var layerRef=null;
var layerStyleRef=null;
var styleSwitch=null;
var currTop=20;
var pxSwitch=null;

function init()
{
	if (bw.ns4)
	{
		layerStyleRef="layer.";
		layerRef="document.layers";
		styleSwitch="";
		pxSwitch="";
	}
	else if (bw.mac)
	{
		layerStyleRef="layer.style.";
		layerRef="document.all";
		styleSwitch=".style";
		pxSwitch="px";
	}
	else
	{
		layerStyleRef="layer.style.";
		layerRef="document.all";
		styleSwitch=".style";
		pxSwitch="px";
	}
}

//framecheck
/*
if (parent.frames.length != 5) {
	var myAdress=location.href;
	pos = myAdress.lastIndexOf("/");
	var myUrl = (pos == -1) ? alert("kein / in String !!!!!!") : myAdress.substring(0,pos+1) + "index.html";
	location.href=myUrl;
}*/

//Lib objects  ********************
function lib_obj(obj,nest){
  if(!bw.bw) return lib_message('Old browser')
  nest=(!nest) ? "":'document.'+nest+'.';
  this.evnt=bw.dom? document.getElementById(obj):
    bw.ie4?document.all[obj]:bw.ns4?eval(nest+"document.layers[obj]"):0;	
  /*if(!this.evnt) return lib_message('The layer does not exist ('+obj+')' 
    +'- \nIf your using Netscape please check the nesting of your tags!')*/
   if(!this.evnt) return -1;

  this.css=bw.dom||bw.ie4?this.evnt.style:this.evnt; 
  this.ref=bw.dom||bw.ie4?document:this.css.document;
  this.x=parseInt(this.css.left)||this.css.pixelLeft||this.evnt.offsetLeft||0;
  this.y=parseInt(this.css.top)||this.css.pixelTop||this.evnt.offsetTop||0
  this.w=this.evnt.offsetWidth||this.css.clip.width||
    this.ref.width||this.css.pixelWidth||0; 
  this.h=this.evnt.offsetHeight||this.css.clip.height||
    this.ref.height||this.css.pixelHeight||0
  this.c=0 //Clip values
  if((bw.dom || bw.ie4) && this.css.clip) {
  this.c=this.css.clip; this.c=this.c.slice(5,this.c.length-1); 
  this.c=this.c.split(' ');
  for(var i=0;i<4;i++){this.c[i]=parseInt(this.c[i])}
  }
  this.ct=this.css.clip.top||this.c[0]||0; 
  this.cr=this.css.clip.right||this.c[1]||this.w||0
  this.cb=this.css.clip.bottom||this.c[2]||this.h||0; 
  this.cl=this.css.clip.left||this.c[3]||0
  this.obj = obj + "Object"; eval(this.obj + "=this")
  return this
}

//Showing object ************
lib_obj.prototype.showIt = function(){
	this.css.visibility="visible"
}

//Hiding object **********
lib_obj.prototype.hideIt = function(){
	this.css.visibility="hidden"
	}

//Moving object to **************
lib_obj.prototype.moveIt = function(x,y){
  this.x=x;this.y=y; this.css.left=x;this.css.top=y
}

//Moving object by a specified number of pixels **************
lib_obj.prototype.moveBy = function(x,y){
  this.moveIt(this.x+x,this.y+y);
}

//Scrolling up
function scrollUp(){
	if(this.scrollit){
			this.moveBy(0,5)
			myScollTimeout = setTimeout(this.obj+".scrollUp()",18)
	}
	else{
	clearTimeout(myScollTimeout);
	}
}
//Scrolling down
function scrollDown(){
	if(this.scrollit){
			this.moveBy(0,-5);
			myScollTimeout = setTimeout(this.obj+".scrollDown()",18)	
		}
	else{
	clearTimeout(myScollTimeout);
	}
}

//Scrolling up in Container
function scrollUpCont(){
	if(this.scrollit){
		if(this.y<0){
			this.moveBy(0,6)
			mySrcollTimeout = setTimeout(this.obj+".scrollUpCont()",16)
		}
	}
	else{
	clearTimeout(mySrcollTimeout);
	}
}
//Scrolling down in Container
function scrollDownCont(){
	if(this.scrollit){
		if(this.y>(-this.h+this.contHight)){
			this.moveIt(0,this.y -6);
			myScrollTimeout = setTimeout(this.obj+".scrollDownCont()",16)
		}
	}
	else{
	clearTimeout(myScrollTimeout);
	}
}


//preload
function initImages()
{
	args_images_II = initImages.arguments;

	for (var i = 0; i < args_images_II.length; i++)
	{
		eval (args_images_II[i][0] + '= new Image();')
		eval (args_images_II[i][0] + '.src = "' + args_images_II[i][1] + '";');
	}
}

function showImages()
{
	args_images_SI = showImages.arguments;
	
	if (bw.ns && args_images_SI[2])
		eval('document.' + args_images_SI[2] + '.document.images["' + args_images_SI[0] + '"].src = ' + args_images_SI[1] + '.src;');
	else
	eval ('document.images["' + args_images_SI[0] + '"].src = ' + args_images_SI[1] + '.src;');
}

function windowpop(source, name)
{
	eval('popup = window.open("'+source+'", "'+name+'")');
}

function doPopup(thisDocument,thisWindowName,thisWidth,thisHeight,thisScrollbar) {
    eval ("window.open(\"" + thisDocument + "\",\"" + thisWindowName + "\",\"" + "toolbar=0,location=0,directories=0,status=0,scrollbars=" + thisScrollbar + ",resizable=0,width=" + thisWidth + ",height=" + thisHeight + "\")");
}

//slideshow

var totalLayersInLoop=0;
var layerNumShowing=1;

function showPreviousLayer(total)
{
	totalLayersInLoop=total;
	var layerNumToShow=layerNumShowing-1;
	if (layerNumToShow < 1)
	{
		layerNumToShow=totalLayersInLoop;
	}
	eval("myLayer" + layerNumShowing+ ".hideIt()");
	eval("myLayer" + layerNumToShow+ ".showIt()");
	layerNumShowing=layerNumToShow;
}
	
function showNextLayer(total)
{
	totalLayersInLoop=total;
	var layerNumToShow=layerNumShowing+1;
	if (layerNumToShow > totalLayersInLoop)
	{
		layerNumToShow=1;
	}
	
	eval("myLayer" + layerNumShowing+ ".hideIt()");
	eval("myLayer" + layerNumToShow+ ".showIt()");
	layerNumShowing=layerNumToShow;
}