var obj;
var field_loading;
var field_loading_0;
//**************
//de alguma forma o req/response do loadXMLDoc se perde, refatorar urgente este código.
function fillSelectCityAndSuburb(host, obj, obj2, fk_value, form) {
	fillSelect(host, obj, fk_value, form);//region_id
	selectSuburb(fk_value, host, obj2.name);
}
function fillSelectCityAndSuburbSearchPage(host, obj, obj2, fk_value, form) {
	fillSelectSearchPage(host, obj, fk_value, form);//region_id
	selectSuburbSearchPage(fk_value, host, obj2.name);
}
function selectValueOnComponent(value,component){
	if(value.options[value.selectedIndex].title != ''){
		for(i=0;i<component.length;i++){
			if(component.options[i].value == value.options[value.selectedIndex].title){
				component.selectedIndex = i;
			}
		}
	}
}
function selectSuburb(fk_value, host, objName){
	resetSelect(document.getElementById(objName));
	url = host + '/location.php?state_to_suburb_id=' + fk_value;
	if (fk_value > 0) loadXMLDocSuburb(url);
}
function selectSuburbSearchPage(fk_value, host, objName){
	resetSelect(document.getElementById(objName));
	url = host + '/location.php?state_to_suburb_id=' + fk_value + '&searchpage=1';
	if (fk_value > 0) loadXMLDocSuburb(url, '');
}
function loadXMLDocSuburb(url) {
	// branch for native XMLHttpRequest object
	if (window.XMLHttpRequest) {
		reqq = new XMLHttpRequest();
		reqq.onreadystatechange = processReqChangeSuburb;
		reqq.open("GET", url, true);
		reqq.send(null);
	// branch for IE/Windows ActiveX version
	} else if (window.ActiveXObject) {
		req = new ActiveXObject("Microsoft.XMLHTTP");
		if (reqq) {
			reqq.onreadystatechange = processReqChangeSuburb;
			reqq.open("GET", url, true);
			reqq.send();
		}
	}
}
function processReqChangeSuburb() {
	// only if req shows "complete"
	if (reqq.readyState == 4) {
		// only if "OK"
		if (reqq.status == 200) {
			// ...processing statements go here
			responsee  = reqq.responseXML.documentElement;
			if (responsee) {
				var resultt = new Array();
				for (i=0; i < responsee.getElementsByTagName('id').length; i++) {
					resultt[i] = {'id': responsee.getElementsByTagName('id')[i].firstChild.data, 'name': responsee.getElementsByTagName('name')[i].firstChild.data, 'obj_name': responsee.getElementsByTagName('obj_name')[i].firstChild.data,'title': responsee.getElementsByTagName('regionid')[i].firstChild.data};
				}
				if (resultt != '') {
					// Response mode
					for (i=0; i < resultt.length; i++) {
						opt = new Option(resultt[i].name,resultt[i].id);
						opt.title = resultt[i].title;						
						document.getElementById(resultt[i].obj_name).options[document.getElementById(resultt[i].obj_name).options.length] = opt; 
					}
				}
				unlockLocation();
			}
		} else {
			alert("There was a problem retrieving the XML data>>:\n" + reqq.statusText);
		}
	}
}
//****************
function fillSelect(host, obj, fk_value, form) {
	this.obj = obj;
	resetSelect(obj);
	// check if object exisits.
	if (typeof obj != 'object') return false;
	if (fk_value > 0) {
		form.country_id.disabled=true;
		form.state_id.disabled=true;
		form.region_id.disabled=true;
		form.city_id.disabled=true;
	}
	if (obj.name == "state_id") {
		resetSelect(form.region_id);
		url = host + '/location.php?country_id=' + fk_value;
		if (fk_value > 0) loadResult(url, '');
	}
	if (obj.name == "region_id") {
		url = host + '/location.php?state_id=' + fk_value;
		if (fk_value > 0) loadResult(url, '');
	}
	if (obj.name == "city_id") {
		url = host + '/location.php?region_id=' + fk_value;
		if (fk_value > 0) loadResult(url, '');
	}
}

function fillSelectSearchPage(host, obj, fk_value, form) {
	this.obj = obj;
	resetSelect(obj);
	// check if object exisits.
	if (typeof obj != 'object') return false;
	if (fk_value > 0) {
		form.search_country.disabled=true;
		form.search_state.disabled=true;
		form.search_region.disabled=true;
		form.search_city.disabled=true;
	}
	if (obj.name == "search_state") {
		resetSelect(form.search_region);
		url = host + '/location.php?country_id=' + fk_value + '&searchpage=1';
		if (fk_value > 0) loadResult(url, '');
	}
	if (obj.name == "search_region") {
		url = host + '/location.php?state_id=' + fk_value + '&searchpage=1';
		if (fk_value > 0) loadResult(url, '');
	}
	if (obj.name == "search_city") {
		url = host + '/location.php?region_id=' + fk_value + '&searchpage=1';
		if (fk_value > 0) loadResult(url, '');
	}
}
function resetSelect(obj) {
	while (obj.options.length>1) {
		deleteIndex=obj.options.length-1;
		obj.options[deleteIndex]=null;
	}
}
function loadXMLDoc(url) {
	// branch for native XMLHttpRequest object
	if (window.XMLHttpRequest) {
		req = new XMLHttpRequest();
		req.onreadystatechange = processReqChange;
		req.open("GET", url, true);
		req.send(null);
	// branch for IE/Windows ActiveX version
	} else if (window.ActiveXObject) {
		req = new ActiveXObject("Microsoft.XMLHTTP");
		if (req) {
			req.onreadystatechange = processReqChange;
			req.open("GET", url, true);
			req.send();
		}
	}
}
function processReqChange() {
	// only if req shows "complete"
	if (req.readyState == 4) {
		// only if "OK"
		if (req.status == 200) {
			// ...processing statements go here
			response = req.responseXML.documentElement;
			if (response) {
				var result = new Array();
				for (i=0; i < response.getElementsByTagName('id').length; i++) {
					result[i] = {'id': response.getElementsByTagName('id')[i].firstChild.data, 'name': response.getElementsByTagName('name')[i].firstChild.data, 'obj_name': response.getElementsByTagName('obj_name')[i].firstChild.data};
				}
				loadResult('',result);
				unlockLocation();
			}
		} else {
			alert("There was a problem retrieving the XML data:\n" + req.statusText);
		}
	}
}
function loadResult(url, result) {
	if (result != '') {
		// Response mode
		for (i=0; i < result.length; i++) {
			document.getElementById(result[i].obj_name).options[document.getElementById(result[i].obj_name).options.length] = new Option(result[i].name,result[i].id);
		}
	} else if (url != '') {
		// Input mode
		return (loadXMLDoc(url));
	}
}
function unlockLocation() {
	if(document.getElementById("country_id")){
		document.getElementById("country_id").disabled=false;
		document.getElementById("state_id").disabled=false;
		document.getElementById("region_id").disabled=false;
		document.getElementById("city_id").disabled=false;
	}
	if(document.getElementById("search_country")){
		document.getElementById("search_country").disabled=false;
		document.getElementById("search_state").disabled=false;
		document.getElementById("search_region").disabled=false;
		document.getElementById("search_city").disabled=false;
	}
}