网页之跑马灯文字特效

zw2004

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var marqueewidth=300- z$ p: b- X. k: r, q) P
//高度
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//修改显示内容! ~' w0 K7 G/ l* p" g2 H
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>'! t! W* T- B1 K

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////下面不需改变////////////
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var copyspeed=marqueespeed
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var iedom=document.all||document.getElementById9 u4 S3 k5 `( k# |3 h
if (iedom)7 [/ n. q$ m# Q1 u$ V
document.write('<span id="temp" style="visibility:hidden;position:absolute;top:-100;left:-1000">'+marqueecontent+'</span>')  M9 G& c6 L3 A" W8 s; ^( l
var actualwidth=''" b0 M) Z! A# T6 g! m2 W
var cross_marquee, ns_marquee& q! o( D: J* J1 p& f4 p% n2 z

. k% D& O. f. ^+ vfunction populate(){: @5 ^# [6 k7 F6 e' K9 w$ T
if (iedom){6 R* C2 m/ o. `. o+ @2 N
cross_marquee=document.getElementById? document.getElementById("iemarquee") : document.all.iemarquee
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cross_marquee.innerHTML=marqueecontent
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( V- e+ E4 }$ P& [* celse if (document.layers){
  ^! H/ D/ j1 P# j, g9 m1 {ns_marquee=document.ns_marquee.document.ns_marquee2# }/ M2 I* {: B( [! H9 J0 e) W& l
ns_marquee.left=marqueewidth+80 }# l* X( M% f: {/ W* i. f; Y
ns_marquee.document.write(marqueecontent), A5 M1 w0 I1 @! W8 t% B
ns_marquee.document.close()' _4 T& h9 K- g4 B/ x
actualwidth=ns_marquee.document.width, t6 E# A4 k$ _, e1 ^0 l: v+ }
}
3 |! [/ Q) e5 ~/ d4 k# E% Slefttime=setInterval("scrollmarquee()",20)
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. m5 t4 S. V. [8 Ywindow.onload=populate( [/ F6 ?6 o* q9 x- @2 r

0 K( a* _) w# |5 V7 s; |) d8 Tfunction scrollmarquee(){
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if (parseInt(cross_marquee.style.left)>(actualwidth*(-1)+8)); }) l( O# q) ^
cross_marquee.style.left=parseInt(cross_marquee.style.left)-copyspeed
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ns_marquee.left-=copyspeed* h. I% `$ Q( Q
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ns_marquee.left=marqueewidth+8) I6 {) d5 d  r+ T' @3 j: M. M/ W
}
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if (iedom||document.layers){
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document.write('<table border="0" cellspacing="0" cellpadding="0"><td>')' s" }8 t$ A( K: o; M: X: T
if (iedom){
4 z" d0 ~, Q7 u" N( `) r3 |write('<div style="position:relative;width:'+marqueewidth+';height:'+marqueeheight+';overflow:hidden">')
0 J* o2 t5 G& S+ Z  owrite('<div style="position:absolute;width:'+marqueewidth+';height:'+marqueeheight+';background-color:'+marqueebgcolor+'" onMouseover="copyspeed=pausespeed" onMouseout="copyspeed=marqueespeed">')4 [/ V* p, Q. U0 g  i# a5 O
write('<div id="iemarquee" style="position:absolute;left:0;top:0"></div>')& o$ P; N# n3 m# J
write('</div>')* ~# f" n- U* f' y6 E
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else if (document.layers){( p- ]7 r  L7 x$ T% @
write('<ilayer width='+marqueewidth+' height='+marqueeheight+' name="ns_marquee" bgColor='+marqueebgcolor+'>')( e+ [8 G. w. p$ v/ H; _
write('<layer name="ns_marquee2" left=0 top=0 onMouseover="copyspeed=pausespeed" onMouseout="copyspeed=marqueespeed"></layer>')
) N+ {' ?* o$ P7 h$ V/ bwrite('</ilayer>')
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. E) k' g9 n9 f8 T& Gdocument.write('</td></table>')0 }/ Q" U6 |( H( B% z
}
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$ w- Y/ I7 H) Z# ^* u) e</script>