// declare a global  XMLHTTP Request object
var XmlHttpObj;

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

// called from onChange or onClick event of the continent dropdown list
function ContinentListOnChange() 
{
    var country = document.getElementById("country");
	  //  alert(country);
	   // alert('country');  
    // get selected continent from dropdown list
    var selectedContinent = country.options[country.selectedIndex].value;
/*	
					 	alert("THIS IS CALLED AFTER A COUNTRY IS CHOSEN - timiing issue, will not work if this print is removed"); 
							alert("THIS IS CALLED AFTER A COUNTRY IS CHOSEN - timiing issue, will not work if this print is removed"); 
						alert("THIS IS CALLED AFTER A COUNTRY IS CHOSEN - timiing issue, will not work if this print is removed"); 
 */
// alert(selectedContinent);
  // var selectedContinent = country.value;
    //alert(selectedContinent);
    // url of page that will send xml data back to client browser
    var requestUrl;
    // use the following line if using asp
    //requestUrl = "xml_data_provider.asp" + "?filter=" + encodeURIComponent(selectedContinent);
    // use the following line if using php
     requestUrl = "xml_data_provider.php" + "?filter=" + encodeURIComponent(selectedContinent);
    //alert(requestUrl);
	CreateXmlHttpObj();
	// verify XmlHttpObj variable was successfully initialized
	if(XmlHttpObj)
	{
        // 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 = StateChangeHandler;
		
		// define the iteraction with the server -- true for as asynchronous.
		XmlHttpObj.open("GET", requestUrl,  true);
		
		// send request to server, null arg  when using "GET"
		XmlHttpObj.send(null);		
	}
}


// this function called when state of  XmlHttpObj changes
// we're interested in the state that indicates data has been
// received from the server
function StateChangeHandler()
{

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


function StateListOnChange() 
{
    var state = document.getElementById("state");
    var country = document.getElementById("country");
	   //alert(country);
    // get selected continent from dropdown list
    var selectedStateContinent = state.options[state.selectedIndex].value;
    var selectedCountryContinent = country.options[country.selectedIndex].value;
  // var selectedContinent = country.value;
																	//alert("THIS IS CALLED AFTER A STATE IS CHOSEN- timiing issue, will not work if this print is removed"); 
    //alert(selectedStateContinent);
    // url of page that will send xml data back to client browser
    var requestUrl;
    // use the following line if using asp
    //requestUrl = "xml_data_provider.asp" + "?filter=" + encodeURIComponent(selectedContinent);
    // use the following line if using php
     requestUrl = "state_provider.php" + "?country_filter=" + encodeURIComponent(selectedCountryContinent) + "&state_filter=" + encodeURIComponent(selectedStateContinent);
    //alert(requestUrl);
	CreateXmlHttpObj();
	// verify XmlHttpObj variable was successfully initialized
	if(XmlHttpObj)
	{
        // 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 = CityChangeHandler;
		
		// define the iteraction with the server -- true for as asynchronous.
//	XmlHttpObj.open("GET", requestUrl,  true);
		
		// send request to server, null arg  when using "GET"
//	XmlHttpObj.send(null);		
	}
}


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


// populate the contents of the country dropdown list
function PopulateCountryList(countryNode)
{
		//alert("i is in"); 
	var testNodes = countryNode.getElementsByTagName('test');
	if(testNodes.length==0){
		var state = document.getElementById("state");
		// clear the country list 
		for (var count = state.options.length-1; count >-1; count--)
		{
			state.options[count] = null;
						
		}

		var countryNodes = countryNode.getElementsByTagName('country');
		if(countryNodes.length>0){
			var idValue;
			var textValue; 
			var optionItem;
			// populate the dropdown list with data from the xml doc
			
		

		for (var count = 0; count < countryNodes.length; count++)
			{
			
   				textValue = GetInnerText(countryNodes[count]);
				idValue = countryNodes[count].getAttribute("id");
				optionItem = new Option( textValue, idValue,  false, false);
				state.options[state.length] = optionItem;
/* 			alert(textValue);
			alert(countryNodes.length);
			alert(state.options[state.length]);	
			alert(idValue); */
				document.getElementById('state_row').style.visibility ="visible";
				//document.getElementById('city_row').style.visibility ="visible";
				document.getElementById('check_state_exist').style.display='inline';
				//document.getElementById('check_city_exist').style.display='inline';
			}
			
			//document.getElementById('staterdy').value == "OK";
			//alert("mmmm" + document.getElementById('country').value);
/* alert("firsttime" + document.getElementById('firsttime').value );
if(document.getElementById('firsttime').value == "first")
{
alert("firsttime" + document.getElementById('firsttime').innerHTML );
}
 */			//alert("j ... call the bitch here"); 
			
		}else{
			document.getElementById('state_row').style.visibility ="hidden";
			//document.getElementById('city_row').style.visibility ="hidden";
			document.getElementById('check_state_exist').style.display='none';
			//document.getElementById('check_city_exist').style.display='none';
			
		}
	
	}
	
}

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



function PopulateStateList(stateNode)
{
    var city = document.getElementById("city");
	// clear the country list 
	for (var count = city.options.length-1; count >-1; count--)
	{
		city.options[count] = null;
	}

	var stateNodes = stateNode.getElementsByTagName('state');

	var idValue;
	var textValue; 
	var optionItem;
	// populate the dropdown list with data from the xml doc
	for (var count = 0; count < stateNodes.length; count++)
	{
   		textValue = GetInnerText(stateNodes[count]);
		idValue = stateNodes[count].getAttribute("id");
		optionItem = new Option( textValue, idValue,  false, false);
		city.options[city.length] = optionItem;
		
	}
}

function UpdateUserTimeZone(cityval){

	//var city = document.getElementById("city");
    //var selectedCityContinent = city.options[city.selectedIndex].value;
  
    var url = "ajax_update_timezone.php?city="+cityval+"&submit=updatetimezone";
    //alert(url);
	if (window.XMLHttpRequest) {
		req1 = new XMLHttpRequest;
	}else if (window.ActiveXObject) {
   	    req1 = new ActiveXObject("Microsoft.XMLHTTP");
    }//End If

    if (req1) {
   		req1.onreadystatechange = processSaveShutter;
	 	req1.open("GET",url, true);
   	 	req1.send(null);
 	}else{
    	alert("Please use latest version of the current browser to function properly");
	    doesNotSupport = false;
    }//End If
}//End Function		

function processSaveShutter() {
	if (req1.readyState == 4) {
		if (req1.status == 200) {
        	if(req1.responseText){
			   
			}//End If
		}//End If
	}//End If
}//End Function