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];}
}

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_findObj(n, d) { //v4.0
 	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(!(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);
 	if(!x && document.getElementById) x=document.getElementById(n); return x;
}

function MM_showHideLayers() { //v3.0
	//if (layersLoaded == 0){ return false() }
		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; 
	  	
			//Set the display of the Div to none if its hidden so that the menu shrinks in size
			if(v=='hidden')
			{
				obj.display='none';
			}
			else
			{
				obj.display='';
			}
	  	}
	  	
	  	
}

// Returnerar true om det efterfrågade objektet finns och är synligt, annars false.
function getVisibility(o) {
		var v,obj;
		v = false;
		if ((obj=MM_findObj(o))!=null) { 
	  	if (obj.style) { 
			obj=obj.style;
		}
		if ((obj.visibility == 'show') || (obj.visibility == 'visible')){
			v = true;
		}
	}
 	return v;
}

function handleMenus(parents) {
	//split open the Parets string and display all the menus
	//closeMenus(allparents.value)
	var parentsarr=parents.split(",");
	for (i=0; i<parentsarr.length; i++)
	{
		MM_showHideLayers(parentsarr[i],'','show');
	}
}

function closeMenus(parents) {
	//För att den öppna menyn inte ska försvinna
	//split open the Parets string and display all the menus
	var parentsarr=parents.split(",");
	
	for (i=0; i<parentsarr.length; i++)
	{
			MM_showHideLayers(parentsarr[i],'','hide');
	}
}

// Tidsstyrt bildspel
var timerID = null;
var timeValue;
var timerRunning = false;
var timeInterval;

var b = 0;
var BildArrayLength = 4;
var Bilder_1 = "1,4,7,10";
var Bilder_2 = "2,5,8,11";
var Bilder_3 = "3,6,9,12";
BildArray_1 = Bilder_1.split(",")
BildArray_2 = Bilder_2.split(",");
BildArray_3 = Bilder_3.split(",");

function tidstyrtBildspel(){
	var antalSekunder = 5;
	timeInterval = antalSekunder*1000;
	startclock();
}

function stopclock(){
	if(timerRunning)
		clearTimeout(timerID);
	timerRunning = false;
}

function startclock(){
	stopclock();
	swapper();
}

function swapper(){
	b++;
	// Kollar om sista bilden har visats. Går då tillbaka till startbilden.
	if (BildArrayLength == b){
		b = 0;
	}
	//Math.random()
	//Math.round()
	
	//alert(Math.round((Math.random()*10)))
	Bild_1 = BildArray_1[b];
	Bild_2 = BildArray_2[b];
	Bild_3 = BildArray_3[b];
	tmpObj_1=MM_findObj("startBild_1");
	tmpObj_2=MM_findObj("startBild_2");
	tmpObj_3=MM_findObj("startBild_3");
	tmpObj_1.src = "/bilder/invik/startbilder/"+Bild_1+".jpg";
	tmpObj_2.src = "/bilder/invik/startbilder/"+Bild_2+".jpg";
	tmpObj_3.src = "/bilder/invik/startbilder/"+Bild_3+".jpg";
	timerID = setTimeout("swapper()",timeInterval);
	timerRunning = true;
}

activateMenu = function(nav) {
    /* currentStyle restricts the Javascript to IE only */
	if (document.all && document.getElementById(nav).currentStyle) {  
        var navroot = document.getElementById(nav);
        
        /* Get all the list items within the menu */
        var lis=navroot.getElementsByTagName("LI");  
        for (i=0; i<lis.length; i++) {
        
           /* If the LI has another menu level */
            if(lis[i].lastChild.tagName=="UL"){
            
                /* assign the function to the LI */
             	lis[i].onmouseover=function() {	
                
                   /* display the inner menu */
                   this.lastChild.style.display="block";
                }
                lis[i].onmouseout=function() {                       
                   this.lastChild.style.display="none";
                }
            }
        }
    }
}
//window.onload= function(){
    /* pass the function the id of the top level UL */
    /* remove one, when only using one menu */
   // activateMenu('nav'); 
   // activateMenu('vertnav'); 
//}