var booking_action;
var xmlHttp2;

function showBooking(action,data)
{ 
	xmlHttp2=GetXmlHttpObject2();
	
	if (xmlHttp2==null)
	{
	  alert ("Your browser does not support AJAX!");
	  return;
	}
	
	var url    = '/ajax/ajax_booking.php?';
	
	booking_action = action;
	
	var room_id 	  = document.getElementById('room_id').value;//ROOM ID
	var od 	          = document.getElementById('od').value;//od
	var to      	  = document.getElementById('do').value;//do
	var number_person = document.getElementById('number_person').value;//NUMBER OF PERSONS
	var persons       = '';
	
	//Make string of persons date of birth 
	for(i=1; i<=number_person;i++)
	{
		if(document.getElementById('p'+i+'_d'))
		{
			var d = document.getElementById('p'+i+'_d').value;//Day of birth
			var m = document.getElementById('p'+i+'_m').value;//Month of birth
			var y = document.getElementById('p'+i+'_y').value;//Year of birth
			
			persons = persons + d + '.' + m + '.' + y + '#';
		}
	}
	persons = persons.substr(0,(persons.length-1));
	
	//Add/Remove daily charges
	if(action == 1)
	{
		var charge = document.getElementById('da'+data).checked;
		var query2 = "data="+data+unescape('%26action=')+action+unescape('%26room_id=')+room_id+unescape('%26number_person=')+number_person+unescape('%26persons=')+persons+unescape('%26od=')+od+unescape('%26do=')+to+unescape('%26charge=')+charge;
		xmlHttp2.onreadystatechange = handleCharges;
	}
	//Add/Remove persons
	if(action == 2)
	{
		var query2 = "data="+data+unescape('%26action=')+action+unescape('%26room_id=')+room_id+unescape('%26number_person=')+number_person+unescape('%26persons=')+persons+unescape('%26od=')+od+unescape('%26do=')+to;
		xmlHttp2.onreadystatechange = handlePersons;
	}
	//Count price
	if(action == 3)
	{
		var query2 = "data="+data+unescape('%26action=')+action+unescape('%26room_id=')+room_id+unescape('%26number_person=')+number_person+unescape('%26persons=')+persons+unescape('%26od=')+od+unescape('%26do=')+to;
		xmlHttp2.onreadystatechange = handleCharges;
	}
	//Count price when date is changed
	if(action == 4)
	{
		var query2 = "data="+data+unescape('%26action=')+action+unescape('%26room_id=')+room_id+unescape('%26number_person=')+number_person+unescape('%26persons=')+persons+unescape('%26od=')+od+unescape('%26do=')+to;
		xmlHttp2.onreadystatechange = handleDates;
	}

	xmlHttp2.open("POST", url, true);
	xmlHttp2.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
	xmlHttp2.setRequestHeader("Content-length", query2.length);
	xmlHttp2.setRequestHeader("Connection", "close");
	xmlHttp2.send(query2);
}

function handleCharges()
{
	if (xmlHttp2.readyState==1)
	{
		if(document.getElementById('error'))
		{
			document.getElementById('error').innerHTML = '';
		}
		document.getElementById('room_price').innerHTML = 'Counting...';
	}
	if (xmlHttp2.readyState==4 || xmlHttp2.readyState=="complete")
	{ 
		var datar = xmlHttp2.responseText;
		var datar2 = datar.split('^^');
		
		if(datar2[0] == '0')
		{
			document.getElementById('error').innerHTML = datar2[1];
		}
		else
		{
			document.getElementById('room_price').innerHTML = datar2[1];
			document.getElementById('total_price').value = datar2[1];
			document.getElementById('addition_reduction').innerHTML = datar2[2];
			document.getElementById('hrk_price').innerHTML = datar2[3];
		}
	}
}
function handlePersons()
{
	if (xmlHttp2.readyState==1)
	{
		if(document.getElementById('error'))
		{
			document.getElementById('error').innerHTML = '';
		}
		document.getElementById('room_price').innerHTML = 'Counting...';
	}
	if (xmlHttp2.readyState==4 || xmlHttp2.readyState=="complete")
	{ 
		var data = xmlHttp2.responseText;
		var data2 = data.split('^^');
		
		if(data2[0] == '0')
		{
			document.getElementById('error').innerHTML = data2[1];
		}
		else
		{
			document.getElementById('person').innerHTML = data2[1];
			document.getElementById('number_person').value = data2[2];
			document.getElementById('room_price').innerHTML = data2[3];
			document.getElementById('total_price').value = data2[3];
			document.getElementById('addition_reduction').innerHTML = data2[4];
                        document.getElementById('hrk_price').innerHTML = data2[5];
		}
	}
}
function handleDates()
{
	if (xmlHttp2.readyState==1)
	{
		if(document.getElementById('error'))
		{
			document.getElementById('error').innerHTML = '';
		}
		
		document.getElementById('room_price').innerHTML = 'Counting...';
	}
	if (xmlHttp2.readyState==4 || xmlHttp2.readyState=="complete")
	{ 
		var data = xmlHttp2.responseText;
		var data2 = data.split('^^');
		
		if(data2[0] == '0')
		{
			document.getElementById('error').innerHTML = data2[1];
		}
		else
		{
			document.getElementById('room_price').innerHTML = data2[1];
			document.getElementById('total_price').value = data2[1];
			document.getElementById('addition_reduction').innerHTML = data2[2];
			document.getElementById('daily_charges').innerHTML = data2[3];
            document.getElementById('hrk_price').innerHTML = data2[4];
		}
	}
}

function GetXmlHttpObject2()
{
	var xmlHttp2=null;
	try
	  {
	  // Firefox, Opera 8.0+, Safari
	  xmlHttp2=new XMLHttpRequest();
	  }
	catch (e)
	  {
	  // Internet Explorer
	  try
	    {
	    xmlHttp2=new ActiveXObject("Msxml2.XMLHTTP");
	    }
	  catch (e)
	    {
	    xmlHttp2=new ActiveXObject("Microsoft.XMLHTTP");
	    }
	  }
	return xmlHttp2;
}