文字向左移动

下面框中为脚本显示区

脚本说明：
把如下代码加入<body>区域中:
<script language="JavaScript1.2">
//设置marquee的宽度 (in pixels)
var marqueewidth=400
//设置marquee的高度 (in pixels, 该参数只适用于NS)
var marqueeheight=20
//设置marquee滚动的速度(数值大速度快)
var speed=4
//设置marquee显示内容，使用标准的HTML语法。
var marqueecontents='<strong><big>欢迎光临<a href="http://www.javascript2000.com">网页制作特效</a> javascript的精彩世界 </big></strong></font>'
if (document.all)
document.write('<marquee scrollAmount='+speed+' style="width:'+marqueewidth+'">'+marqueecontents+'</marquee>')
function regenerate(){
window.location.reload()
}
function regenerate2(){
if (document.layers){
setTimeout("window.onresize=regenerate",450)
intializemarquee()
}
}
function intializemarquee(){
document.cmarquee01.document.cmarquee02.document.write('<nobr>'+marqueecontents+'</nobr>')
document.cmarquee01.document.cmarquee02.document.close()
thelength=document.cmarquee01.document.cmarquee02.document.width
scrollit()
}
function scrollit(){
if (document.cmarquee01.document.cmarquee02.left>=thelength*(-1)){
document.cmarquee01.document.cmarquee02.left-=speed
setTimeout("scrollit()",100)
}
else{
document.cmarquee01.document.cmarquee02.left=marqueewidth
scrollit()
}
}
window.onload=regenerate2
</script>
<ilayer width=&{marqueewidth}; height=&{marqueeheight}; name="cmarquee01"> 
<layer name="cmarquee02"></layer>
</ilayer>