var xmlHttp
function showCities(str)
{
xmlHttp=GetXmlHttpObject()
if (xmlHttp==null)
 {
 alert ("Browser does not support HTTP Request")
 return
 }
var url="includes/ajax.php"
url=url+"?cnt="+str
//url=url+"&sid="+Math.random()
xmlHttp.onreadystatechange=stateChanged
xmlHttp.open("GET",url,true)
xmlHttp.send(null)
}
function showCitiesd(str)
{
xmlHttp=GetXmlHttpObject()
if (xmlHttp==null)
 {
 alert ("Browser does not support HTTP Request")
 return
 }
var url="includes/ajax.php"
url=url+"?cnt="+str
//url=url+"&sid="+Math.random()
xmlHttp.onreadystatechange=stateChangedd
xmlHttp.open("GET",url,true)
xmlHttp.send(null)
}
function stateChangedd()
{
if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
 {
		document.getElementById('cities').length = 0;
		//document.getElementById('cities').options[0] = new Option("--ΔΗΜΟΣ--","0");
		
		var	response = xmlHttp.responseXML.documentElement;
		var _data = response.getElementsByTagName('category');
		/*if(_data.length == 0)
		{
			document.getElementById('cities').options[0] = new Option("--ΔΗΜΟΣ--",'');	
		}*/
		document.getElementById('cities').options[0] = new Option("--Επιλέξτε--",'');	
		var i
		for ( i = 1 ; i < _data.length+1 ; i ++ )
		{
			document.getElementById('citiesd').options[i] = new Option(response.getElementsByTagName('fname')[i-1].firstChild.data,response.getElementsByTagName('id')[i-1].firstChild.data);	
		} 
 }else{
 //document.getElementById("cities").innerHTML="--Περιμένετε...--"
 document.getElementById('cities').options[0] = new Option("--Περιμένετε--",'');
 }
}
function stateChanged()
{
if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
 {
		document.getElementById('cities').length = 0;
		//document.getElementById('cities').options[0] = new Option("--ΔΗΜΟΣ--","0");
		
		var	response = xmlHttp.responseXML.documentElement;
		var _data = response.getElementsByTagName('category');
		/*if(_data.length == 0)
		{
			document.getElementById('cities').options[0] = new Option("--ΔΗΜΟΣ--",'');	
		}*/
		document.getElementById('cities').options[0] = new Option("--Επιλέξτε--",'');	
		var i
		for ( i = 1 ; i < _data.length+1 ; i ++ )
		{
			document.getElementById('cities').options[i] = new Option(response.getElementsByTagName('fname')[i-1].firstChild.data,response.getElementsByTagName('id')[i-1].firstChild.data);	
		} 
 }else{
 //document.getElementById("cities").innerHTML="--Περιμένετε...--"
 document.getElementById('cities').options[0] = new Option("--Περιμένετε--",'');
 }
}


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;
}