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  汉南在线网页设计JavaScript脚本

左右循环滚动图片代码
作  者:汉南居士
关键字:JavaScript



<script language="JavaScript1.2">

var sliderwidth=580
//Specify the slider's height
var sliderheight=150

//Specify the slider's slide speed (larger is faster 1-10)
var slidespeed=2
//configure background color:
slidebgcolor="#ffffff"

//Specify the slider's images
var leftrightslide=new Array()
var finalslide=''
leftrightslide[0]='<img src="img/pro1.jpg" border=0 >'
leftrightslide[1]='<img src="img/pro2.jpg" border=0 >'
leftrightslide[2]='<img src="img/pro3.jpg" >'
leftrightslide[3]='<img src="img/pro4.jpg" border=0 >'
leftrightslide[4]='<img src="img/pro5.jpg" border=0 >'
leftrightslide[5]='<img src="img/pro6.jpg" border=0 >'
leftrightslide[6]='<img src="img/pro7.jpg" border=0 >'
leftrightslide[7]='<img src="img/pro8.jpg" border=0 >'
leftrightslide[8]='<img src="img/pro9.jpg" border=0 >'
leftrightslide[9]='<img src="img/pro10.jpg" border=0 >'
leftrightslide[10]='<img src="img/pro11.jpg" border=0 >'
leftrightslide[11]='<img src="img/pro12.jpg" border=0 >'
var copyspeed=slidespeed
leftrightslide='<nobr>'+leftrightslide.join(" ")+'</nobr>'
var iedom=document.all||document.getElementById
if (iedom)
document.write('<span id="temp" style="visibility:hidden;position:absolute;top:-100;left:-3000">'+leftrightslide+'</span>')
var actualwidth=''
var cross_slide, ns_slide

function fillup(){
if (iedom){
cross_slide=document.getElementById? document.getElementById("test2") : document.all.test2
cross_slide2=document.getElementById? document.getElementById("test3") : document.all.test3
cross_slide.innerHTML=cross_slide2.innerHTML=leftrightslide
actualwidth=document.all? cross_slide.offsetWidth : document.getElementById("temp").offsetWidth
cross_slide2.style.left=actualwidth+20
}
else if (document.layers){
ns_slide=document.ns_slidemenu.document.ns_slidemenu2
ns_slide2=document.ns_slidemenu.document.ns_slidemenu3
ns_slide.document.write(leftrightslide)
ns_slide.document.close()
actualwidth=ns_slide.document.width
ns_slide2.left=actualwidth+20
ns_slide2.document.write(leftrightslide)
ns_slide2.document.close()
}
lefttime=setInterval("slideleft()",30)
}
window.onload=fillup

function slideleft(){
if (iedom){
if (parseInt(cross_slide.style.left)>(actualwidth*(-1)+8))
cross_slide.style.left=parseInt(cross_slide.style.left)-copyspeed
else
cross_slide.style.left=parseInt(cross_slide2.style.left)+actualwidth+30

if (parseInt(cross_slide2.style.left)>(actualwidth*(-1)+8))
cross_slide2.style.left=parseInt(cross_slide2.style.left)-copyspeed
else
cross_slide2.style.left=parseInt(cross_slide.style.left)+actualwidth+30

}
else if (document.layers){
if (ns_slide.left>(actualwidth*(-1)+8))
ns_slide.left-=copyspeed
else
ns_slide.left=ns_slide2.left+actualwidth+30

if (ns_slide2.left>(actualwidth*(-1)+8))
ns_slide2.left-=copyspeed
else
ns_slide2.left=ns_slide.left+actualwidth+30
}
}


if (iedom||document.layers){
with (document){
document.write('<table border="0" cellspacing="0" cellpadding="0"><td>')
if (iedom){
write('<div style="position:relative;width:'+sliderwidth+';height:'+sliderheight+';overflow:hidden">')
write('<div style="position:absolute;width:'+sliderwidth+';height:'+sliderheight+';background-color:'+slidebgcolor+'"

onMouseover="copyspeed=0" onMouseout="copyspeed=slidespeed">')
write('<div id="test2" style="position:absolute;left:0;top:0"></div>')
write('<div id="test3" style="position:absolute;left:-1000;top:0"></div>')
write('</div></div>')
}
else if (document.layers){
write('<ilayer width='+sliderwidth+' height='+sliderheight+' name="ns_slidemenu" bgColor='+slidebgcolor+'>')
write('<layer name="ns_slidemenu2" left=0 top=0 onMouseover="copyspeed=0" onMouseout="copyspeed=slidespeed"></layer>')
write('<layer name="ns_slidemenu3" left=0 top=0 onMouseover="copyspeed=0" onMouseout="copyspeed=slidespeed"></layer>')
write('</ilayer>')
}
document.write('</td></table>')
}
}
</script>



来源:互联网
阅读:822
日期:2006-6-11

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