function SwitchMenu(menu)
{
    if(menu=='categories')
        {
        document.getElementById(menu).style.display='block';
        document.getElementById('occasions').style.display='none';
        document.getElementById('switch_categories').className='current';
        document.getElementById('switch_occasions').className=null;
        }else{
        document.getElementById(menu).style.display='block';
        document.getElementById('categories').style.display='none';
        document.getElementById('switch_categories').className=null;
        document.getElementById('switch_occasions').className='current';}
}


function SubMenu(id)
{
    submenu=(document.getElementById(id).className=="current")?true:false;
    document.getElementById(id).className=(submenu)?null:"current";
}

function LoadMenu()
{
    document.getElementById('categories').className='menu js';
    document.getElementById('occasions').className='menu js';
    
}