function changeArrival(typeOfData)
{
	if(typeOfData == 1)
	{
		if((document.getElementById('start_day').value > 28) && (document.getElementById('start_month').value == 2))
		{
				document.getElementById('start_day').selectedIndex = 0;
				document.getElementById('start_month').selectedIndex = 3;
				document.getElementById('finish_day').selectedIndex = 1;
				document.getElementById('finish_month').selectedIndex = 3;
		}
		else if(document.getElementById('start_day').value < 31)
		{
			document.getElementById('finish_day').selectedIndex = document.getElementById('start_day').selectedIndex + 1;
			document.getElementById('finish_month').selectedIndex = document.getElementById('start_month').selectedIndex;
		}
		else
		{
			document.getElementById('finish_day').selectedIndex = 0;
			changeArrival(2);
		}
	}
	
	if(typeOfData == 2)
	{
	    if((document.getElementById('start_day').value > 28) && (document.getElementById('start_month').value == 2))
		{
				document.getElementById('start_day').selectedIndex = 0;
				document.getElementById('start_month').selectedIndex = 3;
				document.getElementById('finish_day').selectedIndex = 1;
				document.getElementById('finish_month').selectedIndex = 3;
		}
		else
		if( (document.getElementById('start_day').value < 31) && (document.getElementById('start_month').value < 13) )
			document.getElementById('finish_month').selectedIndex = document.getElementById('start_month').selectedIndex;
		else
		{
			if( (document.getElementById('start_day').value > 30) && (document.getElementById('start_month').value > 11) )
			{
				document.getElementById('finish_month').selectedIndex = 0;
				document.getElementById('finish_year').selectedIndex = document.getElementById('start_year').selectedIndex + 1;
			}
			if(document.getElementById('start_day').value > 30 && (document.getElementById('start_month').value < 12) )
			{
				document.getElementById('finish_month').selectedIndex = document.getElementById('start_month').selectedIndex + 1;
			}
		}
	}
	
	if(typeOfData == 'year')
	{
	
	}
}