网页之跑马灯文字特效

zw2004

//修改宽度' h# R, B' K+ e$ U4 a5 @" H( F
var marqueewidth=3009 s6 ~1 e, z; _: d3 \
//高度
" T- d" S# o0 t  Y$ {( [" dvar marqueeheight=25
; h% ?6 t- @$ W5 S6 n! t7 F//速度(1-10)
1 I$ z7 e4 E3 C9 M7 Z  tvar marqueespeed=3$ K/ _  h( d" N0 g" q4 B: o( ^
//背景颜色
+ C! W; D5 g5 T# \var marqueebgcolor="#FFFFFF"
- W% v8 l) j( W//是否能暂停 (0=no. 1=yes)?1 \9 n& s2 u- F5 A2 y# c# K- e( U
var pauseit=1
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//修改显示内容# [% z# I! ^9 ~) p- w& Z5 y. j
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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9 F0 o1 p4 E' ^, Q9 n////下面不需改变////////////# B* x+ @$ E- r
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var copyspeed=marqueespeed0 U, u7 S3 g3 c7 T6 W( I7 }
var pausespeed=(pauseit==0)? copyspeed: 0) T8 T- \3 G4 N# W& a5 X7 z
var iedom=document.all||document.getElementById0 |/ g+ O3 i+ {2 r. x5 E7 G
if (iedom)1 }0 {$ ]& @8 A, H( ?6 L! _+ r" M
document.write('<span id="temp" style="visibility:hidden;position:absolute;top:-100;left:-1000">'+marqueecontent+'</span>')! J- N5 S  `( c! e" h
var actualwidth=''( y. l! N5 J3 Q6 b$ h3 k1 Z+ V3 r
var cross_marquee, ns_marquee
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/ J" _$ t5 v  p! e7 _4 {function populate(){/ g: a  r& m  c/ |9 V- u4 c" l
if (iedom){
. _8 d5 c& c4 R$ r! Z# o, k  ]cross_marquee=document.getElementById? document.getElementById("iemarquee") : document.all.iemarquee2 o  N. Y4 {" N& q6 n3 m
cross_marquee.style.left=marqueewidth+8
' j7 A, K$ m6 icross_marquee.innerHTML=marqueecontent
0 b7 i' n2 ?. kactualwidth=document.all? cross_marquee.offsetWidth : document.getElementById("temp").offsetWidth" u3 V# L5 T* _6 w
}
9 X- g; x7 W; e5 H0 l5 ]else if (document.layers){
" ^- ^2 p( `1 m3 e0 E8 uns_marquee=document.ns_marquee.document.ns_marquee2( G% g* I$ W# U$ X- K
ns_marquee.left=marqueewidth+85 o! b6 L) `4 ~7 [4 ?: g
ns_marquee.document.write(marqueecontent)
1 [( ?* n: P7 d4 U4 e9 |4 Ans_marquee.document.close(); R! A' `, C( D1 u9 a7 q
actualwidth=ns_marquee.document.width+ b: ]( X5 X' f0 l$ ?
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lefttime=setInterval("scrollmarquee()",20)- L2 E5 t$ G# a$ J& M
}
, j: N* z/ W2 u# z. ^- @& O2 M6 owindow.onload=populate9 d- t$ ]  F. k: h% k: W/ c2 ]

7 D% Y' I; K* i1 C4 m0 z) zfunction scrollmarquee(){* ?1 c) O2 E4 ]" E3 m0 V& ]' O8 V: W
if (iedom){) z, K4 p- r* M* p3 O
if (parseInt(cross_marquee.style.left)>(actualwidth*(-1)+8))
! @, D$ q3 ^! y# ]2 @cross_marquee.style.left=parseInt(cross_marquee.style.left)-copyspeed
1 ]) Q( L9 A: I% i* Delse' ]0 U- e8 K, e6 O' w9 v
cross_marquee.style.left=marqueewidth+8
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+ ]& M5 V. ]- O. _}
+ M1 ?5 ]' ^( n0 a2 @) ]+ Oelse if (document.layers){
( i7 @1 N  u3 R7 N6 a1 [$ Iif (ns_marquee.left>(actualwidth*(-1)+8))$ s0 h: B; V0 G4 h
ns_marquee.left-=copyspeed$ i5 ]% l% A! K3 O' v: g: n7 Q
else
4 M" [7 n4 E3 ^, y5 N) mns_marquee.left=marqueewidth+8
" \" o" |3 P' l1 ^9 j% P5 x% F}
" R3 o8 O$ g3 p0 _; E}
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; |, G5 B" }3 l, tif (iedom||document.layers){
2 ^/ I& n( _& K7 s* E! c  Ywith (document){7 S* k+ `2 l% y
document.write('<table border="0" cellspacing="0" cellpadding="0"><td>')/ u& F( w8 ]) C. M7 _+ u
if (iedom){
/ B: L, a6 M7 t5 F  N, Wwrite('<div style="position:relative;width:'+marqueewidth+';height:'+marqueeheight+';overflow:hidden">')
# P3 X% v0 D* N* b. ewrite('<div style="position:absolute;width:'+marqueewidth+';height:'+marqueeheight+';background-color:'+marqueebgcolor+'" onMouseover="copyspeed=pausespeed" onMouseout="copyspeed=marqueespeed">')
, a0 r; F$ s. Dwrite('<div id="iemarquee" style="position:absolute;left:0;top:0"></div>')" D5 W6 S* q7 R3 Z! Y, W& k
write('</div>')9 ^4 ~2 z7 B& `0 z4 v
}
+ l" S# N! W% V0 E, Belse if (document.layers){0 Q; I7 d  s0 K+ `
write('<ilayer width='+marqueewidth+' height='+marqueeheight+' name="ns_marquee" bgColor='+marqueebgcolor+'>')
! A$ Z  H/ H0 m1 B. z* @write('<layer name="ns_marquee2" left=0 top=0 onMouseover="copyspeed=pausespeed" onMouseout="copyspeed=marqueespeed"></layer>')
. A% Q" D3 ~1 |8 Z7 l5 y" _" _write('</ilayer>')
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document.write('</td></table>')
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}
. j  G6 s6 ]% C: g; A</script>