id = 0;
hideDelayTimer = null;


function hideAll() {
	for(i = 1; i <= 7; i++) {
		if(i != id) {
			menu_item = window.top.document.getElementById("mm" + i);
			submenu_item = window.top.document.getElementById("sm" + i);
			
			menu_item.className = "";
			submenu_item.style.visibility = "hidden";
			submenu_item.style.display = "none";
	
			clearTimeout(hideDelayTimer);
		}
	}
}


function showItem(id) {
	hideAll();
	
	menu_item = window.top.document.getElementById("mm" + id);
	submenu_item = window.top.document.getElementById("sm" + id);
	
	if(submenu_item.innerHTML.length  != 0) { 
		menu_item.className = "activ";
		submenu_item.style.visibility = "visible";
		submenu_item.style.display = "block";
	}
	
	clearTimeout(hideDelayTimer);
}