//cache menu images
//Images used in Opskrifter
var img1Off = new Image();
img1Off.src = 'gfx/menuSaeson.gif';

var img2Off = new Image();
img2Off.src = 'gfx/menuSundOgSlank.gif';

var img3Off = new Image();
img3Off.src = 'gfx/menuForBoern.gif';

var img4Off = new Image();
img4Off.src = 'gfx/menuKlDanskeRetter.gif';

var img5Off = new Image();
img5Off.src = 'gfx/menuAnledning.gif';

var img6Off = new Image();
img6Off.src = 'gfx/menuMaaltidstyper.gif';

var img7Off = new Image();
img7Off.src = 'gfx/menuKokkeskole.gif';

var img8Off = new Image();
img8Off.src = 'gfx/menuTilberedningstid.gif';

var img9Off = new Image();
img9Off.src = 'gfx/menuUdskaeringer.gif';


var img1On = new Image();
img1On.src = 'gfx/menuSaeson_On.gif';

var img2On = new Image();
img2On.src = 'gfx/menuSundOgSlank_On.gif';

var img3On = new Image();
img3On.src = 'gfx/menuForBoern_On.gif';

var img4On = new Image();
img4On.src = 'gfx/menuKlDanskeRetter_On.gif';

var img5On = new Image();
img5On.src = 'gfx/menuAnledning_On.gif';

var img6On = new Image();
img6On.src = 'gfx/menuMaaltidstyper_On.gif';

var img7On = new Image();
img7On.src = 'gfx/menuKokkeskole_On.gif';

var img8On = new Image();
img8On.src = 'gfx/menuTilberedningstid_On.gif';

var img9On = new Image();
img9On.src = 'gfx/menuUdskaeringer_On.gif';

//Images used in Ernæring

var img10Off = new Image();
img10Off.src = 'gfx/menu1564.gif';
var img10On = new Image();
img10On.src = 'gfx/menu1564_On.gif';

var img11Off = new Image();
img11Off.src = 'gfx/menu1573.gif';
var img11On = new Image();
img11On.src = 'gfx/menu1573_On.gif';

var img12Off = new Image();
img12Off.src = 'gfx/menu1572.gif';
var img12On = new Image();
img12On.src = 'gfx/menu1572_On.gif';

//Images used in Køkkenet
var img13Off = new Image();
img13Off.src = 'gfx/menu1566.gif';
var img13On = new Image();
img13On.src = 'gfx/menu1566_On.gif';

var img14Off = new Image();
img14Off.src = 'gfx/menu2160.gif';
var img14On = new Image();
img14On.src = 'gfx/menu2160_On.gif';

var img15Off = new Image();
img15Off.src = 'gfx/menu2161.gif';
var img15On = new Image();
img15On.src = 'gfx/menu2161_On.gif';

function expandNode(nodeName, img)
{
	var elem = document.getElementById(nodeName) ? true:false;
	
	if(elem) //Make sure element exists
	{
		if(document.getElementById(nodeName).style.display == 'none')
		{
			//Show stuff
			document.getElementById(nodeName).style.display = '';
			document.images[img].src = eval(img + 'On').src;
		}
		else
		{
			//Hide stuff
			document.getElementById(nodeName).style.display = 'none';
			document.images[img].src = eval(img + 'Off').src;
		}
	}
	return false;
}

var mouseX = 0;
var mouseY = 0;

document.onmousemove = captureMousePosition;

function showProps(alt)
{
	document.getElementById("pop").innerHTML = "<b>" + alt + "</b>";
	if(alt!='')
		document.getElementById("pop").style.display = "";
	else
		document.getElementById("pop").style.display = "none";
}

function captureMousePosition(e)
{
	//Find out how much the page has scrolled down and to the right
	var x=0
	var y=0;
	if(self.pageYOffset) // all except Explorer
	{
		x = self.pageXOffset;
		y = self.pageYOffset;
	}
	else if(document.documentElement && document.documentElement.scrollTop)// Explorer 6 Strict
	{
		x = document.documentElement.scrollLeft;
		y = document.documentElement.scrollTop;
	}
	else if(document.body) // all other Explorers
	{
		x = document.body.scrollLeft;
		y = document.body.scrollTop;
	}

	//Capture position
	if(navigator.appName.indexOf('Microsoft')!=-1)
	{
		mouseX = event.x;
		mouseY = event.y;
	}
	else
	{
		if (e.type=="mousemove")
		{
			mouseX = e.clientX
			mouseY = e.clientY;
		}
	}
	//Move layer to current position
	if(document.getElementById("pop"))
	{
		document.getElementById("pop").style.left = mouseX+20+x;
		document.getElementById("pop").style.top = mouseY+y;
	}
}

function init()
{
	if(navigator.appName.indexOf('Netscape')!=-1)
	{
		var divTag = document.getElementById('myBody');
		divTag.addEventListener("mousemove",captureMousePosition,true);
	}
}