function MM_findObj(n, d) { //v3.6 (Netscape 6 support)
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if (d.getElementById) x=d.getElementById(n); if (!x) {
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document); } return x;
}

function MM_showHideLayers() { //v3.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v='hide')?'hidden':v; }
    obj.visibility=v; }
}

function MM_preloadImages() { //v3.0
  var d=document; 
  if(d.images){ 
  	if(!d.MM_p) d.MM_p=new Array();
  	var i,j=d.MM_p.length,a=MM_preloadImages.arguments; 
	for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){
		d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];
	}
  }
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; 
  document.MM_sr=new Array; 
  for(i=0;i<(a.length-2);i+=3)
    if ((x=MM_findObj(a[i]))!=null){
		document.MM_sr[j++]=x; 
		if(!x.oSrc) x.oSrc=x.src; 
		x.src=a[i+2];
	}
}
//browsercheck
function checkBrowser(){
	var agt=navigator.userAgent.toLowerCase();
	this.ver=navigator.appVersion;
	this.dom=document.getElementById?1:0;
	this.ns=navigator.appName.indexOf("Netscape")>-1? true:false;
	this.ie5=(this.ver.indexOf("MSIE 5")>-1 && this.dom)?1:0;
	this.ie4=(document.all && !this.dom)?1:0;
	this.ns5=(this.dom && parseInt(this.ver) >= 5) ?1:0;
	this.ns4=(document.layers && !this.dom)?1:0;
	this.bw=(this.ie5 || this.ie4 || this.ns4 || this.ns5)
	this.mac=(agt.indexOf('mac')!=-1)
	return this
}
bw=new checkBrowser()
/**************************************************************************
Variables to set.
***************************************************************************/
var MenuSat = false;
var MenuHandle = false;
var MenuToSet = false;
var MenuToRemove = false;
//Updated: Added left and top variables.
var sLeft=190 //The left placement of the menu
var sTop=311 //The top placement of the menu

//The height of the menu
var sMenuheight=20
var pageWidth=718;
//Width of the arrows
var sArrowwidth=24

//Scroll speed: (in milliseconds, change this one and the next variable to change the speed)
var sScrollspeed=1

//Pixels to scroll per timeout.
var sScrollPx=4

/**************************************************************************
Scrolling functions
***************************************************************************/
var tim=0
var noScroll=true;
function mLeft(){
	if(!noScroll && oMenu.x<sArrowwidth){
		oMenu.moveBy(sScrollPx,0)
		tim=setTimeout("mLeft()",sScrollspeed)
	}
}

function getImageTop(imageElement){
	if(bw.ns4){
		yPos=imageElement.y;
	}else{
		yPos=eval(imageElement).offsetTop;
		tempEl=eval(imageElement).offsetParent;
		while(tempEl!=null){
			yPos+=tempEl.offsetTop;
			tempEl=tempEl.offsetParent;
		}
	}
	if(bw.mac&&bw.ie5){
		yPos+=parseInt(document.body.topMargin);
	}
	return yPos;
};

function mRight(){
	//NS6 har en bug med at længden ikke bliver sat ordentligt.
	if (bw.ns) oMenu.scrollWidth=bw.ns4?oMenu.css.document.width:oMenu.evnt.offsetWidth;
	
	if(!noScroll && oMenu.x>-(oMenu.scrollWidth-(pageWidth))-sArrowwidth-5){
		oMenu.moveBy(-sScrollPx,0)
		tim=setTimeout("mRight()",sScrollspeed)
	}
}
function noMove(){clearTimeout(tim); noScroll=true}
/**************************************************************************
Object part
***************************************************************************/
function makeObj(obj,nest,menu){
	nest=(!nest) ? '':'document.'+nest+'.'										
   	this.css=bw.dom? document.getElementById(obj).style:bw.ie4?document.all[obj].style:bw.ns4?eval(nest+"document.layers." +obj):0;		
	this.evnt=bw.dom? document.getElementById(obj):bw.ie4?document.all[obj]:bw.ns4?eval(nest+"document.layers." +obj):0;		
	this.scrollWidth=bw.ns4?this.css.document.width:this.evnt.offsetWidth;
	this.x=(bw.ns4 || bw.ns5)? this.css.left:this.css.pixelLeft;
	this.y=(bw.ns4 || bw.ns5)? this.css.top:this.css.pixelTop;		
	this.moveBy=b_moveBy; this.moveIt=b_moveIt;	this.showIt=b_showIt;this.clipTo=b_clipTo;
	this.moveYear=b_moveYear;
	return this
}
function gotoYears(whichyear){
    whichy = whichyear
    oMenu.moveYear(whichy)
}
function b_moveYear(x){this.x=whichy; this.css.left=this.x}

function b_moveBy(x,y){this.x=this.x+x; this.y=this.y+y; this.css.left=this.x; this.css.top=this.y}
function b_moveIt(x,y){this.x=x; this.y=y; this.css.left=this.x; this.css.top=this.y}
function b_clipTo(t,r,b,l){
	if(bw.ns4){this.css.clip.top=t; this.css.clip.right=r; this.css.clip.bottom=b; this.css.clip.left=l
	}else this.css.clip="rect("+t+","+r+","+b+","+l+")";
}
function b_showIt(){this.css.visibility="visible"}

function ChangeColor(number){
	if (document.getElementById){
		//document.getElementById('bottommenu'+number).oldcolor=document.getElementById('bottommenu'+number).style.backgroundColor;
		document.getElementById('bottommenu'+number).style.backgroundColor="#EE9C00";
	}
}
function ColorBack(number,color){
	if (document.getElementById){
		document.getElementById('bottommenu'+number).style.backgroundColor=color;
	}
}
function FrontPageInit(){
	//Width af menuen
	
	var p=0;
	var posX=0;
	var imageObj;
	var ekstra=bw.ns4?16:0;
	if (bw.ns) posX  = window.innerWidth-ekstra;
	else if (bw.dom)	posX  = document.body.clientWidth;
	if (posX < 760) posX = 760;
	posX = ((posX - 760)/2);
	if(typeof document.images['tidslinie']!="undefined"&&typeof document.images['tidslinie']!=null){
		imageObj=document.images['tidslinie'];
	};
	if (imageObj) sTop = getImageTop(imageObj);
	
	oBg=new makeObj('divBg')
	oBg.css.visibility = 'visible';
	oMenu=new makeObj('divMenu','divBg',1)
	oMenu.css.visibility = 'visible';
	oArrowRight=new makeObj('divArrowRight','divBg')
	oArrowRight.css.visibility = 'visible';
	oArrowLeft=new makeObj('divArrowLeft','divBg')
	oArrowLeft.css.visibility = 'visible';
	//Placére menuen
	oBg.moveIt(posX+21,sTop) //Main div, placeholder til andre DIV
	oMenu.moveIt(sArrowwidth,2)
	oArrowRight.moveIt(pageWidth-sArrowwidth,0)
	//Fjern scroolbar i IE
	if(bw.dom || bw.ie4){ oBg.css.width=pageWidth; oBg.css.overflow="hidden" }
	//Klipper menuen til
	oBg.clipTo(0,pageWidth,sMenuheight,0);
	//oMenu.scrollWidth=bw.ns4?oMenu.css.document.width:oMenu.evnt.offsetWidth;
	//alert(oMenu.scrollWidth);
	
	if (typeof(init)=='function') init();
}