var xmlHttp1;
var xmlHttp2;

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


function change_level()
{
	if(document.getElementById('country_select'))
	var country=document.getElementById('country_select').value;
	if(document.getElementById('level_select'))
	var level=document.getElementById('level_select').value;
	if(document.getElementById('catid'))
	var catid=document.getElementById('catid').value;
		if(document.getElementById('key'))
	var key=document.getElementById('key').value;



	xmlHttp1=GetXmlHttpObject()
	if (xmlHttp1==null)
	{
		alert ("Your browser does not support AJAX!");
		return;
	}

	xmlHttp1=GetXmlHttpObject()
	var url="../ajax/get_level_ajax.php";
	url=url+"?country=" +country
	url=url+"&level=" +level
	url=url+"&cat=" +catid
	url=url+"&key=" +key
	


	xmlHttp1.onreadystatechange=countryChanged
	xmlHttp1.open("GET",url,true);
	xmlHttp1.send(null);

}

function countryChanged()

{
	if (xmlHttp1.readyState==4)
	{
		
		document.getElementById("level_td").innerHTML=xmlHttp1.responseText;
	}
}



function change_country()
{
	if(document.getElementById('country_select'))
	var country=document.getElementById('country_select').value;
	if(document.getElementById('level_select'))
	var level=document.getElementById('level_select').value;
	if(document.getElementById('catid'))
	var catid=document.getElementById('catid').value;
	if(document.getElementById('key'))
	var key=document.getElementById('key').value;
	


	xmlHttp2=GetXmlHttpObject()
	if (xmlHttp2==null)
	{
		alert ("Your browser does not support AJAX!");
		return;
	}

	xmlHttp2=GetXmlHttpObject()
	var url="../ajax/get_country_ajax.php";
	url=url+"?level=" +level
	url=url+"&country=" +country
	url=url+"&cat=" +catid
	url=url+"&key=" +key


	xmlHttp2.onreadystatechange=levelChanged
	xmlHttp2.open("GET",url,true);
	xmlHttp2.send(null);

}


function levelChanged()

{
	if (xmlHttp2.readyState==4)
	{
		
		document.getElementById("country_td").innerHTML=xmlHttp2.responseText;
	}
}