var dot = "";

function getMarsh() {
	document.getElementById("but_find_kruise").innerHTML =  '<input class=button type="button" value="Идет поиск">';
	createRequest();
    var sel_type_duration = document.getElementById("sel_type_duration").value;
    var example = document.getElementById("example").value;
    var example2 = document.getElementById("example2").value;
    var sel_date_duration = document.getElementById("sel_date_duration").value;
    var select_tepl = document.getElementById("select_tepl").value;
    var select_city = document.getElementById("select_city").value;
    var url = "/ajax/getmarsh.php";
    url = url + "?date_out=" + example + "&date_in=" + example2 + "&type_duration=" + sel_type_duration + "&date_duration=" + sel_date_duration + "&select_tepl=" + select_tepl + "&select_city=" + select_city;
    request.open("GET", url, true);
    request.onreadystatechange = updateMarshPage;
    request.send(null);
}

function updateMarshPage() {
	if (request.readyState == 2) {
		document.getElementById("but_find_kruise").innerHTML =  '<input class=button type="button" value="Идет поиск .">';
	}
	
	if (request.readyState == 2) {
		document.getElementById("but_find_kruise").innerHTML =  '<input class=button type="button" value="Идет поиск ..">';
	}
	
	if (request.readyState == 4) {
		document.getElementById("but_find_kruise").innerHTML =  '<input class=button type="button" value="Идет поиск ...">';
		if (request.status == 200) {
			var el = document.getElementById("el");
			clearText(el);
			document.getElementById("el").innerHTML = request.responseText;
			document.getElementById("but_find_kruise").innerHTML = '<input class=button type="button" value="Подобрать круиз" name="but_find_kruise" onClick="getMarsh()">';
		} else {
			alert ("Ошибка на сервере. " + request.status);
		}
	}
}

function clearText(el) {
  if (el != null) {
    if (el.childNodes) {
      for (var i = 0; i < el.childNodes.length; i++) {
        var childNode = el.childNodes[i];
        el.removeChild(childNode);
      }
    }
  }
}