// This javascript file helps with region selection on html forms

var country_caption_id;
var state_caption_id;
var city_caption_id;

var country_drop_down_id;

var us_states_div_id;
var us_states_drop_id;

var canada_states_div_id;
var canada_states_drop_id;

var city_text_box_div_id;
var city_hawaii_div_id;
var city_international_city_div_id;

var city_text_box_id;
var city_hawaii_select_id;
var city_international_city_select_id;

//These cars will be set by this script
var current_id_of_city_value;
var current_id_of_state_value;

function change_country()
{
	if(document.getElementById(country_drop_down_id).value == 'US')
	{
		//Chose US	
		//Reset Drop Downs to Default
		document.getElementById(canada_states_drop_id).selectedIndex = 0;
		document.getElementById(city_international_city_select_id).selectedIndex = 0;
		document.getElementById(city_hawaii_select_id).selectedIndex = 0;
		document.getElementById(us_states_drop_id).selectedIndex = 0;
		document.getElementById(canada_states_drop_id).disabled = true;
		document.getElementById(city_text_box_id).disabled = false;
		document.getElementById(city_international_city_select_id).disabled = true;
		
		//Hide Layers
		document.getElementById(canada_states_div_id).style.display='none';
		document.getElementById(city_international_city_div_id).style.display='none';
		document.getElementById(city_hawaii_div_id).style.display='none';

		//Show US Layers
		document.getElementById(us_states_div_id).style.display='block';
		document.getElementById(city_text_box_div_id).style.display='block';
		document.getElementById(us_states_drop_id).disabled=false;
		
		//Change State Caption
		document.getElementById(state_caption_id).innerHTML = 'State';
		
		current_id_of_city_value = city_text_box_id;
		current_id_of_state_value = us_states_drop_id;
	}
	else if(document.getElementById(country_drop_down_id).value == 'CA')
	{
		//Chose Canada
		//Reset Drop Downs to Default
		document.getElementById(canada_states_drop_id).selectedIndex = 0;
		document.getElementById(city_international_city_select_id).selectedIndex = 0;
		document.getElementById(city_hawaii_select_id).selectedIndex = 0;
		document.getElementById(us_states_drop_id).selectedIndex = 0;
		document.getElementById(us_states_drop_id).disabled = true;
		document.getElementById(city_international_city_select_id).disabled = true;
		
		//Hide Layers
		document.getElementById(us_states_div_id).style.display='none';
		document.getElementById(city_international_city_div_id).style.display='none';
		document.getElementById(city_hawaii_div_id).style.display='none';

		//Show Canada Layers
		document.getElementById(canada_states_div_id).style.display='block';
		document.getElementById(city_text_box_div_id).style.display='block';
		
		//Change State Caption
		document.getElementById(state_caption_id).innerHTML = 'Province';

		current_id_of_city_value = city_text_box_id;
		current_id_of_state_value = canada_states_drop_id;
	}
	else
	{
		//Chose International Country	
		//Reset Drop Downs to Default
		document.getElementById(canada_states_drop_id).selectedIndex = 0;
		document.getElementById(city_international_city_select_id).selectedIndex = 0;
		document.getElementById(city_hawaii_select_id).selectedIndex = 0;
		document.getElementById(us_states_drop_id).selectedIndex = 0;
		document.getElementById(city_international_city_select_id).disabled = false;
		
		//Hide Layers
		document.getElementById(canada_states_div_id).style.display='none';
		document.getElementById(city_text_box_div_id).style.display='none';
		document.getElementById(city_hawaii_div_id).style.display='none';

		//Show International Layers
		document.getElementById(us_states_div_id).style.display='block';
		document.getElementById(city_international_city_div_id).style.display='block';

		//Disable Fields
		document.getElementById(us_states_drop_id).disabled = true;
		document.getElementById(canada_states_drop_id).disabled = true;
		
		//Change State Caption
		document.getElementById(state_caption_id).innerHTML = 'State';
		
		//Fill In International Cities
		var _select = document.getElementById(city_international_city_select_id);
		
		if(_select.length > 0)
		{
			while(_select.hasChildNodes())
			{
				for(var i = 0; i < _select.childNodes.length; i++)
				{
					_select.removeChild(_select.firstChild);
				}
			}
		}
	
		get_ajax('/includes/ajax_data_servers/international_cities_for_country.xml.php?country=' + URLEncode(document.getElementById(country_drop_down_id).value), 'GET', false);
		
		var form_element = document.getElementById(city_international_city_select_id);
	
		addSelectOption(form_element, '- Select All -', 'all');
		
		if(num_of_records > 1)
		{
			for (var i = 0; i < num_of_records; i++) {
				if(get_xml_field('cityname', i).length > 1)
				{
					addSelectOption(form_element, get_xml_field('cityname', i), get_xml_field('cityname', i));
				}
			}
		}
		// Finished filling int cities
		
		current_id_of_city_value = city_international_city_select_id;
		current_id_of_state_value = us_states_drop_id;
	}
	
	return true;
}

function change_state()
{
	if(document.getElementById(country_drop_down_id).value == 'US')
	{
		if(document.getElementById(us_states_drop_id).value != 'HI')
		{
			//Reset Drop Downs to Default
			document.getElementById(city_international_city_select_id).selectedIndex = 0;
			document.getElementById(city_hawaii_select_id).selectedIndex = 0;
			document.getElementById(city_text_box_id).disabled = false;
			document.getElementById(city_hawaii_select_id).disabled = true;

			//Hide Layers
			document.getElementById(city_international_city_div_id).style.display='none';
			document.getElementById(city_hawaii_div_id).style.display='none';
			
			//Show Layers
			document.getElementById(city_text_box_div_id).style.display='block';
	
			current_id_of_city_value = city_text_box_id;
			current_id_of_state_value = us_states_drop_id;
		}
		else
		{
			//Reset Drop Downs to Default
			document.getElementById(canada_states_drop_id).selectedIndex = 0;
			document.getElementById(city_international_city_select_id).selectedIndex = 0;
			document.getElementById(city_text_box_id).value = '';
			document.getElementById(city_text_box_id).disabled = true;
			document.getElementById(city_hawaii_select_id).disabled = false;

			//Hide Layers
			document.getElementById(city_international_city_div_id).style.display='none';
			document.getElementById(city_text_box_div_id).style.display='none';
			
			//Show Layers
			document.getElementById(city_hawaii_div_id).style.display='block';

			current_id_of_city_value = city_hawaii_select_id;
			current_id_of_state_value = us_states_drop_id;
		}
	}
	else if(document.getElementById(country_drop_down_id).value == 'CA')
	{
		current_id_of_city_value = city_text_box_id;
		current_id_of_state_value = canada_states_drop_id;
	}
	else
	{
		document.getElementById(us_states_drop_id).selectedIndex = 0;
		document.getElementById(us_states_drop_id).disabled=true;
		document.getElementById(city_hawaii_select_id).disabled = true;

		current_id_of_city_value = city_international_city_select_id;
		current_id_of_state_value = us_states_drop_id;
	}
	
	return true;
}