网页之跑马灯文字特效

zw2004

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var marqueeheight=258 o. H/ e" s/ A5 O" F
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var marqueebgcolor="#FFFFFF"  f5 s6 T. N% Q1 V. L6 l, J
//是否能暂停 (0=no. 1=yes)?
* B7 f8 W7 X0 C4 f& cvar pauseit=1
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//修改显示内容% E; n* Y7 T' h( l- T! p9 ]
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>'5 v5 O- M* y1 l# U" C1 _& M

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! {, Y& ^9 ?/ k( V////下面不需改变////////////
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var copyspeed=marqueespeed
1 V, F, ^3 K+ Ivar pausespeed=(pauseit==0)? copyspeed: 0
$ Q- D: x6 Q' c# r  t6 ]3 Ivar iedom=document.all||document.getElementById- A  T* A1 z' q; R' ?7 \  A
if (iedom)
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var actualwidth=''4 i; Y9 M; K( b- ?. J/ r* t
var cross_marquee, ns_marquee
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function populate(){
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1 U# _8 q4 V! L5 Vcross_marquee=document.getElementById? document.getElementById("iemarquee") : document.all.iemarquee) X& F, P4 U& m. L7 h
cross_marquee.style.left=marqueewidth+8
, F6 l0 T$ u5 V% {cross_marquee.innerHTML=marqueecontent
. r! F, X7 N5 |' z  S: Tactualwidth=document.all? cross_marquee.offsetWidth : document.getElementById("temp").offsetWidth
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- n) h- z5 z" y! _" v0 H8 jelse if (document.layers){4 {* v* U8 p0 m, _! Z! v4 E
ns_marquee=document.ns_marquee.document.ns_marquee2- t* _- N. C) s. Q) J
ns_marquee.left=marqueewidth+8
- B1 I( j' n4 o9 Z- O$ Y$ Vns_marquee.document.write(marqueecontent)# z4 c, U* C5 d* A! y
ns_marquee.document.close()) {- Z# b+ Z3 t# t) G. @6 Y" ], ~
actualwidth=ns_marquee.document.width5 F% D' ^1 d: s1 P
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lefttime=setInterval("scrollmarquee()",20)
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window.onload=populate
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function scrollmarquee(){+ m8 T* Z4 Q/ b! O' d* h
if (iedom){% C9 v# u' W1 b
if (parseInt(cross_marquee.style.left)>(actualwidth*(-1)+8))2 h, g  U' G9 h! M6 ?( q/ w' U
cross_marquee.style.left=parseInt(cross_marquee.style.left)-copyspeed
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cross_marquee.style.left=marqueewidth+8& y' G7 x6 N: v; U

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else if (document.layers){: s: Y" g, {: t9 w  F* A  L# T
if (ns_marquee.left>(actualwidth*(-1)+8))
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else
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8 N6 Q% Y* [7 gif (iedom||document.layers){% n8 W; |0 n! C* e/ u! C
with (document){* ?. \- w( H% f+ c# o
document.write('<table border="0" cellspacing="0" cellpadding="0"><td>')# _  ^7 Y# b/ v% ~3 m8 A- j
if (iedom){+ j8 v5 ^2 J9 t# _0 v; M9 _
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: m5 c: Y: x( I. p0 ^% r! Iwrite('<div style="position:absolute;width:'+marqueewidth+';height:'+marqueeheight+';background-color:'+marqueebgcolor+'" onMouseover="copyspeed=pausespeed" onMouseout="copyspeed=marqueespeed">')" g2 K3 R4 i) K+ j* D' N$ V7 l- j3 U0 t
write('<div id="iemarquee" style="position:absolute;left:0;top:0"></div>')3 `! R  `2 E4 }6 O# m- `6 n
write('</div>')' u' m# p: o0 y8 M
}) b/ _  J5 Z; t! }8 Z& b2 G
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write('<layer name="ns_marquee2" left=0 top=0 onMouseover="copyspeed=pausespeed" onMouseout="copyspeed=marqueespeed"></layer>')
; ?' W3 A7 ^! d. j4 E( u& l6 ^+ O+ dwrite('</ilayer>')" c2 Z$ h. v+ \" M& ?  _
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/ y: s! W$ r: U+ Kdocument.write('</td></table>')
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/ d# _8 i' Z5 ?" Z& A7 Y( q</script>