/* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
»»»  PspClasses
»»»  Copyright 2002 Pedro Pereira
»»»  http://www.pspinteractive.com.br/
»»»  Versão 1.0 - 30/07/2002
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */

Browser = function() {
	b = navigator.appName
	v = navigator.appVersion
	u = navigator.userAgent
	if (b == 'Netscape') { this.b = 'ns' } else if ( b == 'Microsoft Internet Explorer') { this.b='ie' } else { this.b = b }
	this.v = parseInt(v)
	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.ns6 = (this.b=='ns'&&this.v==5)
	this.ie = (this.b=='ie'&&this.v>=4)
	this.ie4 = (u.indexOf('MSIE 4')>0)
	this.ie5 = (u.indexOf('MSIE 5.0')>0)
	this.ie55 = (u.indexOf('MSIE 5.5')>0)
	this.ie6 = (u.indexOf('MSIE 6.0')>0)
	if (this.ie5) this.v = 5
	if (this.ie55) this.v = 5.5
	if (this.ie6) this.v = 6
	this.min = (this.ns||this.ie)
	this.dom = (this.v >= 5)
	this.win = (u.indexOf('Win')>0)
	this.mac = (u.indexOf('Mac')>0)
}; is = new Browser()

/*  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
||| DynLayer
||| Copyright 1999 Dan Steinman
||| http://www.dansteinman.com/dynapi/
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */

function DynLayer(id,nestref,frame) {
	if (!DynLayer.set && !frame) DynLayerInit()
	this.frame = frame || self
	if (is.ns4) {
		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
		}
		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 || is.ns5) {
    if (is.ie)
		this.elm = this.event = this.frame.document.all[id]
    else 
		this.elm = this.event = this.frame.document.getElementById(id)
		this.css = this.elm.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.ns4) this.css.left = this.x
		else if (is.ie) this.css.pixelLeft = this.x
		else if (is.ns5) this.css.left = Math.floor(this.x) + 'px'
	}
	if (y!=null) {
		this.y = y
		if (is.ns4) this.css.top = this.y
		else if (is.ie) this.css.pixelTop = this.y
		else if (is.ns5) this.css.top = Math.floor(this.y) + 'px'
	}
}
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.ns4) {
		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+'")')
			}
		}
	} else if (is.ns5) {
    var nodeList = document.getElementsByTagName('div');
		for (var i=0; i<nodeList.length; i++) {
			var divname = nodeList[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

// Clip Methods
function DynLayerClipInit(clipTop,clipRight,clipBottom,clipLeft) {
	if (is.ie||is.ns5) {
		if (arguments.length==4) this.clipTo(clipTop,clipRight,clipBottom,clipLeft)
		else if (is.ie4) this.clipTo(0,this.css.pixelWidth,this.css.pixelHeight,0)
		else if (is.ns5) this.clipTo(0,this.elm.offsetWidth,this.elm.offsetHeight,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.ns4) {
		this.css.clip.top = t
		this.css.clip.right = r
		this.css.clip.bottom = b
		this.css.clip.left = l
	} else if (is.ie||is.ns5) 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||is.ns5) var clipv = this.css.clip.split("rect(")[1].split(")")[0].split("px")
	if (which=="t") return (is.ns4)? this.css.clip.top : Number(clipv[0])
	if (which=="r") return (is.ns4)? this.css.clip.right : Number(clipv[1])
	if (which=="b") return (is.ns4)? this.css.clip.bottom : Number(clipv[2])
	if (which=="l") return (is.ns4)? this.css.clip.left : Number(clipv[3])
}
DynLayer.prototype.clipInit = DynLayerClipInit
DynLayer.prototype.clipTo = DynLayerClipTo
DynLayer.prototype.clipBy = DynLayerClipBy
DynLayer.prototype.clipValues = DynLayerClipValues

// 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()

// Write Method
function DynLayerWrite(html) {
	if (is.ns4) { this.doc.open(); this.doc.write(html); this.doc.close(); }
	else if (is.ie||is.ns5) { this.event.innerHTML = html }
}
DynLayer.prototype.write = DynLayerWrite

// CSS Function
function css(id,left,top,width,height,vis,z,color,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); overflow: hidden;'
	}
	if (arguments.length>=6 && vis!=null) str += ' visibility:'+vis+';'
	if (arguments.length>=7 && z!=null) str += ' z-index:'+z+';'
	if (arguments.length>=8 && color!=null) str += (is.ns4) ? ' layer-background-color:'+color+';' : ' background-color:'+color+';'
	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)
}

function BUG_ns4_reloadOnResize(){
	if(!document.pgW){ document.pgW = innerWidth; document.pgH = innerHeight;onresize=BUG_ns4_reloadOnResize}
	else if(innerWidth!=document.pgW||innerHeight!=document.pgH)location.reload()
}
if (document.layers) BUG_ns4_reloadOnResize()