// Menu - onMouseOver
function mouseOver(menuId){
	var cesta = "obr/menu/"+menuId+"_1.jpg";
	document.getElementById(menuId).firstChild.src = cesta;
}
// Menu - onMouseOut
function mouseOut(menuId){
	var cesta = "obr/menu/"+menuId+"_0.jpg";
	document.getElementById(menuId).firstChild.src = cesta;
}