网页之跑马灯文字特效

zw2004

//修改宽度9 i/ t: s# O& l/ t* t4 ^1 W* ^
var marqueewidth=300
# E8 J2 C: r$ J5 a% m- Q* }. |( b//高度2 m( V6 w* i' P* m) T/ j
var marqueeheight=252 ^( q+ S, N/ d3 _  ?
//速度(1-10)
: |: n0 `5 a- U! M% j0 d2 x% C7 tvar marqueespeed=37 J' a. h. g) C
//背景颜色
0 ]. J$ J# g* J3 ]  Mvar marqueebgcolor="#FFFFFF"
4 ^& l1 V! ~$ C$ ^3 P8 O//是否能暂停 (0=no. 1=yes)?
$ `6 J' c0 B$ ]. N* Q" S6 a2 Lvar pauseit=1$ r8 x3 X( L+ ^% i4 e, Q4 N' L; o
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//修改显示内容
5 z4 N+ R5 H$ T; lvar 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////////////$ P8 B4 v: G$ G* b/ q
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var copyspeed=marqueespeed
3 L3 Q" V' W6 z3 ]. R3 i6 z2 Ivar pausespeed=(pauseit==0)? copyspeed: 0
; K3 o* J- i) G2 s( e( c) Uvar iedom=document.all||document.getElementById
/ R0 ?; U2 t2 D4 |  {+ ?if (iedom)
' `1 D8 T. K# q9 f% }9 [document.write('<span id="temp" style="visibility:hidden;position:absolute;top:-100;left:-1000">'+marqueecontent+'</span>')
+ L) y/ C* h; G( z; x6 Wvar actualwidth=''
/ E0 @( w. ?: T* q; zvar cross_marquee, ns_marquee
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function populate(){1 o  n( @3 a# [, |8 ]6 D5 r2 \, s
if (iedom){0 v, ^' h7 ^4 E9 h3 d
cross_marquee=document.getElementById? document.getElementById("iemarquee") : document.all.iemarquee. {$ h. `$ ^, q4 B
cross_marquee.style.left=marqueewidth+8% B7 a. q' P! [7 r+ z& J! I
cross_marquee.innerHTML=marqueecontent  _; A3 L2 `* O' X( C
actualwidth=document.all? cross_marquee.offsetWidth : document.getElementById("temp").offsetWidth' X1 ]  `+ B  q, g& t0 W9 a
}
6 G' s& J" O$ lelse if (document.layers){
$ {. `5 g/ w% Q/ ens_marquee=document.ns_marquee.document.ns_marquee2
. X: V3 l& y& V& Q, Yns_marquee.left=marqueewidth+8
) ]8 R: F6 ?4 I1 C; J0 i/ ]ns_marquee.document.write(marqueecontent)3 ~% O2 K3 h7 O
ns_marquee.document.close()
# @, f, h. C+ t' W( a+ _* F4 }actualwidth=ns_marquee.document.width
& I7 Y! ?$ Y$ U% ~9 U5 O1 Y: j" |5 Q}
" I0 V) V: j+ I9 t' E2 [' t1 ^lefttime=setInterval("scrollmarquee()",20)+ S6 G* F* i+ K6 y
}
$ Z$ C' @$ I9 r3 N; b7 ]/ fwindow.onload=populate
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function scrollmarquee(){
7 M+ e# f4 g: {) x( e4 gif (iedom){
8 E. K! `$ Q8 ?0 Aif (parseInt(cross_marquee.style.left)>(actualwidth*(-1)+8))
3 ?9 }) q; G5 c8 W7 u0 {) I' p8 Ncross_marquee.style.left=parseInt(cross_marquee.style.left)-copyspeed: H) c6 R* R* N; T" Q, L
else$ n& `  |4 I# s! `* O
cross_marquee.style.left=marqueewidth+8  s- S6 F% M$ U7 W4 R* B/ q
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}
  E- b9 m) {  welse if (document.layers){
. E0 ?( `; e  Bif (ns_marquee.left>(actualwidth*(-1)+8))/ T; q+ T, C* \  Q, T& f3 m' l
ns_marquee.left-=copyspeed
) {$ C$ K0 Q+ M* k+ relse
: {* |$ _8 r# J4 y3 y4 Ans_marquee.left=marqueewidth+8
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if (iedom||document.layers){+ P4 w  ^+ @  b+ w% y3 \
with (document){
' v& V# H( m0 W; R& u! s0 w: X: rdocument.write('<table border="0" cellspacing="0" cellpadding="0"><td>')" J8 `3 y- Z1 o+ T7 R3 A5 g
if (iedom){/ H1 k* E5 @4 ^9 ~/ n. p  H% S3 d
write('<div style="position:relative;width:'+marqueewidth+';height:'+marqueeheight+';overflow:hidden">')
  I3 ^8 m4 J  vwrite('<div style="position:absolute;width:'+marqueewidth+';height:'+marqueeheight+';background-color:'+marqueebgcolor+'" onMouseover="copyspeed=pausespeed" onMouseout="copyspeed=marqueespeed">')6 u# m7 g' u7 @9 u/ _
write('<div id="iemarquee" style="position:absolute;left:0;top:0"></div>')
1 p- R! h& q% p0 o7 owrite('</div>')
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else if (document.layers){
( n' \5 S: b4 Q! _: ^, \9 \0 Twrite('<ilayer width='+marqueewidth+' height='+marqueeheight+' name="ns_marquee" bgColor='+marqueebgcolor+'>')
. l# l. V3 H; Y* {write('<layer name="ns_marquee2" left=0 top=0 onMouseover="copyspeed=pausespeed" onMouseout="copyspeed=marqueespeed"></layer>')) K( k. l+ L$ n, x% w9 i$ P
write('</ilayer>')9 K- K+ U: O# f3 r8 p4 ]% s
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document.write('</td></table>')
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}
4 Q4 s6 i$ G4 D: J8 T* a</script>