<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<title>网页特效|Linkweb.cn/Js|---字幕滚动效果---非常酷哦(七)</title>
</head>
<body onload=init()>
<SCRIPT language=JavaScript>
function DynLayer(id,nestref,frame) {
if (!is.ns5 && !DynLayer.set && !frame) DynLayerInit()
this.frame = frame || self
if (is.ns) {
if (is.ns4) {
if (!frame) {
if (!nestref) var nestref = DynLayer.nestRefArray[id]
if (!DynLayerTest(id,nestref)) return
this.css = (nestref)? eval("document."+nestref+".document."+id) : document.layers[id]
}
else this.css = (nestref)? eval("frame.document."+nestref+".document."+id) : frame.document.layers[id]
this.elm = this.event = this.css
this.doc = this.css.document
}
else if (is.ns5) {
this.elm = document.getElementById(id)
this.css = this.elm.style
this.doc = document
}
this.x = this.css.left
this.y = this.css.top
this.w = this.css.clip.width
this.h = this.css.clip.height
}
else if (is.ie) {
this.elm = this.event = this.frame.document.all[id]
this.css = this.frame.document.all[id].style
this.doc = document
this.x = this.elm.offsetLeft
this.y = this.elm.offsetTop
this.w = (is.ie4)? this.css.pixelWidth : this.elm.offsetWidth
this.h = (is.ie4)? this.css.pixelHeight : this.elm.offsetHeight
}
this.id = id
this.nestref = nestref
this.obj = id + "DynLayer"
eval(this.obj + "=this")
}
function DynLayerMoveTo(x,y) {
if (x!=null) {
this.x = x
if (is.ns) this.css.left = this.x
else this.css.pixelLeft = this.x
}
if (y!=null) {
this.y = y
if (is.ns) this.css.top = this.y
else this.css.pixelTop = this.y
}
}
function DynLayerMoveBy(x,y) {
this.moveTo(this.x+x,this.y+y)
}
function DynLayerShow() {
this.css.visibility = (is.ns4)? "show" : "visible"
}
function DynLayerHide() {
this.css.visibility = (is.ns4)? "hide" : "hidden"
}
DynLayer.prototype.moveTo = DynLayerMoveTo
DynLayer.prototype.moveBy = DynLayerMoveBy
DynLayer.prototype.show = DynLayerShow
DynLayer.prototype.hide = DynLayerHide
DynLayerTest = new Function('return true')
// DynLayerInit Function
function DynLayerInit(nestref) {
if (!DynLayer.set) DynLayer.set = true
if (is.ns) {
if (nestref) ref = eval('document.'+nestref+'.document')
else {nestref = ''; ref = document;}
for (var i=0; i<ref.layers.length; i++) {
var divname = ref.layers[i].name
DynLayer.nestRefArray[divname] = nestref
var index = divname.indexOf("Div")
if (index > 0) {
eval(divname.substr(0,index)+' = new DynLayer("'+divname+'","'+nestref+'")')
}
if (ref.layers[i].document.layers.length > 0) {
DynLayer.refArray[DynLayer.refArray.length] = (nestref=='')? ref.layers[i].name : nestref+'.document.'+ref.layers[i].name
}
}
if (DynLayer.refArray.i < DynLayer.refArray.length) {
DynLayerInit(DynLayer.refArray[DynLayer.refArray.i++])
}
}
else if (is.ie) {
for (var i=0; i<document.all.tags("DIV").length; i++) {
var divname = document.all.tags("DIV")[i].id
var index = divname.indexOf("Div")
if (index > 0) {
eval(divname.substr(0,index)+' = new DynLayer("'+divname+'")')
}
}
}
return true
}
DynLayer.nestRefArray = new Array()
DynLayer.refArray = new Array()
DynLayer.refArray.i = 0
DynLayer.set = false
// Slide Methods
function DynLayerSlideTo(endx,endy,inc,speed,fn) {
if (endx==null) endx = this.x
if (endy==null) endy = this.y
var distx = endx-this.x
var disty = endy-this.y
this.slideStart(endx,endy,distx,disty,inc,speed,fn)
}
function DynLayerSlideBy(distx,disty,inc,speed,fn) {
var endx = this.x + distx
var endy = this.y + disty
this.slideStart(endx,endy,distx,disty,inc,speed,fn)
}
function DynLayerSlideStart(endx,endy,distx,disty,inc,speed,fn) {
if (this.slideActive) return
if (!inc) inc = 10
if (!speed) speed = 20
var num = Math.sqrt(Math.pow(distx,2) + Math.pow(disty,2))/inc
if (num==0) retur�