var img= new Array();

function zaladuj()
{
	for (i=1; i<18; i++)
	{
		img[i] = new Array;
		img[i][1] = new Image;
		img[i][2] = new Image;
		img[i][1].src = 'img/menu'+i+'a.png';
		img[i][2].src = 'img/menu'+i+'b.png';
	}
}
setTimeout('zaladuj()', 1);

function aa(elem, obr, typ)
{
	if (img && img[obr])
	{
		if (typ == 'a')
			elem.src = img[obr][1].src;
		else
			elem.src = img[obr][2].src;
	}
	else
		setTimeout('aa('+elem+', '+obr+', '+typ+')', 100);
}