var xmlHttp = createXmlHttpRequestObject();

function createXmlHttpRequestObject() 
{	
  // will store the reference to the XMLHttpRequest object
  var xmlHttp;
  // if running Internet Explorer
  if(window.ActiveXObject)
  {
    try
    {
      xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
    }
    catch (e) 
    {
      xmlHttp = false;
    }
  }
  // if running Mozilla or other browsers
  else
  {
    try 
    {
      xmlHttp = new XMLHttpRequest();
    }
    catch (e) 
    {
      xmlHttp = false;
    }
  }
  // return the created object or display an error message
  if (!xmlHttp)
 
    alert("Error creating the XMLHttpRequest object.");
  else 
    return xmlHttp;
}

function get_gallery_content() {
	var params = '';

	var url = '/' + document.getElementById('url').value;
	var big_img_id = document.getElementById('big_img_id').value;
	var direction = document.getElementById('direction').value;
	var first_item = document.getElementById('first_item').value;
	
	params = 'big_img_id=' + big_img_id + '&direction=' + direction + '&first_item=' + first_item;
	
	xmlHttp.open("POST", url, false);
	xmlHttp.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
	xmlHttp.send(params);
	
	if (xmlHttp.readyState == 4) {
		if (xmlHttp.status == 200) {
			xmlResponse = xmlHttp.responseText;
			document.getElementById('gallery').innerHTML = xmlResponse;
		}
	}
}


function get_cities_list(){
	//document.forms[form_name].submit();
	alert('111');
	
	/*
	var params = '';

	var url = document.getElementById('url').value;
	var type = document.getElementById('type').value;
	var city = document.getElementById('city').value;
	var rent_sale = document.getElementById('rent_sale').value;
	var min_price = document.getElementById('min_price').value;
	var area = document.getElementById('area').value;
	var max_price = document.getElementById('max_price').value;
	
	params = 'area=' + area + '&get_cities=1';
	
	xmlHttp.open("POST", url, false);
	xmlHttp.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
	xmlHttp.send(params);
	
	if (xmlHttp.readyState == 4) {
		if (xmlHttp.status == 200) {
			xmlResponse = xmlHttp.responseText;
			document.getElementById('cities_list').innerHTML = xmlResponse;
		}
	}
	*/
}