function addPass()
{
	var count = document.getElementById('pass-count').value;
	count++;
	
	if (count <= 4)
	{
		document.getElementById('pass-count').value = count;
		document.getElementById('passenger-' + count).style.display = 'block';
	}
	
	if (count >= 4)
		document.getElementById('add-pass').style.display = 'none';
		
	document.getElementById('rem-pass').style.display = 'block';
}

function remPass()
{
	var count = document.getElementById('pass-count').value;
	
	if (count > 1)
	{
		document.getElementById('rem-pass').style.display = 'block';
		
		document.getElementById('passenger-' + count).style.display = 'none';
		
		count--;
		document.getElementById('pass-count').value = count;
		
	}
	
	if (count <= 1)
		document.getElementById('rem-pass').style.display = 'none';
		
	document.getElementById('add-pass').style.display = 'block';
}