var xmlhttp;
var respond = 'quick_login';
var callback = '';



function check_registered() {
	//alert(respond);
	xmlhttp = GetXmlHttpObject();
	if(xmlhttp == null) {
		alert ("Your browser does not support AJAX!");
		return;
	}
	
	respond = 'quick_login';
	callback = 'document.itemform.pass_.focus()';
	
	var username = document.getElementById('username_').value;
	
	var url="/submit_offer/check_registered.php";
	url = url + "?username=" + username;
	
	xmlhttp.onreadystatechange = stateChanged;
	xmlhttp.open("GET", url, true);
	xmlhttp.send(null);
}



function do_login() {
	//alert('do_login');
	xmlhttp = GetXmlHttpObject();
	if(xmlhttp == null) {
		alert ("Your browser does not support AJAX!");
		return;
	}
	
	respond = 'quick_login';
	callback = 'log_me_in()';
	
	var username = document.getElementById('username_').value;
	var password = document.getElementById('pass_').value;
	
	var url="/submit_offer/login.php";
	url = url + "?username=" + username;
	url = url + "&password=" + password;
	
	xmlhttp.onreadystatechange = stateChanged;
	xmlhttp.open("GET", url, true);
	xmlhttp.send(null);
}



function do_register() {
	//alert('do_register');
	xmlhttp = GetXmlHttpObject();
	if(xmlhttp == null) {
		alert ("Your browser does not support AJAX!");
		return;
	}
	
	respond = 'quick_login';
	callback = 'log_me_in()';
	
	var username = document.getElementById('username_').value;
	var password = document.getElementById('pass_').value;
	
	var url="/submit_offer/register.php";
	url = url + "?username=" + username;
	url = url + "&password=" + password;
	
	xmlhttp.onreadystatechange = stateChanged;
	xmlhttp.open("GET", url, true);
	xmlhttp.send(null);
}



function choosed_district(id, sub_id) {
	//alert(id);
	xmlhttp = GetXmlHttpObject();
	if(xmlhttp == null) {
		alert ("Your browser does not support AJAX!");
		return;
	}
		//alert("choose".sub_id);

	respond = 'map_respond';
	
	var url="/submit_offer/cities.php";
	url = url + "?district_id=" + id;
	url = url + "&sub_district_id=" + sub_id;
	
	xmlhttp.onreadystatechange = stateChanged;
	
	xmlhttp.open("GET", url, true);
	xmlhttp.send(null);
}



function choosed_city(id, sub_id) {
	xmlhttp = GetXmlHttpObject();
	if(xmlhttp == null) {
		alert ("Your browser does not support AJAX!");
		return;
	}
	
	respond = 'map_respond';
	
	var url="/submit_offer/quarters.php";
	url = url + "?city_id=" + id;
	url = url + "&sub_city_id=" + sub_id;
	
	xmlhttp.onreadystatechange = stateChanged;
	xmlhttp.open("GET", url, true);
	xmlhttp.send(null);
}



function stateChanged() {
	if (xmlhttp.readyState == 4) {
		document.getElementById(respond).innerHTML = xmlhttp.responseText;
		if(callback != '') eval(callback);
	}
}
function changeMapAndSelect() {
	if (xmlhttp.readyState == 4) {
		document.getElementById(respond).innerHTML = xmlhttp.responseText;
		choosed_district(0,document.getElementById('ctsRgnsID').value);
		if(callback != '') eval(callback);
	}
}


function GetXmlHttpObject() {
	if (window.XMLHttpRequest) {
		// code for IE7+, Firefox, Chrome, Opera, Safari
		return new XMLHttpRequest();
	}
	if (window.ActiveXObject) {
		// code for IE6, IE5
		return new ActiveXObject("Microsoft.XMLHTTP");
	}
	return null;
}
function select_locations(divname, loc) {
	//alert(respond);
	xmlhttp = GetXmlHttpObject();
	if(xmlhttp == null) {
		alert ("Your browser does not support AJAX!");
		return;
	}
	
	respond = divname;
	//callback = 'document.itemform.pass_.focus()';
	
	//var loc = document.getElementById('locations').value;
	
	var url="/login/inc/locations_form.php";
	url = url + "?city=" + loc;
	
	xmlhttp.onreadystatechange = stateChanged;
	xmlhttp.open("GET", url, true);
	xmlhttp.send(null);
}
function selectFromMap(ctsRgnsID) {
	xmlhttp = GetXmlHttpObject();
	if(xmlhttp == null) {
		alert ("Your browser does not support AJAX!");
		return;
	}
	//alert("selectMap".ctsRgnsID);
	respond = 'flash_map';
	
	var url="/submit_offer/map_select.php";
	url = url + "?ctsRgnsID=" + ctsRgnsID;
	
		
	xmlhttp.onreadystatechange = changeMapAndSelect;
	xmlhttp.open("GET", url, true);
	xmlhttp.send(null);
}