网页之跑马灯文字特效

zw2004

//修改宽度
9 i/ e' U* j# mvar marqueewidth=300
5 U! j! K7 _' n  c/ I4 m# ^//高度
2 D+ w4 I7 m5 j/ z8 ~var marqueeheight=25
) `& M- R0 Y3 A' n: k9 u  e& ^0 R% b//速度(1-10)+ B$ E( D# w% u" p: a8 X0 C
var marqueespeed=3' k/ b# b: K; B' K0 v8 u1 h, W. ^. t
//背景颜色
- E5 V/ i) e' H5 O% @9 Z" bvar marqueebgcolor="#FFFFFF"
& n0 Q* Z5 O  ]$ z3 W& U' Z7 _//是否能暂停 (0=no. 1=yes)?
5 t+ y) v& f% L# Zvar pauseit=14 ?: `$ d. H- B

7 w1 ]3 w) O" v& m" M7 |6 N//修改显示内容8 A1 x! q; J3 f% c- s8 L
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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6 ~! d% d4 j; L% _6 H: c////下面不需改变////////////
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6 b  Y4 S* z5 _: D% kvar copyspeed=marqueespeed) C% v8 F- P$ i$ D$ x: U8 C
var pausespeed=(pauseit==0)? copyspeed: 0
2 W6 o  l8 u- o! nvar iedom=document.all||document.getElementById; m* u% {1 C" p( f; I; O
if (iedom)
: M* l0 L: T; P6 Ldocument.write('<span id="temp" style="visibility:hidden;position:absolute;top:-100;left:-1000">'+marqueecontent+'</span>')
7 g( ?8 M2 T! g" n- ]' ^* S8 Q6 bvar actualwidth=''# w/ g1 z8 ^2 L! M% P: T
var cross_marquee, ns_marquee
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function populate(){% H$ r  K+ m8 K3 |$ G2 }, H+ m. Q. U
if (iedom){+ L# t8 @  f) k" @9 t# G0 |
cross_marquee=document.getElementById? document.getElementById("iemarquee") : document.all.iemarquee$ E4 p) q! K; q$ X/ @+ s" Q
cross_marquee.style.left=marqueewidth+8  w8 _" e0 V4 O+ @' o- h
cross_marquee.innerHTML=marqueecontent+ g% D3 \- d5 X  I
actualwidth=document.all? cross_marquee.offsetWidth : document.getElementById("temp").offsetWidth. Y( g" H/ K) x+ j% N8 c
}
! H( T9 R6 q1 c+ W" ?* s& q6 Celse if (document.layers){
- I5 k" C- [( [% y, u2 W1 D, X( cns_marquee=document.ns_marquee.document.ns_marquee28 l4 ?6 W/ P0 M3 O+ }
ns_marquee.left=marqueewidth+8  g3 Z) |: b( J$ o
ns_marquee.document.write(marqueecontent)8 O. R: ~- o# |- ?0 c! A# ]" I
ns_marquee.document.close()
' |: C3 \/ b" E% q8 i& W6 M1 E6 C" Cactualwidth=ns_marquee.document.width
. l3 ~, [1 t6 l/ L/ t}
9 M. F8 w. `1 z  X0 {8 blefttime=setInterval("scrollmarquee()",20)
5 y( z. k* P: ~; A}
! A3 E( k, V6 G) C- Fwindow.onload=populate4 N2 x) z4 F) b
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function scrollmarquee(){( u4 p. ^8 q$ Q5 r2 b+ e% Y3 Q
if (iedom){
" Y+ {3 K' @# \: l: l& mif (parseInt(cross_marquee.style.left)>(actualwidth*(-1)+8))
* g1 G/ n& ~3 r: ^- n. T- Qcross_marquee.style.left=parseInt(cross_marquee.style.left)-copyspeed: n$ `5 M9 ^5 c! t& R5 ~
else
. c4 r) U0 W0 C) rcross_marquee.style.left=marqueewidth+83 ^  P8 T: f/ }

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else if (document.layers){
: A& a/ M2 O4 v* Tif (ns_marquee.left>(actualwidth*(-1)+8))
7 S; W% U6 p* Rns_marquee.left-=copyspeed' l" ]: W- o$ S! O! L
else4 O- [! Y: ]# m
ns_marquee.left=marqueewidth+8
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6 D& L% U, P( {if (iedom||document.layers){3 ~$ Z; g! f( F% Z9 B9 z) E
with (document){
, B6 A" b) _7 v/ `- Tdocument.write('<table border="0" cellspacing="0" cellpadding="0"><td>')8 [4 v( M: A, Z
if (iedom){) U2 P3 y0 c! O, z! F, Z
write('<div style="position:relative;width:'+marqueewidth+';height:'+marqueeheight+';overflow:hidden">')9 _; z: g: N  \0 U; z
write('<div style="position:absolute;width:'+marqueewidth+';height:'+marqueeheight+';background-color:'+marqueebgcolor+'" onMouseover="copyspeed=pausespeed" onMouseout="copyspeed=marqueespeed">')! R& D# `0 p+ `. T6 e* V  m
write('<div id="iemarquee" style="position:absolute;left:0;top:0"></div>')9 d  r( C8 u: x- ^5 ?* \  T( e/ A* k+ T
write('</div>')  J4 V+ v0 R2 Z( B1 {" ]- g
}  t/ O! ?# ?, ]7 U% P- `" F+ }+ b
else if (document.layers){
- G: I. J% }0 Y. ewrite('<ilayer width='+marqueewidth+' height='+marqueeheight+' name="ns_marquee" bgColor='+marqueebgcolor+'>'): s1 {6 s3 H9 l- q4 H1 Q6 o# t7 ]
write('<layer name="ns_marquee2" left=0 top=0 onMouseover="copyspeed=pausespeed" onMouseout="copyspeed=marqueespeed"></layer>')
  |2 T  b  T& [2 O  Vwrite('</ilayer>')4 Q) K) i4 ~' f( k
}
6 e5 Q/ ~: i' [# ^% E  N7 g$ rdocument.write('</td></table>')
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$ v% z1 Z0 ?8 W5 D</script>