ÿþ// Sjekk browsere

NS4 = (document.layers);

NS6 =  ((navigator.appName == "Netscape") && (parseInt(navigator.appVersion) == 5))

IE4 = (document.all);

MAC45 = (navigator.appVersion.indexOf("MSIE 4.5") != -1)

ver4 = (NS4 || IE4);   

isMac = (navigator.appVersion.indexOf("Mac") != -1);



mnu_Height=-8;				//Avstand mellom menystøttebilde og tabellstart

mnu_Offset=258;				//Setter meny for mac brukere

var overmenu = false;

var openmenu = null;

var overcheck = null;



 

function FindLeft(img) 

// Finner bilde som sier venstre side til menyen

{	xPos = img.offsetLeft;

	tempEl = img.offsetParent;

	while (tempEl != null) 

	{

		xPos += tempEl.offsetLeft;

		tempEl = tempEl.offsetParent;

	}

	return xPos-2;

}



function FindTop(img)

// Finner topp posisjonen for menyen

{	yPos = img.offsetTop-3;

	tempEl = img.offsetParent;

	while (tempEl != null) 

	{	yPos += tempEl.offsetTop;

		tempEl = tempEl.offsetParent;

	}

    if (MAC45) yPos=mnu_Offset;

	return yPos;

}



function findloc (imgname)

// Finner posisjon på imgname

{	var holdingImage = document.images[imgname];

	var canvasLeft = (NS4 && !NS6) ? holdingImage.x : FindLeft(holdingImage);

	var canvasTop = (NS4 && !NS6) ? holdingImage.y : FindTop(holdingImage);

	var canvasWidth = holdingImage.width;

	var canvasHeight = holdingImage.height;

	return ([canvasLeft,canvasTop]);

}



function showMenu(imgname) 

// Viser meny

{

	if (NS6) 

		{

		menu=document.getElementById(imgname+"layer");

		menuparent=document.getElementById(imgname+"parent");

		}

	else if (NS4)

		{

		menu=eval("document.layers."+imgname+"layer");

		menuparent=eval("document.layers."+imgname+"parent");

		}

	else

		{

		menu=eval(imgname+"layer");

		menuparent=eval(imgname+"parent");

		}



	if (NS4) 

		{

			menu.visibility = "show";

		}

	else 

		{

			menu.style.visibility = "visible";

		}

	//menuparent.style.backgroundColor = menu.style.backgroundColor;

	//preserve any other class than menubackground2

	menuparent.className = "Menubackground2 " + menuparent.className.substring(menuparent.className.indexOf(" "),menuparent.className.length)

	menuparent.style.color=menu.style.color;

	openmenu=imgname;

}



function hideMenu() 

// Skjuler meny

{	if (openmenu != null)

	{	if (NS6) 

		{

			menu=document.getElementById(openmenu+"layer");

			menuparent=document.getElementById(openmenu+"parent");

		}

        else if (NS4)

        {

			menu=eval("document.layers."+openmenu+"layer");

			menuparent=eval("document.layers."+openmenu+"parent");

		}

        else

        {

			menu=eval(openmenu+"layer");

			menuparent=eval(openmenu+"parent");

		}

        

        

        if (NS4)

			{

				menu.visibility = "hide";

			}

        else 

			{

			menu.style.visibility = "hidden";

			}

		//menuparent.className = tblMain.style.backgroundColor.toString();

		

		//menuparent.className = "Menubackground " + menuparent.className.substring(menuparent.className.indexOf(" "),menuparent.className.length)

		//menuparent.style.color="";	//class will override



	}

}



function popup (imgname)

// Pop Up Menu

{

    if (NS6) 

            menu=document.getElementById(imgname+"layer")

    else if (NS4)

            menu=eval("document.layers."+imgname+"layer")

    else

            menu=eval(imgname+"layer");

	if (NS4)

	{

			menu.top = findloc(imgname)[1]-1-mnu_Height;

			menu.left = findloc(imgname)[0];

	}

	else if (NS6)

	{

			menu.style.top = findloc(imgname)[1]-1-mnu_Height;

			menu.style.left = findloc(imgname)[0];

	}

	else

	{

			menu.style.pixelTop = findloc(imgname)[1]-1-mnu_Height;

			menu.style.pixelLeft = findloc(imgname)[0];

	}

	showMenu(imgname);

}



function checkmenu (openmenu,check)

// Stenger evt menyer

{	if ((overmenu == 0) && (check == overcheck))

	{	

		if (NS6) 

		{

			menu=document.getElementById(openmenu+"layer");

			menuparent=document.getElementById(openmenu+"parent");

		}

        else if (NS4)

        {

			menu=eval("document.layers."+openmenu+"layer");

			menuparent=eval("document.layers."+openmenu+"parent");

		}

        else

        {

			menu=eval(openmenu+"layer");

			menuparent=eval(openmenu+"parent");

		}

        

        if (NS4)

			{

				menu.visibility = "hide";

			}

        else 

			{

			menu.style.visibility = "hidden";

			}

		//menuparent.style.backgroundColor = tblMain.style.backgroundColor.toString();	

		menuparent.className = "Menubackground " + menuparent.className.substring(menuparent.className.indexOf(" "),menuparent.className.length)

		menuparent.style.color="";

		

	}

}



function menutimeout (openmenu)

// Menyen hides etter 1/4 sekund (250 millisekunder)

{	if (IE4)

	{	overcheck=overcheck+1;

		setTimeout("checkmenu(openmenu,"+overcheck+")",250);

	}

}