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imgfadezoom2.js：源码内容

							
var imgpreload=new Array()
for (i=0;i<=zoomimages.length;i++) {
	imgpreload[i]=new Image()
	imgpreload[i].src=zoomimages[i]
}
var zoomfactor=8
var positionleft=0
var positiontop=0
var timer
var marginright=0
var i_fadestrength=5
var i_images=0
var step=1
var content
var imageboxwidthriginal=0
var imageboxwidth=0
var imageboxheight=0
var bodywidth=0
var bodyheight=0
function setimage() {
	document.all.imagebox.style.visibility="hidden"
	bodywidth=document.body.clientWidth
	bodyheight=document.body.clientHeight
	if (i_images>=zoomimages.length) {i_images=0}
	content="<img name='newpic' src='"+zoomimages[i_images]+"'>"
	imagebox.innerHTML=content
	imageboxwidthoriginal=document.newpic.width
	content="<img name='newpic' src='"+zoomimages[i_images]+"' width=1>"
	imagebox.innerHTML=content
	document.all.imagebox.style.visibility="visible"
	imagebox.filters.alpha.opacity=100
	zoomin()
}
function zoomin() {
	if (imageboxwidth<(imageboxwidthoriginal/1.3)) {
		imageboxwidth+=zoomfactor
		content="<img name='newpic' src='"+zoomimages[i_images]+"' width='"+imageboxwidth+"'>"
		imagebox.innerHTML=content
		imageboxwidth=document.newpic.width
		imageboxheight=document.newpic.height
		document.all.imagebox.style.posLeft=bodywidth/2-imageboxwidth/2
		document.all.imagebox.style.posTop=bodyheight/2-imageboxheight/2
		document.all.imagebox.style.overflowX="hidden"
		document.all.imagebox.style.visibility="visible"
		step+=1.1
		imageboxwidth+=step
		timer=setTimeout("zoomin()",50)
}
else {
	clearTimeout(timer)
	content="<img name='newpic' src='"+zoomimages[i_images]+"' width='"+imageboxwidthoriginal+"'>"
	imagebox.innerHTML=content
	imageboxwidth=document.newpic.width
	imageboxheight=document.newpic.height
	document.all.imagebox.style.posLeft=bodywidth/2-imageboxwidth/2
	document.all.imagebox.style.posTop=bodyheight/2-imageboxheight/2
	document.all.imagebox.style.overflowX="hidden"
	document.all.imagebox.style.visibility="visible"
	i_fadestrength=0;
	timer=setTimeout("zoomout()",2000)
	}
}
function zoomout() {
if (i_fadestrength<120) {
	imageboxwidth+=zoomfactor
	content="<img name='newpic' src='"+zoomimages[i_images]+"' width='"+imageboxwidth+"'>"
	imagebox.innerHTML=content
	imageboxwidth=document.newpic.width
	imageboxheight=document.newpic.height
	imagebox.filters.alpha.opacity=Math.floor(100-i_fadestrength)
	document.all.imagebox.style.posLeft=bodywidth/2-imageboxwidth/2
	document.all.imagebox.style.posTop=bodyheight/2-imageboxheight/2
	document.all.imagebox.style.overflowX="hidden"
	document.all.imagebox.style.visibility="visible"
	step+=1.5
	i_fadestrength+=step
	timer=setTimeout("zoomout()",50)
}
else {
	clearTimeout(timer)
	i_fadestrength=0;
	step=1;
	i_images++
	imageboxwidth=0
	setimage()
	}
}
if (document.all) {
	document.write("<DIV id='imagebox' style='position:absolute;filter:alpha(opacity=0);'></DIV>")
}
if (document.all) {
	onload=setimage
}

						