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- // Dynamic Layer Object - 19990604
- // Copyright (C) 1999 Dan Steinman
- // Distributed under the terms of the GNU Library General Public License
- // Available at http://www.dansteinman.com/dynduo/
-
- function DynLayer(id,nestref,frame) {
- if (!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
- }
- 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.ns)? "show" : "visible"
- }
- function DynLayerHide() {
- this.css.visibility = (is.ns)? "hide" : "hidden"
- }
- DynLayer.prototype.moveTo = DynLayerMoveTo
- DynLayer.prototype.moveBy = DynLayerMoveBy
- DynLayer.prototype.show = DynLayerShow
- DynLayer.prototype.hide = DynLayerHide
- DynLayerTest = new Function('return true')
-
- 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
-
- 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) return
- var dx = distx/num
- var dy = disty/num
- if (!fn) fn = null
- this.slideActive = true
- this.slide(dx,dy,endx,endy,num,1,speed,fn)
- }
- function DynLayerSlide(dx,dy,endx,endy,num,i,speed,fn) {
- if (!this.slideActive) return
- if (i++ < num) {
- this.moveBy(dx,dy)
- this.onSlide()
- if (this.slideActive) setTimeout(this.obj+".slide("+dx+","+dy+","+endx+","+endy+","+num+","+i+","+speed+",\""+fn+"\")",speed)
- else this.onSlideEnd()
- }
- else {
- this.slideActive = false
- this.moveTo(endx,endy)
- this.onSlide()
- this.onSlideEnd()
- eval(fn)
- }
- }
- DynLayerSlideInit = new Function()
- DynLayer.prototype.slideInit = new Function()
- DynLayer.prototype.slideTo = DynLayerSlideTo
- DynLayer.prototype.slideBy = DynLayerSlideBy
- DynLayer.prototype.slideStart = DynLayerSlideStart
- DynLayer.prototype.slide = DynLayerSlide
- DynLayer.prototype.onSlide = new Function()
- DynLayer.prototype.onSlideEnd = new Function()
-
- function DynLayerClipInit(clipTop,clipRight,clipBottom,clipLeft) {
- if (is.ie) {
- if (arguments.length==4) this.clipTo(clipTop,clipRight,clipBottom,clipLeft)
- else if (is.ie4) this.clipTo(0,this.css.pixelWidth,this.css.pixelHeight,0)
- }
- }
- function DynLayerClipTo(t,r,b,l) {
- if (t==null) t = this.clipValues('t')
- if (r==null) r = this.clipValues('r')
- if (b==null) b = this.clipValues('b')
- if (l==null) l = this.clipValues('l')
- if (is.ns) {
- this.css.clip.top = t
- this.css.clip.right = r
- this.css.clip.bottom = b
- this.css.clip.left = l
- }
- else if (is.ie) this.css.clip = "rect("+t+"px "+r+"px "+b+"px "+l+"px)"
- }
- function DynLayerClipBy(t,r,b,l) {
- this.clipTo(this.clipValues('t')+t,this.clipValues('r')+r,this.clipValues('b')+b,this.clipValues('l')+l)
- }
- function DynLayerClipValues(which) {
- if (is.ie) var clipv = this.css.clip.split("rect(")[1].split(")")[0].split("px")
- if (which=="t") return (is.ns)? this.css.clip.top : Number(clipv[0])
- if (which=="r") return (is.ns)? this.css.clip.right : Number(clipv[1])
- if (which=="b") return (is.ns)? this.css.clip.bottom : Number(clipv[2])
- if (which=="l") return (is.ns)? this.css.clip.left : Number(clipv[3])
- }
- DynLayer.prototype.clipInit = DynLayerClipInit
- DynLayer.prototype.clipTo = DynLayerClipTo
- DynLayer.prototype.clipBy = DynLayerClipBy
- DynLayer.prototype.clipValues = DynLayerClipValues
-
- function BrowserCheck() {
- var os = navigator.appVersion
- if (os.indexOf('Macintosh')>=0) this.mac=true
- else this.mac=false
- var b = navigator.appName
- if (b=="Netscape") this.b = "ns"
- else if (b=="Microsoft Internet Explorer") this.b = "ie"
- else this.b = b
- this.version = navigator.appVersion
- this.v = parseInt(this.version)
- this.ns = (this.b=="ns" && this.v>=4)
- this.ns4 = (this.b=="ns" && this.v==4)
- this.ns5 = (this.b=="ns" && this.v==5)
- this.ie = (this.b=="ie" && this.v>=4)
- this.ie4 = (this.version.indexOf('MSIE 4')>0)
- this.ie5 = (this.version.indexOf('MSIE 5')>0)
- this.min = (this.ns||this.ie)
- }
- is = new BrowserCheck()
-
- function preload(imgObj,imgSrc) {
- if (document.images) {
- eval(imgObj+' = new Image()')
- eval(imgObj+'.src = "'+imgSrc+'"')
- }
- }
-
- function DynLayerImg(imgName,imgObj) {
- this.doc.images[imgName].src = eval(imgObj+'.src')
- }
- DynLayer.prototype.chgImg = DynLayerImg