function showdown_menu_ico(name_ico,name_always_show) {
    if(name_ico != name_always_show) document.getElementById(name_ico).style.visibility='hidden';
}

function change_menu_ico(this_element,name_ico,name_always_show) {
    if(this_element != name_always_show)document.getElementById(this_element).src="image/" + name_ico;
}

function show_rpnm(name_always_show) {
    if(document.getElementById('rpnm').style.display=='none')
        document.getElementById('rpnm').style.display='block';
    else
        document.getElementById('rpnm').style.display='none';
}

function kontrola_menu(name_always_show) {
    my_space = new Array("penzion","thajsko","dvere","kovani","obuv","shop");
    for(i = 0; i < my_space.length; i++)
        if(my_space[i] != name_always_show) document.getElementById(my_space[i]).style.visibility = "hidden";
}