function DynLayer(id,nestref,frame) {
	if (!is.nav5 && !DynLayer.set && !frame) DynLayerInit()
	this.frame = frame || self
	if (is.nav) {
		if (is.nav4) {
			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.gecko) {
			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
		if ((navigator.userAgent.indexOf("Mac") > -1) && is.ie5) {
			this.x += 10;
			this.x += 8;
		}

		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.nav) this.css.left = this.x
		else this.css.pixelLeft = this.x
	}
	if (y!=null) {
		this.y = y
		if (is.nav) 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.nav4)? "show" : "visible"
}
function DynLayerHide() {
	this.css.visibility = (is.nav4)? "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.nav4) {
		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 {
		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) 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)
	}
}
function DynLayerSlideInit() {}
DynLayer.prototype.slideInit = DynLayerSlideInit
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()

// Clip Methods
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.nav) {
		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.nav)? this.css.clip.top : Number(clipv[0])
	if (which=="r") return (is.nav)? this.css.clip.right : Number(clipv[1])
	if (which=="b") return (is.nav)? this.css.clip.bottom : Number(clipv[2])
	if (which=="l") return (is.nav)? this.css.clip.left : Number(clipv[3])
}
DynLayer.prototype.clipInit = DynLayerClipInit
DynLayer.prototype.clipTo = DynLayerClipTo
DynLayer.prototype.clipBy = DynLayerClipBy
DynLayer.prototype.clipValues = DynLayerClipValues

// Write Method
function DynLayerWrite(html) {
	if (is.nav) {
		this.doc.open()
		this.doc.write(html)
		this.doc.close()
	}
	else if (is.ie) {
		this.event.innerHTML = html
	}
}
DynLayer.prototype.write = DynLayerWrite


// BrowserCheck Object
function BrowserCheck() {
    // convert all characters to lowercase to simplify testing
    var agt=navigator.userAgent.toLowerCase()

    // --- BROWSER VERSION ---
    this.major = stringToNumber(navigator.appVersion)
    this.minor = parseFloat(navigator.appVersion)

    this.nav  = ((agt.indexOf('mozilla')!=-1) && ((agt.indexOf('spoofer')==-1)
                && (agt.indexOf('compatible') == -1)))
    this.nav2 = (this.nav && (this.major == 2))
    this.nav3 = (this.nav && (this.major == 3))
    this.nav4 = (this.nav && (this.major == 4))
	
	//Netscape 6
	this.nav5 =	(this.nav && (this.major == 5))
	this.nav6 = (this.nav && (this.major == 5))
	this.gecko = (this.nav && (this.major >= 5))

    this.ie   = (agt.indexOf("msie") != -1)
    this.ie3  = (this.ie && (this.major == 2))
    this.ie4  = (this.ie && (this.major == 3))
    this.ie5  = (this.ie && (this.major == 4))

    this.opera = (agt.indexOf("opera") != -1)
     
    this.nav4up = this.nav && (this.major >= 4)
    this.ie4up  = this.ie  && (this.major >= 4)

	this.version = navigator.appVersion
	this.v = parseInt(this.version)

	this.min = (this.nav||this.ie)
}
var is = new BrowserCheck()

// CSS Function
function css(id,left,top,width,height,color,vis,z,other) {
	if (id=="START") return '<STYLE TYPE="text/css">\n'
	else if (id=="END") return '</STYLE>'
	var str = (left!=null && top!=null)? '#'+id+' {position:absolute; left:'+left+'px; top:'+top+'px;' : '#'+id+' {position:relative;'
	if (arguments.length>=4 && width!=null) str += ' width:'+width+'px;'
	if (arguments.length>=5 && height!=null) {
		str += ' height:'+height+'px;'
		if (arguments.length<9 || other.indexOf('clip')==-1) str += ' clip:rect(0px '+width+'px '+height+'px 0px);'
	}
	if (arguments.length>=6 && color!=null) str += (is.nav)? ' layer-background-color:'+color+';' : ' background-color:'+color+';'
	if (arguments.length>=7 && vis!=null) str += ' visibility:'+vis+';'
	if (arguments.length>=8 && z!=null) str += ' z-index:'+z+';'
	if (arguments.length==9 && other!=null) str += ' '+other
	str += '}\n'
	return str
}
function writeCSS(str,showAlert) {
	str = css('START')+str+css('END')
	document.write(str)
	if (showAlert) alert(str)
}


// Find the x, y distance user has scrolled from the physical
// top, left of the document
function getOffset () {
	off = new Object()
	off.x = 0
	off.y = 0
	if (window.pageYOffset) { // for IE
		off.y = window.pageYOffset 
		off.x = window.pageXOffset
	}
	else if (document.body) { // for NS
		off.y = document.body.scrollTop 
		off.x = document.body.scrollLeft
	}
	return off
}

// keep track where the scroll offset currently is
// and keep the navigation onscreen
var myScrollY = 0
function checkScroll() {
	currScroll = getOffset().y;
	if (Math.abs(currScroll - myScrollY) > 300) {
		myScrollY = currScroll;
		inactiveMenu.slideTo(inactiveMenu.x,myScrollY + menuDefaultY,20,30);
		activeMenu.slideTo(activeMenu.x,myScrollY + menuDefaultY,20,30);
		activeStar.slideTo(activeStar.x,myScrollY + menuDefaultY + starVertOffset,20,30);
		inactiveStar.slideTo(inactiveStar.x,myScrollY + menuDefaultY + starVertOffset,20,30);
	}
	setTimeout('checkScroll()', 2500)
}

/* returns 0 if there is NaN returned, or number is part of a string, like 100px... */
function stringToNumber(s)
{
        return parseInt(('0' + s), 10)
}

dynLayerIncludeLoaded = true;