function selectMenu(index)
{
	if(index == prev_index_menu)return ;
	if(prev_index_menu!=-1)document.getElementById('menu').getElementsByTagName('li')[prev_index_menu].firstChild.className='';
	document.getElementById('menu').getElementsByTagName('li')[index].firstChild.className='select';
	prev_index_menu = index;
	document.getElementById('submenu').innerHTML = '';
	for(var i = 0,len=menu[index].length;i<len;i++)
	{
		if(selected_menu.menu==index && selected_menu.submenu==i)
		{
			document.getElementById('submenu').innerHTML +='<li class="select"><a href="'+ menu[index][i].src+'" title="'+ menu[index][i].title+'"><b>'+ menu[index][i].title+'</b></a></li>';
		}else{
			document.getElementById('submenu').innerHTML +='<li><a href="'+ menu[index][i].src+'" title="'+ menu[index][i].title+'"><b>'+ menu[index][i].title+'</b></a></li>';
		}
	}
	
}