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图片水平淡入淡出切换

<html>

<head>

<title>图片水平淡入淡出切换</title>

</head>

<body>

<table align=center cellpadding=0 cellspacing=0 border=0>

  <tr>

    <td  align="center" valign="middle">

<SCRIPT LANGUAGE="javascript">

var trans_width='150px'

var trans_height='90px'

var pause=3000

var degree=10

var slideshowcontent=new Array()

slideshowcontent[0]=["tool/ExamplePic/example5.jpg"]

slideshowcontent[1]=["tool/ExamplePic/example6.jpg"]

slideshowcontent[2]=["tool/ExamplePic/example7.jpg"]

slideshowcontent[3]=["tool/ExamplePic/example8.jpg"]

slideshowcontent[4]=["tool/ExamplePic/example9.jpg"]

var bgcolor='white'

var imageholder=new Array()

for (i=0;i<slideshowcontent.length;i++){

imageholder[i]=new Image()

imageholder[i].src=slideshowcontent[i][0]

}

var ie4=document.all

var dom=document.getElementById&&navigator.userAgent.indexOf("Opera")==-1

if (ie4||dom)

document.write('<div style="position:relative;width:'+trans_width+';height:'+trans_height+';overflow:hidden"><div id="canvas0" style="position:absolute;background-color:'+bgcolor

+';width:'+trans_width+';height:'+trans_height+';left:-'+trans_width+';filter:alpha(opacity=20);-moz-opacity:0.2;"></div><div id="canvas1" style="position:absolute;background-color:'+bgcolor

+';width:'+trans_width+';height:'+trans_height+';left:-'+trans_width+';filter:alpha(opacity=20);-moz-opacity:0.2;"></div></div>')

else if (document.layers){

document.write('<ilayer id=tickernsmain visibility=hide width='+trans_width+' height='+trans_height+' bgColor='+bgcolor+'><layer id=tickernssub width='+trans_width+' height='+trans_height+' left=0 

top=0>'+'<img src="'+slideshowcontent[0][0]+'" onload="return imgzoom(this,600);" onclick="javascript:window.open(this.src);" style="cursor:pointer;"/></layer></ilayer>')

}

var curpos=trans_width*(-1)

var curcanvas="canvas0"

var curindex=0

var nextindex=1

function getslidehtml(theslide){

var slidehtml=""

slidehtml+='<img src="'+theslide[0]+'" border="0" onload="return imgzoom(this,600);" onclick="javascript:window.open(this.src);" style="cursor:pointer;"/>'

return slidehtml

}

function moveslide(){

if (curpos<0){

curpos=Math.min(curpos+degree,0)

tempobj.style.left=curpos+"px"

}

else{

clearInterval(dropslide)

if (crossobj.filters)

crossobj.filters.alpha.opacity=100

else if (crossobj.style.MozOpacity)

crossobj.style.MozOpacity=1

nextcanvas=(curcanvas=="canvas0")? "canvas0" : "canvas1"

tempobj=ie4? eval("document.all."+nextcanvas) : document.getElementById(nextcanvas)

tempobj.innerHTML=getslidehtml(slideshowcontent[curindex])

nextindex=(nextindex<slideshowcontent.length-1)? nextindex+1 : 0

setTimeout("rotateslide()",pause)

}

}

function rotateslide(){

if (ie4||dom){

resetit(curcanvas)

crossobj=tempobj=ie4? eval("document.all."+curcanvas) : document.getElementById(curcanvas)

crossobj.style.zIndex++

if (crossobj.filters)

document.all.canvas0.filters.alpha.opacity=document.all.canvas1.filters.alpha.opacity=20

else if (crossobj.style.MozOpacity)

document.getElementById("canvas0").style.MozOpacity=document.getElementById("canvas1").style.MozOpacity=0.2

var temp='setInterval("moveslide()",50)'

dropslide=eval(temp)

curcanvas=(curcanvas=="canvas0")? "canvas1" : "canvas0"

}

else if (document.layers){

crossobj.document.write(getslidehtml(slideshowcontent[curindex]))

crossobj.document.close()

}

curindex=(curindex<slideshowcontent.length-1)? curindex+1 : 0

}

function jumptoslide(which){

curindex=which

rotateslide()

}

function resetit(what){

curpos=parseInt(trans_width)*(-1)

var crossobj=ie4? eval("document.all."+what) : document.getElementById(what)

crossobj.style.left=curpos+"px"

}

function startit(){

crossobj=ie4? eval("document.all."+curcanvas) : dom? document.getElementById(curcanvas) : document.tickernsmain.document.tickernssub

if (ie4||dom){

crossobj.innerHTML=getslidehtml(slideshowcontent[curindex])

rotateslide()

}

else{

document.tickernsmain.visibility='show'

curindex++

setInterval("rotateslide()",pause)

}

}

if (window.addEventListener)

window.addEventListener("load", startit, false)

else if (window.attachEvent)

window.attachEvent("onload", startit)

else if (ie4||dom||document.layers)

window.onload=startit

</SCRIPT>

    </td>

  </tr>

</table>

</body>

</html>