var xmlHttp;
var xmlHttp1;
var xmlHttp2;
var xmlHttp3;
var xmlHttp4;
var index=0;

function GetHotelsInfo(str)
{ 
  
  /*
  if (xmlHttp==null)
  {
    alert ("Brauzer HTTP Request - i dəstəkləmir");
    return;
  }
  */
  var url="gethotelscategory.php";
  url=url+"?cbHotel="+str;
  url=url+"&sid="+Math.random();
  index=3;
  //alert(url);
  xmlHttp1=GetXmlHttpObject();
  xmlHttp1.onreadystatechange=stateChanged1 ;
  xmlHttp1.open("GET",url,true);
  xmlHttp1.send(null);
  
  url="gethotelstype.php";
  url=url+"?cbHotel="+str;
  url=url+"&sid="+Math.random();
  xmlHttp2=GetXmlHttpObject();
  xmlHttp2.onreadystatechange=stateChanged2 ;
  xmlHttp2.open("GET",url,true);
  xmlHttp2.send(null);

  url="gethotelsroomtype.php";
  url=url+"?cbHotel="+str;
  url=url+"&sid="+Math.random();
  xmlHttp3=GetXmlHttpObject();
  xmlHttp3.onreadystatechange=stateChanged3 ;
  xmlHttp3.open("GET",url,true);
  xmlHttp3.send(null);
  
  url="gethotelsroomkind.php";
  url=url+"?cbHotel="+str;
  url=url+"&sid="+Math.random();
  xmlHttp4=GetXmlHttpObject();
  xmlHttp4.onreadystatechange=stateChanged4 ;
  xmlHttp4.open("GET",url,true);
  xmlHttp4.send(null);
  
}

function GetHotelsCategory(str)
{ 
  xmlHttp=GetXmlHttpObject();
  if (xmlHttp==null)
  {
    alert ("Brauzer HTTP Request - i dəstəkləmir");
    return;
  }
}

function GetCity(str)
{ 
  xmlHttp=GetXmlHttpObject();
  if (xmlHttp==null)
  {
    alert ("Brauzer HTTP Request - i dəstəkləmir");
    return;
  }
  var url="getcity.php";
  url=url+"?cbcountry="+str;
  url=url+"&sid="+Math.random();
  index=1;
  xmlHttp.onreadystatechange=stateChanged;
  xmlHttp.open("GET",url,true);
  xmlHttp.send(null);
}

function GetRegion(str)
{ 
  
  xmlHttp=GetXmlHttpObject();
  if (xmlHttp==null)
  {
    alert ("Brauzer HTTP Request - i dəstəkləmir");
    return;
  }
  var url="getregion.php";
  url=url+"?cbcity="+str;
  url=url+"&sid="+Math.random();
  index=2;
  xmlHttp.onreadystatechange=stateChanged;
  xmlHttp.open("GET",url,true);
  xmlHttp.send(null); 
}

function stateChanged() 
{ 
  if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
  { 
	 switch (index){
	 case 1 : document.getElementById("dcity").innerHTML=xmlHttp.responseText;  
	          break; 
	 case 2 : document.getElementById("dregion").innerHTML=xmlHttp.responseText;  
	          break;                     
   } 
  }
}

function stateChanged1() 
{ 
  if (xmlHttp1.readyState==4 || xmlHttp1.readyState=="complete")
  { 
	 document.getElementById("dcategoryofhotel").innerHTML=xmlHttp1.responseText;                        
  }
}

function stateChanged2() 
{ 
  if (xmlHttp2.readyState==4 || xmlHttp2.readyState=="complete")
  { 
	 document.getElementById("dtypeofhotel").innerHTML=xmlHttp2.responseText;                        
  }
}

function stateChanged3() 
{ 
  if (xmlHttp3.readyState==4 || xmlHttp3.readyState=="complete")
  { 
	 document.getElementById("dhotelsroomtype").innerHTML=xmlHttp3.responseText;                        
  }
}

function stateChanged4() 
{ 
  if (xmlHttp4.readyState==4 || xmlHttp4.readyState=="complete")
  { 
	 document.getElementById("dhotelsroomkind").innerHTML=xmlHttp4.responseText;                        
  }
}


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