function menu(obj)
	{
		if (obj.className == "visible") obj.className = "hidden";
		else obj.className = "visible";
	}
	
function otvet(otv,clr) 
	{
		if(otv.style.display == 'block') 
			{
				otv.style.display = 'none';				
				clr.className = "win_type";
			}	
		else 
			{
				otv.style.display = 'block';
				clr.className = "win_type_select";
			}	
		
	}