var img_n = new Array(6);
	var img_h = new Array(6);
	var names = new Array("onas", "historia", "galeria", "oferta", "kontakt", "dojazd");
	
	function preload()
	{
		for (i = 0; i < 6; i++)
		{
			img_n[i] = new Image();
			img_n[i].src = "gfx/menu/" + names[i] + ".jpg";
			img_h[i] = new Image();
			img_h[i].src = "gfx/menu/" + names[i] + "_hl.jpg";
		}
	}
	
	function highlight(nr)
	{
		document.getElementById("menu" + nr).src = img_h[nr].src;
	}

	function delight(nr)
	{
		document.getElementById("menu" + nr).src = img_n[nr].src;
	}