网页之跑马灯文字特效

zw2004

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var marqueeheight=25
. F- Z. V+ B7 ~: `! r//速度(1-10)
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var marqueebgcolor="#FFFFFF"1 |! i0 p( ~; b* [: @
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var pauseit=1
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//修改显示内容) ~$ M( i0 A* @3 H; {6 b6 w
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>'6 q2 V- Q8 w5 q* h+ t5 V

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////下面不需改变////////////
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var copyspeed=marqueespeed
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var cross_marquee, ns_marquee
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function populate(){
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: T- o% S& t/ D& T+ M& fcross_marquee.style.left=marqueewidth+81 t8 o, S1 W) M+ G; P" ?
cross_marquee.innerHTML=marqueecontent3 F: \' X( O  L* V( A( F
actualwidth=document.all? cross_marquee.offsetWidth : document.getElementById("temp").offsetWidth
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, g: E3 F# _2 x8 q! @$ v, Celse if (document.layers){
  }% A6 W9 @% z) `ns_marquee=document.ns_marquee.document.ns_marquee2
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ns_marquee.document.write(marqueecontent)
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actualwidth=ns_marquee.document.width
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7 G2 `1 [! {5 j7 clefttime=setInterval("scrollmarquee()",20)& g$ \* m# w& Q
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window.onload=populate$ s6 F, U+ U1 P) H4 Y9 _+ J
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function scrollmarquee(){* C% g& t1 S+ _5 P% k
if (iedom){; t) a6 Q; Z9 [" |! n5 B
if (parseInt(cross_marquee.style.left)>(actualwidth*(-1)+8))' @+ e/ k! ~6 l. V
cross_marquee.style.left=parseInt(cross_marquee.style.left)-copyspeed* c; x- ?- @7 ^3 v
else
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ns_marquee.left=marqueewidth+84 K2 G; g" y% v" I; P0 Y
}
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with (document){
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write('<div style="position:relative;width:'+marqueewidth+';height:'+marqueeheight+';overflow:hidden">')( t* @- p0 f5 g7 k
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write('<div id="iemarquee" style="position:absolute;left:0;top:0"></div>'); C; @" N+ s: S- p8 T: ]. ^
write('</div>')
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+ v+ Y& r& _* o+ gelse if (document.layers){
; J) J/ H0 o* R( S/ D" i7 j4 V4 Bwrite('<ilayer width='+marqueewidth+' height='+marqueeheight+' name="ns_marquee" bgColor='+marqueebgcolor+'>')4 E$ R4 j% h! O) s( C
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write('</ilayer>')/ ?0 ^9 d& w4 _  D7 b5 Q
}; J/ g* e) A% O
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