window.onload = function() {
	//var lists = $$('div.submenu li');
	//for (var i=0; i < lists.length; i++) {
		//inFocus(lists[i], i, lists.length);
	//}
	var fb = document.getElementById('fbFrame');
	var frame = parent.document.getElementById('frame');
	var iframe_content = $(frame.contentWindow.parent.document['body']);
	inFocus(fb, frame, iframe_content);
};
	
	var ids = new Array('m1', 'm2', 'm3', 'm4', 'mi');
	
	//metod som initieras efter laddning
	function inFocus(fb, frame, iframe_content){
		//gamla var (list, pos, listLength)
		var frameHeight = frame.style.height;
		fb.onmouseover = function(){
			fb.style.height = '395px';
        	var cy = iframe_content.getDimensions().height;
        	frame.style.height = cy + "px";
		}
		fb.onmouseout = function(){
			fb.style.height = '240px';
			frame.style.height = frameHeight;
		}
		
		//metod som körs om man har tryckt på ett listelement
		/*list.onclick = function(){
			var lists = $$('div.submenu li');

		for(var i = 0; i < listLength; i++){
			var lis = lists[i];
			lis.firstChild.style.borderBottom= 'none';
		}
		var footer_li = $$('div#footer li');
		var fo_li = footer_li[0];
		fo_li.firstChild.style.borderBottom = 'none';
		
		list.firstChild.style.borderBottom= 'solid';
		return false;
	}*/
	}
	
	//första metoden som körs när man har tryckt i menyn/undermenyn
	function switchid(id){
		hideallids();
		showdiv(id);
		refreshiframe(id);
	}
	
	//uppdaterar innehållet i iframe när man har tryckt på en flik
	function refreshiframe(id){
		if (id == 'mi'){
			document.getElementById('frame').src = "inIndex.html";
		}
		else if (id == 'm1'){
			document.getElementById('frame').src = "deIndex.html";
		}
		else if (id == 'm2'){
			document.getElementById('frame').src = "liIndex.html";
		} 
		else if (id == 'm3') {
			document.getElementById('frame').src = "utIndex.html";
		}
		else {
			document.getElementById('frame').src = "prIndex.html";
		}
	}
	
	//gömmer alla div
	function hideallids(){
		for (var i=0;i<ids.length;i++){
			hidediv(ids[i]);
		}		  
	}
	
	//visar aktivt block
	function showdiv(id){
		if (document.getElementById) {
			document.getElementById(id).style.display = 'block';
		}
		else {
			if (document.layers) {
				document.id.display = 'block';
			}
			else {
				document.all.id.display = 'block';	
			}
		}
		
		//tar bort understrecken i undermenyn
		var list = $$('div.submenu li');
		for ( var i = 0; i < list.length; i++){
			var lis = list[i];
			lis.firstChild.style.borderBottom= 'none';	
		}
		//tar bort understrecket i footern
		document.getElementById('li_footer').firstChild.style.borderBottom = 'none';
	}
	
	//gömmer blocken som är inaktiva
	function hidediv(id){
		if (document.getElementById) {
			document.getElementById(id).style.display = 'none';
		}
		else {
			if (document.layers) {
				document.id.display = 'none';
			}
			else {
				document.all.id.display = 'none';	
			}
		}
	}
	
	//byter innehåll i iframe
	function changeContent(web, id){
	document.getElementById('frame').src = web;
	resize_iframe();
	
			var lists = $$('div.submenu li');

		for(var i = 0; i < lists.length; i++){
			var lis = lists[i];
			lis.firstChild.style.borderBottom= 'none';
		}
		var footer_li = $$('div#footer li');
		var fo_li = footer_li[0];
		fo_li.firstChild.style.borderBottom = 'none';
		
		document.getElementById(id).firstChild.style.borderBottom= 'solid';
		return false;
	}
	
	//ändrar storlek på iframe
	function resize_iframe(){ 
	document.getElementById("frame").height=null; 
	document.getElementById("frame").height=window.frames["frame"].document.body.scrollHeight + 15;
	}
	
	function loadImages(){
	imageObj = new Image();
	
	images = new Array();
     images[0]="images/menu1.png"
     images[1]="images/menu2.png"
     images[2]="images/menu3.png"
     images[3]="images/menu4.png"

     // start preloading
	 var i = 0;
     for(i=0; i<=3; i++) 
     {
          imageObj.src=images[i];
     }
	 
	}
	
	function kontakt(){
		//hideallids();
		switchid('mi');
		document.getElementById('li_footer').firstChild.style.borderBottom = 'solid';
	}