function TextExchange(obj)
{
//	var main = document.getElementById('text');
//	main.textContent = obj;
	selector = document.getElementById('hj');
	room = document.getElementById('room_count');
	metro = document.getElementById('metro');				
	highway = document.getElementById('highway');
	mkad = document.getElementById('mkad');
	var is_selected=0;
	for (x=0; x < selector.options.length; x++) 
		if (selector.options[x].selected) is_selected=x;
	if(is_selected>4)		
		room.style.display='none';
	else 	room.style.display='';
	if(is_selected>8)
	{
		highway.style.display='';
		mkad.style.display='';
		metro.style.display='none';
	}
	else 	
	{
		highway.style.display='none';
		mkad.style.display='none';
		metro.style.display='';
	}
}