//preload billeder
	home = new Image();
		home.src = "./images/system/knp_home.gif"
	home_p = new Image();
		home_p.src = "./images/system/knp_home_p.gif"
	products = new Image();
		products.src = "./images/system/knp_products.gif"
	products_p = new Image();
		products_p.src = "./images/system/knp_products_p.gif"
	contact = new Image();
		contact.src = "./images/system/knp_contact.gif"
	contact_p = new Image();
		contact_p.src = "./images/system/knp_contact_p.gif"
	about = new Image();
		about.src = "./images/system/knp_about.gif"
	about_p = new Image();
		about_p.src = "./images/system/knp_about_p.gif"
		
	var on="w0";
        var pnn=(document.layers)?true:false;
        var pn6=(navigator.vendor == ("Netscape6") || navigator.product == ("Gecko"));
        var pie=false;
        var pop=false;
        if (document.all){ if (navigator.userAgent.search('Opera')>=0){ pie=false;
        pop=true;} else {pie=true; pop=false;}}
	
	//Swap funktion
	function swap(imgDocID,imgObjName) {
		document.images[imgDocID].src = eval(imgObjName + ".src") }
	
	// show layer
	function pokaz(warstwa)
	{
	ukryj(on);
	if(pnn)	{ document.layers[warstwa].visibility="show"; } else
	if(pie || pop){ document.all[warstwa].style.visibility="visible"; } else
	if(pn6)	{ document.getElementById(warstwa).style.visibility="visible"; }
	on=warstwa;
	}

        // hide layer
	function ukryj(warstwa)
	{
	if(pnn)	{ document.layers[warstwa].visibility="hide"; } else
	if(pie || pop)	{ document.all[warstwa].style.visibility="hidden"; } else
	if(pn6)	{ document.getElementById(warstwa).style.visibility="hidden"; }
	}
	
	//popup
	function popup()
	{
	var w = 400;
	var h = 450;
	var x = (screen.availWidth - w) / 2;
	var y = (screen.availHeight - h) / 2;
	var win = window.open("./map.html", "Map", "scrollbars=no,width=" + w + ",height=" + h + ",top=" + y + 	",left=" + x);
	win.focus();
	}


//-->