var XmlHttpObj; // declare a global  XMLHTTP Request object
var XmlHttpObj1; // declare a global  XMLHTTP1 Request object
// var domain_name = "http://www.rentalcargroup.co.uk/";
var domain_name = document.URL;
var testdomain;
if (domain_name.match("www")){
	testdomain = domain_name.substring(11,domain_name.lastIndexOf('/'));
	var myUrl = "http://www."+testdomain;
}
else{
	testdomain = domain_name.substring(7,domain_name.lastIndexOf('/'));	
	var myUrl = "http://"+testdomain;
}

if (testdomain.match("/"))
	myUrl = myUrl.substring(0,myUrl.lastIndexOf('/'));		

function CreateXmlHttpObj(){ // create an instance of XMLHTTPRequest Object, varies with browser type, try for IE first then Mozilla
	try{ 	// try creating for IE (note: we don't know the user's browser type here, just attempting IE first.)
		XmlHttpObj = new ActiveXObject("Msxml2.XMLHTTP");
	}
	catch(e){
		try{
			XmlHttpObj = new ActiveXObject("Microsoft.XMLHTTP");
		} 
		catch(oc){
			XmlHttpObj = null;
		}
	}
	if(!XmlHttpObj && typeof XMLHttpRequest != "undefined"){ // if unable to create using IE specific code then try creating for Mozilla (FireFox) 
		XmlHttpObj = new XMLHttpRequest();
	}
}

function CreateXmlHttpObj1(){ // create an instance of XMLHTTPRequest Object, varies with browser type, try for IE first then Mozilla
	try{ 	// try creating for IE (note: we don't know the user's browser type here, just attempting IE first.)
		XmlHttpObj1 = new ActiveXObject("Msxml2.XMLHTTP");
	}
	catch(e){
		try{
			XmlHttpObj1 = new ActiveXObject("Microsoft.XMLHTTP");
		}
		catch(oc){
			XmlHttpObj1 = null;
		}
	}
	if(!XmlHttpObj1 && typeof XMLHttpRequest != "undefined"){ // if unable to create using IE specific code then try creating for Mozilla (FireFox) 
		XmlHttpObj1 = new XMLHttpRequest();
	}
}


function GetInnerText (node){ // returns the node text value
	 return (node.textContent || node.innerText || node.text) ;
}

// All function of "StateChangeHandler" called when state of  XmlHttpObj changes
// we're interested in the state that indicates data has been
// received from the server
function StateChangeHandler2(){	
	if(XmlHttpObj.readyState == 4){ // state ==4 indicates receiving response data from server is completed		
		if(XmlHttpObj.status == 200){ // To make sure valid response is received from the server, 200 means response received is OK
			PopulateLocationList(XmlHttpObj.responseXML.documentElement);
		}
		else{
			alert("problem retrieving data from the server, status code: "  + XmlHttpObj.status);
		}
	}
}
function StateChangeHandler3(){
	if(XmlHttpObj.readyState == 4){ 	// state ==4 indicates receiving response data from server is completed		
		if(XmlHttpObj.status == 200){ // To make sure valid response is received from the server, 200 means response received is OK
			PopulateCityList(XmlHttpObj.responseXML.documentElement);
		}
		else{
			alert("problem retrieving data from the server, status code: "  + XmlHttpObj.status);
		}
	}
}

function PopulateCityList(cityNode){// populate the contents of the City dropdown list
	var cityList = document.getElementById("cityList");	
	var pick_up_loc = document.getElementById("pick_up_loc"); // clear the list 
	if (pick_up_loc != null) {	
		for (var count = pick_up_loc.options.length-1; count >-1; count--){
			pick_up_loc.options[count] = null;
		}	
	}
	for (var count = cityList.options.length-1; count >-1; count--){
		cityList.options[count] = null;
	}	
	var cityNodes = cityNode.getElementsByTagName('city');
	var idValue ;
	var textValue; 
	var optionItem;	
	for (var count = 0; count < cityNodes.length; count++){ // populate the dropdown list with data from the xml doc
   		textValue = GetInnerText(cityNodes[count]);
		idValue = cityNodes[count].getAttribute("id");
		optionItem = new Option( textValue, idValue,  false, false);
		cityList.options[cityList.length] = optionItem;
	}
}

function CityListOnChange(){ // called from onChange or onClick event of the country dropdown list    
	var cityList = document.getElementById("cityList");
	var country_selected = document.main.countryname.value;
	var selectedIndexValue = cityList.selectedIndex;
	if (selectedIndexValue == -1)
		selectedIndexValue = 0;	
    var selectedCity = cityList.options[selectedIndexValue].value; // get selected country from dropdown list
    var requestUrl;     // url of page that will send xml data back to client browser
	requestUrl = myUrl + "/xml_data_provider.php" + "?filter3=" + encodeURIComponent(selectedCity) + "&active_country=" + country_selected;
	CreateXmlHttpObj();		
	if(XmlHttpObj){ // verify XmlHttpObj variable was successfully initialized
        // assign the StateChangeHandler function ( defined below in this file)
        // to be called when the state of the XmlHttpObj changes
        // receiving data back from the server is one such change
		XmlHttpObj.onreadystatechange = StateChangeHandler2;				
		XmlHttpObj.open("GET", requestUrl,  true); // define the iteraction with the server -- true for as asynchronous.		
		XmlHttpObj.send(null);	// send request to server, null arg  when using "GET"
		document.main.pick_up_loc.disabled=false;
	}
}

function PopulateLocationList(locationNode){ // populate the contents of the country dropdown list
	var pick_up_loc = document.getElementById("pick_up_loc");
	for (var count = pick_up_loc.options.length-1; count >-1; count--){ 	// clear the country list
		pick_up_loc.options[count] = null;
	}
	var locationNodes = locationNode.getElementsByTagName('location');
	var idValue;
	var textValue; 
	var optionItem;
	for (var count = 0; count < locationNodes.length; count++){ // populate the dropdown list with data from the xml doc
		textValue = GetInnerText(locationNodes[count]);
		idValue = locationNodes[count].getAttribute("id");
		optionItem = new Option( textValue, idValue,  false, false);	
		pick_up_loc.options[pick_up_loc.length] = optionItem;
	}			
}

function OnCityLoad() {
    var countryList = document.getElementById("cityList");
	var selectedCountry = document.main.countryname.value;
    var requestUrl;
	requestUrl = myUrl + "/xml_data_provider.php" + "?filter1=" + encodeURIComponent(selectedCountry);
	CreateXmlHttpObj();
	if(XmlHttpObj)	{ 	// verify XmlHttpObj variable was successfully initialized
        // assign the StateChangeHandler function ( defined below in this file)
        // to be called when the state of the XmlHttpObj changes
        // receiving data back from the server is one such change
		XmlHttpObj.onreadystatechange = StateChangeHandler3;		
		XmlHttpObj.open("GET", requestUrl,  true); // define the iteraction with the server -- true for as asynchronous.		
		XmlHttpObj.send(null); // send request to server, null arg  when using "GET"		
	}
	setTimeout('document.main.cityList.focus();', 2000);
//	document.main.city.focus();
}

function StateChangeHandler5() {
	if(XmlHttpObj1.readyState == 4){	// state ==4 indicates receiving response data from server is completed
		if(XmlHttpObj1.status == 200){// To make sure valid response is received from the server, 200 means response received is OK
			PopulateCORList(XmlHttpObj1.responseXML.documentElement);
		}
		else{
			alert("problem retrieving data from the server, status code: "  + XmlHttpObj.status);
		}
	}
}

function OnCORLoad() { // On Page Load
	var countryList = document.main.cntry;
    var requestUrl; // url of page that will send xml data back to client browser
	requestUrl = myUrl+"/ip_country_xml.php";
	CreateXmlHttpObj1();	
	if(XmlHttpObj1){ // verify XmlHttpObj variable was successfully initialized
        // assign the StateChangeHandler function ( defined below in this file)
        // to be called when the state of the XmlHttpObj changes        
		XmlHttpObj1.onreadystatechange = StateChangeHandler5; // receiving data back from the server is one such change			
		XmlHttpObj1.open("GET", requestUrl,  true); // define the iteraction with the server -- true for as asynchronous.		
		XmlHttpObj1.send(null); // send request to server, null arg  when using "GET"
	}
}

function PopulateCORList(countryNode){	
	var countryList = document.main.cntry;
	for (var count = countryList.options.length-1; count >-1; count--){ // clear the country list 
		countryList.options[count] = null;
	}

	var countryNodes = countryNode.getElementsByTagName('country');
	var idValue;
	var textValue; 
	var optionItem;
	var curr_selected;
	var sindex;
	for (var count = 0; count < countryNodes.length; count++){ 	// populate the dropdown list with data from the xml doc
   		textValue = GetInnerText(countryNodes[count]);
		if (textValue.length < 2)
			continue;
		idValue = countryNodes[count].getAttribute("id");
		curr_selected = countryNodes[count].getAttribute("default");
		if (curr_selected == 1)
			sindex = count;
		optionItem = new Option( textValue, idValue,  false, false);
		countryList.options[countryList.length] = optionItem;		
	}
	countryList.selectedIndex = sindex;	
}