function showhideSubmenu(idnum, azione) {
	
	var objSubmenu = getObj('submenu' + idnum);
	
	if (azione == "auto") {
		
		if (objSubmenu.style.display == 'none' || objSubmenu.style.display == '')
			
			objSubmenu.style.display = 'block';
			
		else
			
			objSubmenu.style.display = 'none';
		
	}
	else if (azione == "show") {
		
		objSubmenu.style.display = 'block';
		
	}
	else if (azione == "hide") {
		
		objSubmenu.style.display = 'none';
		
	}
	
}





function hideAllSubmenus(submenuscount) {
	
	var objSubmenu = idObject = "";
	
	for( i = 0 ; i < submenuscount ; i++) {
		
		idObject = 'submenu' + i.toString();
		
		objSubmenu = getObj(idObject);
		
		objSubmenu.style.display = 'none';
		
	}
	
}