网页之跑马灯文字特效

zw2004

//修改宽度
4 x/ P0 `, G) z" `+ x0 ]! Vvar marqueewidth=300
: k7 t9 H0 U3 w' ~//高度
; a9 D# H0 k5 f, Pvar marqueeheight=25
2 @5 J5 O2 W7 Z% d7 Z* R* e//速度(1-10)
, X: I* u7 }- x2 U7 s& S9 k) bvar marqueespeed=36 Q' x+ S$ o1 h
//背景颜色
: t1 m+ [- T) Fvar marqueebgcolor="#FFFFFF"
6 P( x( c, m2 D; E% s. w//是否能暂停 (0=no. 1=yes)?
! ?: |8 Q  ^  e& a+ zvar pauseit=1
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//修改显示内容. B, Q! ~1 }; v% z
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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////下面不需改变////////////
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2 T4 _6 e( z( P' L# Y: ]! Nvar copyspeed=marqueespeed( Q0 @, Y8 s. B' C8 j3 Q  h
var pausespeed=(pauseit==0)? copyspeed: 0
8 @% G! f- y' Q. @5 B: K) A$ i3 Tvar iedom=document.all||document.getElementById* ?. ~( I* W/ ~
if (iedom)5 j8 r( O, y/ [1 J
document.write('<span id="temp" style="visibility:hidden;position:absolute;top:-100;left:-1000">'+marqueecontent+'</span>')7 B% j. [3 s+ @$ X2 K, k
var actualwidth=''
- h" i% t6 `$ {! r9 A3 J! F8 svar cross_marquee, ns_marquee
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, e6 T0 x- S% M; z4 S4 J& A7 y" }function populate(){1 R2 f4 q( Q; J+ ~
if (iedom){
: R3 V, Q* M& D' O+ X" icross_marquee=document.getElementById? document.getElementById("iemarquee") : document.all.iemarquee: Y& B' }1 Q6 x7 E% E
cross_marquee.style.left=marqueewidth+8
; Z7 w/ r& y8 r: `8 Wcross_marquee.innerHTML=marqueecontent
3 \  N, H- P% g" l! }9 N/ hactualwidth=document.all? cross_marquee.offsetWidth : document.getElementById("temp").offsetWidth
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else if (document.layers){
2 b& m7 C/ o# d2 d; y* c" G  H  ^ns_marquee=document.ns_marquee.document.ns_marquee2
# z' U! K# H' T* C/ c8 \/ Ins_marquee.left=marqueewidth+8
" m$ c9 x1 k" z) g8 \8 R- xns_marquee.document.write(marqueecontent)
5 t, p! @  v$ X+ kns_marquee.document.close()- a2 J8 Q# x, S: f! S6 c& y! i
actualwidth=ns_marquee.document.width
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lefttime=setInterval("scrollmarquee()",20)6 O2 P9 I' D6 P& a" d9 l
}
7 Z7 S9 t  f6 }window.onload=populate
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2 v/ o; l% u  J5 _$ e( Nfunction scrollmarquee(){0 L) S& P: z2 x" o0 ~+ X
if (iedom){: z4 l) p! `2 O/ o4 z* w( o
if (parseInt(cross_marquee.style.left)>(actualwidth*(-1)+8))* _% u% F" i+ F8 U
cross_marquee.style.left=parseInt(cross_marquee.style.left)-copyspeed
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cross_marquee.style.left=marqueewidth+8
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else if (document.layers){
# k. K- y7 Q$ n' x) E- Bif (ns_marquee.left>(actualwidth*(-1)+8))
0 P8 \# p9 ?: Lns_marquee.left-=copyspeed
0 z2 i0 p9 `2 J" p, G2 O( j  O- Lelse
7 s! X$ q( F0 Tns_marquee.left=marqueewidth+83 p. i8 u9 \0 q, z7 u  `
}
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if (iedom||document.layers){
& p  l9 |: E" L. V4 e$ r' uwith (document){
; ^& E- t+ @/ ]* |document.write('<table border="0" cellspacing="0" cellpadding="0"><td>')
. d, v/ a, n, z4 hif (iedom){
8 c, Q' D1 u* A7 P! wwrite('<div style="position:relative;width:'+marqueewidth+';height:'+marqueeheight+';overflow:hidden">')
3 Q* e% W2 O7 j7 p6 wwrite('<div style="position:absolute;width:'+marqueewidth+';height:'+marqueeheight+';background-color:'+marqueebgcolor+'" onMouseover="copyspeed=pausespeed" onMouseout="copyspeed=marqueespeed">')
- g6 v0 T& \! ~4 _4 j$ hwrite('<div id="iemarquee" style="position:absolute;left:0;top:0"></div>')3 C! y  D8 B9 @) a5 {' w
write('</div>')
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else if (document.layers){! X3 |0 w5 u# V, w* h: {
write('<ilayer width='+marqueewidth+' height='+marqueeheight+' name="ns_marquee" bgColor='+marqueebgcolor+'>')
" j% Z/ q8 Q: O+ z8 |write('<layer name="ns_marquee2" left=0 top=0 onMouseover="copyspeed=pausespeed" onMouseout="copyspeed=marqueespeed"></layer>')) G" c# \2 Q; r, i$ `# p. L
write('</ilayer>')
+ }+ ?( P& _' ?  C2 M}
( v: g( [7 k" Q! b9 ]2 G  G* u; ?document.write('</td></table>'); _/ }0 q  K* v' R# b. P9 n# K
}" o9 Y* u0 v7 k) Q
}
) K0 p0 f% B; i  O0 d; W4 j9 `</script>