function nodeCleaner(n) {

  if(!n.data.replace(/\s/g,'')) n.parentNode.removeChild(n);

}

function cleanXML(docElement) {
  var node = docElement.getElementsByTagName('*');

  for(i = 0; i < node.length; i++) {

    a = node[i].previousSibling;

    if(a && a.nodeType == 3) nodeCleaner(a);

    b = node[i].nextSibling;

    if(b && b.nodeType == 3) nodeCleaner(b);

  }

  return docElement;

}



function afficheajax(lang,selection,liste)
{
	var seltag='';
	var idtag='';
	seltag = document.getElementById(selection);
	idtag = seltag.options[seltag.selectedIndex].value;	
	
	if(selection=='selectregion'){
		idregion=idtag;
		var seltagpays='';
		var idtagpays='';
		if (document.getElementById('selectpays')){
			seltagpays = document.getElementById('selectpays');
			idtagpays = seltagpays.options[seltagpays.selectedIndex].value;
			idtag=idtagpays;
		}else{
			//idtag=46;
			var location = document.location.href.split("/");
			idtag=location[6];
		}
		
	}else {
		idregion=0;
	}
	
	var xhr=null;
    if (window.XMLHttpRequest) { 
        xhr = new XMLHttpRequest();
    }
    else if (window.ActiveXObject) 
    {
        try {
            xhr = new ActiveXObject("Msxml2.XMLHTTP");
        } catch (e) {
            xhr = new ActiveXObject("Microsoft.XMLHTTP");
        }
    }
    //on définit l'appel de la fonction au retour serveur
    xhr.onreadystatechange = function() 
	{
		if(xhr.readyState==4 && xhr.status==200){
			switch (liste)
			{
				case 'zone':
					zone(xhr,lang); 
				break;
				case 'pays':
					
					pays(xhr,lang,idtag); 
				break;
				case 'region':
					region(xhr,lang,idtag);
				break;
				case 'famille':
					famille(xhr,lang);
				break;
			}
		}
	};
    
    //on appelle le fichier 
   var envoi="lang="+lang+"&id="+idtag+"&idregion="+idregion+"&liste="+liste;
	//alert(envoi);
	/*xhr.open("GET", "../inc/affreponse.php"+envoi, true);
	xhr.send(null);
	*/
	xhr.open("POST", urlitdistri+"inc/affreponse.php", true);
	xhr.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
	xhr.send(envoi);
	
	
	

}

function pays(xhr,lang,idtag)
{	
	document.getElementById('counties').style.visibility = 'hidden';
	document.getElementById('region').style.visibility = 'visible';
	MontreLigne();
	var docXML= xhr.responseXML;
	
	//alert(xhr.responseText);
	//response = docXML.documentElement;
	response = cleanXML(docXML.documentElement);
	
	
	//document.getElementById('region').innerHTML = 'TEST';
	var items = response.getElementsByTagName("country");
	
	
	//on fait juste une boucle sur chaque element "donnee" trouvé
	
	document.getElementById('region').innerHTML = '';
	
	count = items.length;
	
	var vhtmlpays='';	
	var taille=count+1;
	vhtmlpays += '<select id="selectregion" name="selectregion" size="10" onclick="javascript:afficheajax(\''+lang+'\',\'selectregion\',\'region\');">';
	for(i = 0; i < count; i++)
	{
		vhtmlpays += '<option value="'+ items[i].getElementsByTagName("id_country")[0].firstChild.nodeValue +'">';
		vhtmlpays += ''+ items[i].getElementsByTagName("lib_country")[0].firstChild.nodeValue + '</option>';
	}
	
	vhtmlpays += '</select>';
	
	//document.getElementById('region').innerHTML += vhtmlpays;
	
	
	var docXML= xhr.responseXML;
	response     = docXML.documentElement;
	var items = response.getElementsByTagName("region");
	count = items.length;
	
	for(j = 0; j < count; j++)
	{
		lblregion = items[j].getElementsByTagName("lib_region")[0].firstChild.nodeValue;
	}
	document.getElementById('region').innerHTML += '<p><h5 style="line-height: 2em; margin-left: 0px;" id="titreregion">'+lblregion+'</h5>'+vhtmlpays+'</p>';
	
}


function region(xhr,lang,idtag)
{
	var docXML= xhr.responseXML;
	var itemscounty = 0;
	response = cleanXML(docXML.documentElement);
	itemscounty = response.getElementsByTagName("county");
	count = itemscounty.length;
	document.getElementById('counties').innerHTML = '';
	if(idtag==46){
		document.getElementById('counties').style.visibility = 'visible';
	}
	var vhtmlcounties='';
	var taille=count+1;
	vhtmlcounties += '<select id="selectcounties" name="selectcounties" size="10" onclick="javascript:afficheajax(\''+lang+'\',\'selectcounties\',\'county\');">';
	
	for(i = 0; i < count; i++)
	{
		vhtmlcounties += '<option value="'+ itemscounty[i].getElementsByTagName("id_county")[0].firstChild.nodeValue +'">';
		vhtmlcounties += ''+ itemscounty[i].getElementsByTagName("lib_county")[0].firstChild.nodeValue + '</option>';
	}
	
	vhtmlcounties += '</select>';
	
	document.getElementById('counties').innerHTML += '<p><h5 style="line-height: 2em; margin-left: 0px;">Counties</h5>'+vhtmlcounties+'</p>';


}

function zone(xhr,lang)
{
	
	document.getElementById('region').style.visibility = 'hidden';
	var docXML= xhr.responseXML;
	var itemszone = 0;
	response = cleanXML(docXML.documentElement);
	itemszone = response.getElementsByTagName("un_pays");
	count = itemszone.length;
	var titre=document.getElementById('titrepays').innerHTML;
	document.getElementById('pays').innerHTML = '';
	var vhtmlzone='';
	vhtmlzone += '<select id="selectpays" name="selectpays" size="10" onclick="javascript:afficheajax(\''+lang+'\',\'selectpays\',\'pays\');">';
	
	for(i = 0; i < count; i++)
	{
		vhtmlzone += '<option value="'+ itemszone[i].getElementsByTagName("id_pays")[0].firstChild.nodeValue +'">';
		vhtmlzone += ''+ itemszone[i].getElementsByTagName("lib_pays")[0].firstChild.nodeValue + '</option>';
		
	}
	
	vhtmlzone += '</select>';
	
	document.getElementById('pays').innerHTML += '<p><h5 style="line-height: 2em; margin-left: 0px;" id="titrepays">'+titre+'</h5>'+vhtmlzone+'</p>';

}

function categorie(xhr)
{

}

function famille(xhr,lang)
{
	
	document.getElementById('type').style.visibility = 'visible';
	var docXML= xhr.responseXML;
	var itemscounty = 0;
	response = cleanXML(docXML.documentElement);
	itemsfamilly = response.getElementsByTagName("un_type");
	count = itemsfamilly.length;
	var titre=document.getElementById('titretype').innerHTML;
	document.getElementById('type').innerHTML = '';
	var vhtmlfamille='';
	var taille=count+1;
	vhtmlfamille += '<select id="selecttype" name="selecttype" size="10" onclick="javascript:afficheajax(\''+lang+'\',\'selecttype\',\'type\');">';
	vhtmlfamille += '<option value="0">---</option>';
	
	for(i = 0; i < count; i++)
	{
		vhtmlfamille += '<option value="'+ itemsfamilly[i].getElementsByTagName("id_type")[0].firstChild.nodeValue +'">';
		vhtmlfamille += ''+ itemsfamilly[i].getElementsByTagName("lib_type")[0].firstChild.nodeValue + '</option>';
	}
	
	vhtmlfamille += '</select>';
	
	document.getElementById('type').innerHTML += '<p><h5 style="line-height: 2em; margin-left: 0px;" id="titretype">'+titre+'</h5>'+vhtmlfamille+'</p>';


}