
var marqueewidth=300
: }8 ~) c! b; z: w# O' J( {//高度
3 U) ^4 L4 h1 T8 J$ _: Avar marqueeheight=25
# H* ^, _# {0 g" C; _) T3 U//速度(1-10)2 k* s1 z8 H+ ]& D/ w5 i5 m: d: p( Q8 W
var marqueespeed=3: \0 D6 c" B% _9 C* ?1 l2 R4 g
//背景颜色# G6 \+ Q3 @  F/ {) A; ]- u  u
var marqueebgcolor="#FFFFFF"+ R3 W9 n+ _( V$ X: j4 w' D3 I
//是否能暂停 (0=no. 1=yes)?
( s; I7 q( f* ]! G) ]. f. i/ Rvar pauseit=1& p3 x7 I+ q1 b# a
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//修改显示内容! U. G# e  ?% Z, l& A
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>'$ m6 t/ _  `- r/ A2 G4 m$ M

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////下面不需改变////////////- m3 K& T. P9 U6 e) P: u
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var copyspeed=marqueespeed
' L& s% y& t% G) H* g# Fvar pausespeed=(pauseit==0)? copyspeed: 0
$ e, A8 x( f/ q2 U/ {& G" \var iedom=document.all||document.getElementById
8 r7 O9 H3 o6 e: Mif (iedom)
# O/ `2 t2 d/ v9 ldocument.write('<span id="temp" style="visibility:hidden;position:absolute;top:-100;left:-1000">'+marqueecontent+'</span>')& q% F. f6 A+ ?  l* w
var actualwidth=''2 p, P4 v% F! w! c" ?7 z
var cross_marquee, ns_marquee- w  G0 ?; o) l) M: h# u
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function populate(){9 Q' ?) D+ d0 X% a/ k6 o
if (iedom){7 c/ t1 I  W8 h' a
cross_marquee=document.getElementById? document.getElementById("iemarquee") : document.all.iemarquee
1 v( _# y% o7 \6 l% F% I* rcross_marquee.style.left=marqueewidth+8
7 G9 P* w+ L- r: a# ?% [cross_marquee.innerHTML=marqueecontent
. H& i# V9 `* Q3 Y) P. Z8 _+ s. i8 Iactualwidth=document.all? cross_marquee.offsetWidth : document.getElementById("temp").offsetWidth) z" t6 L* i3 N2 Z7 d8 Q( x
}
% q8 G8 I5 [- f" r$ D( Nelse if (document.layers){9 x3 e9 S4 h- V# @1 c: t  |
ns_marquee=document.ns_marquee.document.ns_marquee2
# M/ E% G$ j+ |$ j2 c5 ~( `ns_marquee.left=marqueewidth+8
/ k4 V* G7 l" f& p" I5 A( g, e; \/ Vns_marquee.document.write(marqueecontent)9 I8 f( _1 E5 V
ns_marquee.document.close()* N, Z+ b3 M  h- {" d
actualwidth=ns_marquee.document.width
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lefttime=setInterval("scrollmarquee()",20)3 x2 \1 U2 U1 B
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window.onload=populate! C( H5 N) U2 G! ^! b1 U

3 P/ C2 A  c& `. s6 _! w7 cfunction scrollmarquee(){3 w" L! v8 A. O) v' Q
if (iedom){; _4 Q9 z  @; z/ w2 ^: L
if (parseInt(cross_marquee.style.left)>(actualwidth*(-1)+8))
' ~1 P. [9 n$ O' N+ x7 p6 Ocross_marquee.style.left=parseInt(cross_marquee.style.left)-copyspeed5 I6 G) U( i( o' I% b, j
else; U+ _4 l# h& a5 s$ s/ l) w
cross_marquee.style.left=marqueewidth+83 ^3 j) g. V, J  `  E8 p
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else if (document.layers){3 n1 r& T% ^( L
if (ns_marquee.left>(actualwidth*(-1)+8)), y! o! V7 l& U4 H* k& ?  ?
ns_marquee.left-=copyspeed. l* d# ?8 p2 d/ q8 b( z
else& Q4 a3 O, H  e4 m5 \
ns_marquee.left=marqueewidth+8  x3 \' m$ k3 g$ P
}
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if (iedom||document.layers){& a+ f  ]2 u# @1 }$ H+ Y0 T# N1 M
with (document){+ T, B! O3 B/ k4 i
document.write('<table border="0" cellspacing="0" cellpadding="0"><td>')/ D( [5 M- ?% j* k
if (iedom){
" M* _, U$ n9 K, D# N, d. s2 w8 m: fwrite('<div style="position:relative;width:'+marqueewidth+';height:'+marqueeheight+';overflow:hidden">')2 S! ]; N& r% f  x+ l
write('<div style="position:absolute;width:'+marqueewidth+';height:'+marqueeheight+';background-color:'+marqueebgcolor+'" onMouseover="copyspeed=pausespeed" onMouseout="copyspeed=marqueespeed">')
) m, F. _0 Z6 v- }write('<div id="iemarquee" style="position:absolute;left:0;top:0"></div>')4 A( S4 U( v2 ~7 V
write('</div>')
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else if (document.layers){# y* p% d  o! L1 Q- J* K
write('<ilayer width='+marqueewidth+' height='+marqueeheight+' name="ns_marquee" bgColor='+marqueebgcolor+'>')- d9 y% _+ A/ Q1 t8 a. R6 s2 G
write('<layer name="ns_marquee2" left=0 top=0 onMouseover="copyspeed=pausespeed" onMouseout="copyspeed=marqueespeed"></layer>')0 ~/ }3 H& O, Q9 c; Q
write('</ilayer>')
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0 l# g6 o  G1 a! |) ~1 |document.write('</td></table>')
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