function menu_hover( element )
{
   element.className = "menuHover";
}

function menu_hout( element )
{
   element.className = "menu";
}

function disco_hover( element )
{
   element.className = "discoHover";
}

function disco_hout( element )
{
   element.className = "disco";
}

function galery_hover( element )
{
   element.className = "galeryHover";
}

function galery_hout( element )
{
   element.className = "galery";
}