网页之跑马灯文字特效

zw2004

//修改宽度
+ H3 S- B; x- P3 p( kvar marqueewidth=3007 X% c# \0 P( p  C
//高度
! `, }' _! A4 \$ n* j- A$ h* hvar marqueeheight=25
% R( t3 K7 i: i4 y6 s4 J) F: d. G//速度(1-10)- H5 P6 t+ `2 m" K, f
var marqueespeed=3
' n' F6 B, E4 `4 y$ D8 w7 O//背景颜色
0 i1 x, ^7 Z9 o; {var marqueebgcolor="#FFFFFF"
% q& \; g# ~$ H1 u6 {4 h//是否能暂停 (0=no. 1=yes)?
* M* @7 F+ h2 d& evar pauseit=18 ^6 S7 p7 J) h( \
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//修改显示内容/ p9 [, J4 K' Q) 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>'; Q) q; v# Z6 B8 T! ]- Z+ j4 \

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6 R8 B( y5 ~2 E" M4 i# r& w9 @3 f////下面不需改变////////////
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; Z& m: I$ G3 g/ |var copyspeed=marqueespeed6 A9 Y' Z5 l5 D2 @
var pausespeed=(pauseit==0)? copyspeed: 0; W0 B: Y$ J! }" M$ i
var iedom=document.all||document.getElementById/ T; @( D' A- x5 }8 }* @
if (iedom)
  o/ W4 l5 h* p% ?document.write('<span id="temp" style="visibility:hidden;position:absolute;top:-100;left:-1000">'+marqueecontent+'</span>')  N4 S# m$ p* q& d
var actualwidth=''* D. g6 Y4 ?9 R" |* @0 C" H$ J
var cross_marquee, ns_marquee4 Y& {3 L, {1 f3 f' F9 w
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function populate(){
9 F/ Q  z9 T- N* l6 N: e6 Z/ d2 p+ Kif (iedom){
* y) T  ?/ w! Y( u3 p' kcross_marquee=document.getElementById? document.getElementById("iemarquee") : document.all.iemarquee
5 a! L& ^) L1 H/ c0 L2 icross_marquee.style.left=marqueewidth+8
5 U  k( p) p% A* ]. Zcross_marquee.innerHTML=marqueecontent8 D# u8 v% `+ h) i5 A  Y, \
actualwidth=document.all? cross_marquee.offsetWidth : document.getElementById("temp").offsetWidth
3 x% r' m, n$ }( A  z}
- E% g+ h' o% T1 H# v) ielse if (document.layers){
3 X6 f' e1 D, |9 W& ?ns_marquee=document.ns_marquee.document.ns_marquee2  G, ~/ m* a1 P  u9 p/ C
ns_marquee.left=marqueewidth+8
: w7 Z; j; \- @, ^+ p  Q& ans_marquee.document.write(marqueecontent)% h, w& n0 {- a. ]0 `3 f
ns_marquee.document.close()* R7 H' _5 {( I4 z4 |! d2 h
actualwidth=ns_marquee.document.width
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lefttime=setInterval("scrollmarquee()",20)4 [# N- m2 Y4 O$ |1 Z4 @5 v+ }/ ?: W" V
}) Z0 X4 G$ v( ^. r5 N$ I4 E
window.onload=populate
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function scrollmarquee(){
+ N9 e2 r; N- n  C1 u7 ^if (iedom){! P5 A  T5 I* e  ?* p
if (parseInt(cross_marquee.style.left)>(actualwidth*(-1)+8))' [3 t7 y6 }& e
cross_marquee.style.left=parseInt(cross_marquee.style.left)-copyspeed. c' ^5 R5 @* a  {$ e7 c7 @. x, }+ h
else
  W; @; D) R$ H; d4 l  icross_marquee.style.left=marqueewidth+8
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}
4 w: {# P9 m& Y& V5 P# |else if (document.layers){$ l9 p4 e3 `1 J! R
if (ns_marquee.left>(actualwidth*(-1)+8))1 P6 v8 C- i, _" L1 A3 m) k
ns_marquee.left-=copyspeed: h) W% [( @! l8 F' H3 n
else
' R/ Q( L- Z; \6 j5 Q1 B$ y" Sns_marquee.left=marqueewidth+8
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+ `+ N; h- l5 g9 I. h6 N}/ V( [  n* U8 C8 {) E9 U9 ]
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if (iedom||document.layers){- H5 f1 \  M- d1 Y+ A
with (document){
" G' a6 V5 O# q$ i( udocument.write('<table border="0" cellspacing="0" cellpadding="0"><td>')
$ }+ \" v$ ~" w6 v5 X  g- ^$ W& zif (iedom){
+ r4 F5 @1 {" Y+ j! hwrite('<div style="position:relative;width:'+marqueewidth+';height:'+marqueeheight+';overflow:hidden">')
% y2 T% }3 f" H" b6 _write('<div style="position:absolute;width:'+marqueewidth+';height:'+marqueeheight+';background-color:'+marqueebgcolor+'" onMouseover="copyspeed=pausespeed" onMouseout="copyspeed=marqueespeed">')
2 a9 I0 {0 W+ l/ gwrite('<div id="iemarquee" style="position:absolute;left:0;top:0"></div>')
# t, Y7 Z8 O( {4 F" Z% z8 H1 Ywrite('</div>')
% w3 O) q' V: B! U}+ V9 |& I, z) Q1 B  n- q
else if (document.layers){
3 l3 Y+ v; ]( q3 `$ f1 F1 v, Wwrite('<ilayer width='+marqueewidth+' height='+marqueeheight+' name="ns_marquee" bgColor='+marqueebgcolor+'>')
2 K9 h2 X- P3 ?7 F4 @- Iwrite('<layer name="ns_marquee2" left=0 top=0 onMouseover="copyspeed=pausespeed" onMouseout="copyspeed=marqueespeed"></layer>')
6 ~5 R. W  B, }( ]- e- `write('</ilayer>')
& U7 U" ~3 |* Y5 F" ]5 M2 J}
) T9 x6 W. ^' Y, sdocument.write('</td></table>')
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2 ?7 g0 K: J$ j5 F) K/ i; d</script>