var req = null;

function InitXMLHttpRequest() {
	// Make a new XMLHttp object
	if (window.XMLHttpRequest) {
		req = new XMLHttpRequest();
	} else if (window.ActiveXObject) {
		req = new ActiveXObject("Microsoft.XMLHTTP");
	}
}


function SelectCountry(section, destination, operation_type, form_type) {
	InitXMLHttpRequest();
	// Load the result from the response page
	if (operation_type){
		operation_str = "&operation_type=" + operation_type;
	}else{
		operation_str = '';
	}	
	var class_loc;
	if (form_type == 'left_search_form'){
		operation_str = operation_str + "&is_left_search_form=1";
		class_loc = 'location_2';
	}else{
		class_loc = 'location';
	}
	if (req) {
		req.onreadystatechange = function() {
			if (req.readyState == 4) {
				destination.innerHTML = req.responseText;				
			} else {
				destination.innerHTML = "<select class='"+class_loc+"'><option>Loading data...</option></select>";
			}
		}
		req.open("GET", site_root+"/location.php?sec=" + section + "&sel=country" + operation_str, true);
		req.send(null);
	} else {
		destination.innerHTML = 'Browser unable to create XMLHttp Object';
	}
}

function SelectRegion(section, id_country, destination, destination2, text, text2, operation_type, form_type) {
	InitXMLHttpRequest();	
	if (operation_type){
		operation_str = "&operation_type=" + operation_type;
	}else{
		operation_str = '';
	}
	var class_loc;
	if (form_type=='left_search_form'){
		operation_str = operation_str + "&is_left_search_form=1";
		class_loc = 'location_2';
	}else{
		class_loc = 'location';
	}
	
	if (id_country != '') {
		if (req) {
			req.onreadystatechange = function() {
				if (req.readyState == 4) {
					destination.innerHTML = req.responseText;
				} else {
					destination.innerHTML = "<select class='"+class_loc+"'><option>"+text+"</option></select>";
				}
			}
			req.open("GET", site_root + "/location.php?sec=" + section + "&sel=region&id_country=" + id_country + operation_str, true);
			req.send(null);
		} else {
			destination.innerHTML = 'Browser unable to create XMLHttp Object';
		}
	} else {
		req.open('GET',  site_root + '/location.php?sec=' + section + '&sel=region' + operation_str, false);
	    req.send(null);
    	destination.innerHTML = req.responseText;
	}    
}

function SelectRegion2(section, id_country, destination, destination2, text, text2, destination3) {
	InitXMLHttpRequest();
	if (id_country != '') {
		if (req) {
			req.onreadystatechange = function() {
				if (req.readyState == 4) {
					destination.innerHTML = req.responseText;
				} else {
					destination.innerHTML = "<select class=\"location\"><option>"+text+"</option></select>";
				}
			}
			req.open("GET",  site_root + "/location.php?sec=" + section + "&sel=region2&id_country=" + id_country, true);
			req.send(null);
		} else {
			destination.innerHTML = 'Browser unable to create XMLHttp Object';
		}
	} else {
		req.open('GET',  site_root + '/location.php?sec=' + section + '&sel=region', false);
	    req.send(null);
    	destination.innerHTML = req.responseText;
	}
    destination2.innerHTML = "<select class=\"location\"><option>"+text2+"</option></select>";
    if ((section == 'rnte') || (section == 'rmte')){
    	destination3.innerHTML = "";
    }
}

function SelectLocation(section, operation_type, country_id, region_id, city_id, destination_country, destination_region, destination_city,ip_load_region_TEXT, ip_city_TEXT, ip_load_city_TEXT, form_type){
	
	InitXMLHttpRequest();
	// Load the result from the response page
	if (operation_type){
		operation_str = "&operation_type=" + operation_type;
	}else{
		operation_str = '';
	}
	if (country_id){
		operation_str = operation_str + "&country_id=" + country_id;
	}
	if (region_id){
		operation_str = operation_str + "&region_id=" + region_id;
	}
	if (city_id){
		operation_str = operation_str + "&city_id=" + city_id;
	}
	var class_loc;
	if (form_type=='left_search_form'){
		operation_str = operation_str + "&is_left_search_form=1";
		class_loc = 'location_2';
	}else{
		class_loc = 'location';
	}
	if (req) {
		req.onreadystatechange = function() {
			if (req.readyState == 4) {				
				var response_arr = req.responseText.split('__');
				destination_country.innerHTML = response_arr[0];
				destination_region.innerHTML = response_arr[1];
				destination_city.innerHTML = response_arr[2];				
			} else {
				destination_country.innerHTML = "<select class='"+class_loc+"'><option>Loading data...</option></select>";
				destination_region.innerHTML = "<select class='"+class_loc+"'><option>"+ip_load_region_TEXT+"</option></select>";
				destination_city.innerHTML = "<select class='"+class_loc+"'><option>"+ip_load_city_TEXT+"</option></select>";
			}
		}
		req.open("GET", site_root+"/location.php?sec=" + section + "&sel=all_location" + operation_str, true);
		req.send(null);
	} else {
		destination.innerHTML = 'Browser unable to create XMLHttp Object';
	}
}

function SelectCity(section, id_region, destination, text, operation_type, form_type){
	InitXMLHttpRequest();
	if (operation_type){
		operation_str = "&operation_type=" + operation_type;
	}else{
		operation_str = '';
	}
	var class_loc;
	
	if (form_type=='left_search_form'){
		operation_str = operation_str + "&is_left_search_form=1";
		class_loc = 'location_2';
	}else{
		class_loc = 'location';
	}
    if (id_region != '') {
		// Load the result from the response page
	    if (req){
			req.onreadystatechange = function() {
				if (req.readyState == 4) {
					destination.innerHTML = req.responseText;
				} else {
					destination.innerHTML = "<select class='"+class_loc+"'><option>"+text+"</option></select>";
				}
			}
	       req.open('GET',  site_root + '/location.php?sec=' + section + '&sel=city&id_region=' + id_region + operation_str, true);
	       req.send(null);
	    }
	    else{
	       destination.innerHTML = 'Browser unable to create XMLHttp Object';
	    }
    }
    else {
    	req.open('GET',  site_root + '/location.php?sec=' + section + '&sel=city' + operation_str, false);
		req.send(null);
    	destination.innerHTML = req.responseText;
    }
}

function SelectCity2(section, id_region, destination, text, destination2){
	InitXMLHttpRequest();
    if (id_region != '') {
		// Load the result from the response page
	    if (req){
			req.onreadystatechange = function() {
				if (req.readyState == 4) {
					destination.innerHTML = req.responseText;
				} else {
					destination.innerHTML = "<select class=\"location\"><option>"+text+"</option></select>";
				}
			}
	       req.open('GET',  site_root + '/location.php?sec=' + section + '&sel=city2&id_region=' + id_region, true);
	       req.send(null);
	    }
	    else{
	       destination.innerHTML = 'Browser unable to create XMLHttp Object';
	    }
    }
    else {
    	req.open('GET',  site_root + '/location.php?sec=' + section + '&sel=city2', false);
		req.send(null);
    	destination.innerHTML = req.responseText;
    }
    if ((section == 'rnte') || (section == 'rmte')){
    	destination2.innerHTML = "";
    }
}

function ShowSubways(section, city_id, destination, text, text2){
	if ((section == 'rnte') || (section == 'rmte')){
		if ((city_id=='3159_4312_4400') || (city_id=='3159_4925_4962')){
			InitXMLHttpRequest();
			if (req){
				req.onreadystatechange = function() {
					if (req.readyState == 4) {
						destination.innerHTML = req.responseText;
					} else {
						destination.innerHTML = "<table cellpadding=\"0\" cellspacing=\"0\" border=\"0\" height=\"25\"><tr><td height=\"27\" width=\"100\">" + text2 + ":&nbsp;</td><td><select class=\"location\"><option>" + text +"</option></select></td></tr></table>";
					}
				}
		       req.open('GET',  site_root + '/location.php?sec=' + section + '&sel=subway&id_city=' + city_id, true);
		       req.send(null);
		    }
		    else{
		       destination.innerHTML = 'Browser unable to create XMLHttp Object';
		    }
		} else {
			destination.innerHTML = '';
		}
	} else {
		destination.innerHTML = '';
	}
}

function UpdatingProcess(div, update_text){
	$("#update_div").remove();
	$("#update_text").remove();
	$("#update_img").remove();
	$div_el = $("#"+div);
	
	if ($div_el.width() != null){
	var width = $div_el.width();
	var height = $div_el.height();
	var left_pos = $div_el.offset().left;	   			
	var top_pos = $div_el.offset().top;
	$("body").append('<div id="update_div"></div>');
	$("#update_div").css("z-index", 5)
				.css("position", "absolute")
				.css("left", left_pos)
				.css("top", top_pos)
				.css("width", width)
				.css("height", height)
				.css("border", "0px solid #cccccc")
				.css("background-image", "url('"+bg_img+"')");
	
	var left_img = left_pos + width/2 - 16;
	var left_text = left_pos + width/2 + 24;
	var top_img = top_pos + height/2 -16;	
	var top_text = top_img + 8;	
	$("body").append("<img id='update_img' src='"+indicator+"' style='position:absolute;z-index:6; left: "+left_img+"px;top: "+top_img+"px;'>");
	$("body").append("<div id='update_text' style='position:absolute;z-index:6; left: "+left_text+"px;top: "+top_text+"px;'>"+update_text+"</div>");
	}
						
};