网页之跑马灯文字特效

zw2004

//修改宽度
7 ]+ t* H4 ^  ]8 X! Ovar marqueewidth=3009 m8 R8 s/ g2 T2 V" J' I
//高度8 _: `, g% [: Q( U
var marqueeheight=259 w1 O# Q" u# j# m# }5 b
//速度(1-10)
9 b8 w* T' b9 a3 ?var marqueespeed=3
5 F  Q# g/ C7 j% c* `//背景颜色
! e$ c+ X$ {$ z+ f  `+ Zvar marqueebgcolor="#FFFFFF"- f2 M- ?) H# u- E
//是否能暂停 (0=no. 1=yes)?
+ Y' ^. u( {5 w+ x. D7 Jvar pauseit=1
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//修改显示内容
% ^! b. E% C1 N6 D  ~/ _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( b1 `9 |* C- T2 {

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////下面不需改变////////////0 p! q+ ~" S& H! z

4 E! s8 U+ @5 \" ~/ F9 ]var copyspeed=marqueespeed7 h, ~/ M& |7 r- M) N0 q! N
var pausespeed=(pauseit==0)? copyspeed: 02 t) K. W/ _7 N& C2 O" I+ a- O
var iedom=document.all||document.getElementById
. I! v4 I) i: \* B( ]# K- R" d! j9 iif (iedom)
: Y7 O$ d# h# l3 K6 L1 _+ ?) Hdocument.write('<span id="temp" style="visibility:hidden;position:absolute;top:-100;left:-1000">'+marqueecontent+'</span>')5 [1 d4 D4 u# k
var actualwidth=''
" k& t( `9 v% \( i# P5 R7 g/ qvar cross_marquee, ns_marquee
7 v) @# C& e1 {
( Z1 {& o7 P1 ~9 U; t6 ?+ afunction populate(){
% o+ g" q' h0 |  ^1 F1 iif (iedom){7 \0 G5 B% p' L/ K
cross_marquee=document.getElementById? document.getElementById("iemarquee") : document.all.iemarquee5 t' G: y- k, C4 ~/ F1 r. d% S
cross_marquee.style.left=marqueewidth+8# F/ h) ^/ z) n$ H/ Q& B
cross_marquee.innerHTML=marqueecontent3 X6 G  ^/ P3 U; f8 k0 w/ J3 C) I
actualwidth=document.all? cross_marquee.offsetWidth : document.getElementById("temp").offsetWidth
+ @) _$ v9 ]4 w* e  f' C}
! ?" V3 h/ _, l: @* zelse if (document.layers){
! N: c( F% I$ N( p  j. A6 e% V$ Ens_marquee=document.ns_marquee.document.ns_marquee2( c, a) {; I* c' w! p' c& n
ns_marquee.left=marqueewidth+8
9 ?3 O  ?3 I) r+ x; V; X/ B" \ns_marquee.document.write(marqueecontent)# T/ p: l% x* S0 Z+ k# k8 E6 e4 u
ns_marquee.document.close()
6 k# t) q8 N( _& K$ Mactualwidth=ns_marquee.document.width
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lefttime=setInterval("scrollmarquee()",20)% z- D3 i1 S( A$ e- N
}
$ X9 F7 u! N* @& V" w* e! P8 [window.onload=populate
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" f- L9 s' C3 Y+ l: w  e# F* Afunction scrollmarquee(){9 }7 }+ H% N& F; J
if (iedom){: ?% x0 q$ T. t9 F9 `9 i; d
if (parseInt(cross_marquee.style.left)>(actualwidth*(-1)+8))
, ~, P# Z3 o( Y% u# ]cross_marquee.style.left=parseInt(cross_marquee.style.left)-copyspeed
" ~$ v/ G& A* y: F. L) f! }! I6 felse
' [: \8 [3 k. g1 |% P9 c4 Icross_marquee.style.left=marqueewidth+8
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else if (document.layers){
) l7 }" ~. g0 C7 e2 \if (ns_marquee.left>(actualwidth*(-1)+8))' k( s  J/ [# b  S
ns_marquee.left-=copyspeed1 _) S+ L/ M$ F  ^% ^0 |
else
4 i$ r; O; k7 |# e; `0 gns_marquee.left=marqueewidth+8
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if (iedom||document.layers){8 R6 b; g& a' ^1 ~
with (document){6 S5 \, {  f; z& G, G; A
document.write('<table border="0" cellspacing="0" cellpadding="0"><td>')5 g3 S- e$ V& m& S2 n, n' l2 E
if (iedom){9 P' j/ H0 R. D$ ~3 r! |
write('<div style="position:relative;width:'+marqueewidth+';height:'+marqueeheight+';overflow:hidden">'): `* l- Z& L. q8 m0 G
write('<div style="position:absolute;width:'+marqueewidth+';height:'+marqueeheight+';background-color:'+marqueebgcolor+'" onMouseover="copyspeed=pausespeed" onMouseout="copyspeed=marqueespeed">')
' e3 M" {$ Q: e: J) m! n- rwrite('<div id="iemarquee" style="position:absolute;left:0;top:0"></div>'), [  L/ y, X( \  Z( y" L( O8 j
write('</div>')* g3 M9 f% |5 ]# o) t9 h( s& }  o& M
}  w( L" H% [/ R. O
else if (document.layers){
# n6 e/ ^, W4 K- F. o: W8 a8 X/ Iwrite('<ilayer width='+marqueewidth+' height='+marqueeheight+' name="ns_marquee" bgColor='+marqueebgcolor+'>')
1 C2 d8 C, H( \9 U* P9 wwrite('<layer name="ns_marquee2" left=0 top=0 onMouseover="copyspeed=pausespeed" onMouseout="copyspeed=marqueespeed"></layer>')& T5 d( T+ q2 ^, s- a* _) I% Q: k
write('</ilayer>')
. C9 U& i( ^) y}
+ p2 j  Q& S; r( q3 Zdocument.write('</td></table>')
4 U: L# R2 Q3 z3 n) F! O+ L1 g" r6 J* ]}
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1 P9 d% ?; t- r# b. c" t$ L3 Y</script>