/*
	Ancestral Atlas search widget class
	To be used on third-party websites
*/
aaSearchWidget = function(v_affid, o_options){

	//////////////////////////////////////////////
	// Private properties
	//////////////////////////////////////////////
	var v_hostname = "http://www.ancestralatlas.com/";
	var affid = 0;
	var that = this; 	// Error in ECMA spec means that "this" is incorrectly set for private methods
	var element = null; // DOM element that contains the search form widget
	var wrapper = null; // DOM element that contains the above element - used to grab the innerHTML
	var v_uniqueid = Math.random().toString().substr(2);
	
	//////////////////////////////////////////////
	// Public properties
	//////////////////////////////////////////////
	this.affid = (v_affid || 0);
	this.options = {
		css:				v_hostname + "_cinclude/searchwidget.css.php",
		default_country:	"",
		default_location:	"",
		new_window:			true,
		logo_format:		"jpg",
		include_link:		true
	}
	
	//////////////////////////////////////////////
	// Private methods
	//////////////////////////////////////////////
	
	/*
		Class constructor
	*/
	var constructor = function(o_options){

		// Configure options
		if (o_options){
			if (o_options.css){that.options.css = o_options.css;}
			if (o_options.default_country){that.options.default_country = o_options.default_country;}
			if (o_options.default_location){that.options.default_location = o_options.default_location;}
			if (!(o_options.new_window == undefined)){that.options.new_window = o_options.new_window;}
			if (!(o_options.include_link == undefined)){that.options.include_link = o_options.include_link;}
			if (o_options.logo_format){
				switch (o_options.logo_format){
					case "jpg":
					case "png":
					case "gif":
						that.options.logo_format = o_options.logo_format;
				}
			}
				
		}
		
		// Load CSS file
		loadResourceFile(that.options.css, "css");
		
		// Build form element
		that.wrapper = document.createElement("div");
		that.element = document.createElement("div");
		that.wrapper.appendChild(that.element);
		that.element.id = "aa-sw-" + v_uniqueid;
		that.element.className = "aa-sw-container";
		var v_countryoptions = countryOptions(that.options.default_country);
		var v_newwindow = (that.options.new_window) ? ' target="_blank"': "";
		var v_buffer = '' +
			'<form id="aa-sw-form-' + v_uniqueid + '" action="' +  v_hostname + 'searchwidget.php" method="post"' + v_newwindow + '>\n' +
			'  <fieldset>\n' +
			'    <input type="hidden" id="aa-sw-affid" name="affid" value="' + that.affid + '" />\n' +
			'    <table cellpadding="0" cellspacing="0">\n' +
			'      <tbody>\n' +
			'        <tr>\n' +
			'          <td colspan="2">\n' +
			'            <img src="' + v_hostname + 'images/aalogo225a.' + that.options.logo_format + '" alt="Ancestral Atlas Family History Search" title="" />\n' +
			'            <div>Enter the location where you want to start your own Ancestral Atlas:</div>\n' +
			'          </td>\n' +
			'        </tr>\n' +
			'        <tr>\n' +
			'          <td colspan="2">\n' +
			'            <select id="aa-sw-countrycode" name="countrycode" tabindex="500">' + v_countryoptions + '</select>\n' +
			'          </td>\n' +
			'        </tr>\n' +
			'        <tr>\n' +
			'          <td>\n' +
			'            <input type="text" id="aa-sw-location" name="location" tabindex="510" value="' + that.options.default_location + '" />' +
			'<button type="submit" value=""></button>\n' +
			'          </td>\n' +
			'        </tr>\n';
		if (that.options.include_link){
			v_buffer += '' +
				'        <tr>\n' +
				'          <td colspan="2">\n' +
				'            <a href="' + v_hostname + 'ancestral-atlas-genealogy-mapping-network.php?affid=' + that.affid + '" title="Ancestral Atlas Family History Search" tabindex="520"' + v_newwindow + '>www.ancestralatlas.com</a>\n' +
				'          </td>\n' +
				'        </tr>\n'
		}
		v_buffer += '' +
			'      </tbody>\n' +
			'    </table>\n' +
			'  </fieldset>\n' +
			'</form>\n';
		that.element.innerHTML = v_buffer;	
	
	} // constructor()
	
	/*
		Return a countries array
	*/
	var countryArray = function(){
		return [
			{
				"iso": "",
				"country": "-- Please Choose --"
			},
			{
				"iso": "GB",
				"country": "United Kingdom"
			},
			{
				"iso": "US",
				"country": "United States of America"
			},
			{
				"iso": "AF",
				"country": "Afghanistan"
			},
			{
				"iso": "AX",
				"country": "Aland Islands"
			},
			{
				"iso": "AL",
				"country": "Albania"
			},
			{
				"iso": "DZ",
				"country": "Algeria"
			},
			{
				"iso": "AS",
				"country": "American Samoa"
			},
			{
				"iso": "AD",
				"country": "Andorra"
			},
			{
				"iso": "AO",
				"country": "Angola"
			},
			{
				"iso": "AI",
				"country": "Anguilla"
			},
			{
				"iso": "AQ",
				"country": "Antarctica"
			},
			{
				"iso": "AG",
				"country": "Antigua and Barbuda"
			},
			{
				"iso": "AR",
				"country": "Argentina"
			},
			{
				"iso": "AM",
				"country": "Armenia"
			},
			{
				"iso": "AW",
				"country": "Aruba"
			},
			{
				"iso": "AU",
				"country": "Australia"
			},
			{
				"iso": "AT",
				"country": "Austria"
			},
			{
				"iso": "AZ",
				"country": "Azerbaijan"
			},
			{
				"iso": "BS",
				"country": "Bahamas"
			},
			{
				"iso": "BH",
				"country": "Bahrain"
			},
			{
				"iso": "BD",
				"country": "Bangladesh"
			},
			{
				"iso": "BB",
				"country": "Barbados"
			},
			{
				"iso": "BY",
				"country": "Belarus"
			},
			{
				"iso": "BE",
				"country": "Belgium"
			},
			{
				"iso": "BZ",
				"country": "Belize"
			},
			{
				"iso": "BJ",
				"country": "Benin"
			},
			{
				"iso": "BM",
				"country": "Bermuda"
			},
			{
				"iso": "BT",
				"country": "Bhutan"
			},
			{
				"iso": "BO",
				"country": "Bolivia"
			},
			{
				"iso": "BA",
				"country": "Bosnia and Herzegovina"
			},
			{
				"iso": "BW",
				"country": "Botswana"
			},
			{
				"iso": "BV",
				"country": "Bouvet Island"
			},
			{
				"iso": "BR",
				"country": "Brazil"
			},
			{
				"iso": "IO",
				"country": "British Indian Ocean Territory"
			},
			{
				"iso": "VG",
				"country": "British Virgin Islands"
			},
			{
				"iso": "BN",
				"country": "Brunei"
			},
			{
				"iso": "BG",
				"country": "Bulgaria"
			},
			{
				"iso": "BF",
				"country": "Burkina Faso"
			},
			{
				"iso": "BI",
				"country": "Burundi"
			},
			{
				"iso": "KH",
				"country": "Cambodia"
			},
			{
				"iso": "CM",
				"country": "Cameroon"
			},
			{
				"iso": "CA",
				"country": "Canada"
			},
			{
				"iso": "CV",
				"country": "Cape Verde"
			},
			{
				"iso": "KY",
				"country": "Cayman Islands"
			},
			{
				"iso": "CF",
				"country": "Central African Republic"
			},
			{
				"iso": "TD",
				"country": "Chad"
			},
			{
				"iso": "CL",
				"country": "Chile"
			},
			{
				"iso": "CN",
				"country": "China"
			},
			{
				"iso": "CX",
				"country": "Christmas Island"
			},
			{
				"iso": "CC",
				"country": "Cocos Islands"
			},
			{
				"iso": "CO",
				"country": "Colombia"
			},
			{
				"iso": "KM",
				"country": "Comoros"
			},
			{
				"iso": "CK",
				"country": "Cook Islands"
			},
			{
				"iso": "CR",
				"country": "Costa Rica"
			},
			{
				"iso": "HR",
				"country": "Croatia"
			},
			{
				"iso": "CU",
				"country": "Cuba"
			},
			{
				"iso": "CY",
				"country": "Cyprus"
			},
			{
				"iso": "CZ",
				"country": "Czech Republic"
			},
			{
				"iso": "CD",
				"country": "Democratic Republic of the Congo"
			},
			{
				"iso": "DK",
				"country": "Denmark"
			},
			{
				"iso": "DJ",
				"country": "Djibouti"
			},
			{
				"iso": "DM",
				"country": "Dominica"
			},
			{
				"iso": "DO",
				"country": "Dominican Republic"
			},
			{
				"iso": "TL",
				"country": "East Timor"
			},
			{
				"iso": "EC",
				"country": "Ecuador"
			},
			{
				"iso": "EG",
				"country": "Egypt"
			},
			{
				"iso": "SV",
				"country": "El Salvador"
			},
			{
				"iso": "GQ",
				"country": "Equatorial Guinea"
			},
			{
				"iso": "ER",
				"country": "Eritrea"
			},
			{
				"iso": "EE",
				"country": "Estonia"
			},
			{
				"iso": "ET",
				"country": "Ethiopia"
			},
			{
				"iso": "FK",
				"country": "Falkland Islands"
			},
			{
				"iso": "FO",
				"country": "Faroe Islands"
			},
			{
				"iso": "FJ",
				"country": "Fiji"
			},
			{
				"iso": "FI",
				"country": "Finland"
			},
			{
				"iso": "FR",
				"country": "France"
			},
			{
				"iso": "GF",
				"country": "French Guiana"
			},
			{
				"iso": "PF",
				"country": "French Polynesia"
			},
			{
				"iso": "TF",
				"country": "French Southern Territories"
			},
			{
				"iso": "GA",
				"country": "Gabon"
			},
			{
				"iso": "GM",
				"country": "Gambia"
			},
			{
				"iso": "GE",
				"country": "Georgia"
			},
			{
				"iso": "DE",
				"country": "Germany"
			},
			{
				"iso": "GH",
				"country": "Ghana"
			},
			{
				"iso": "GI",
				"country": "Gibraltar"
			},
			{
				"iso": "GR",
				"country": "Greece"
			},
			{
				"iso": "GL",
				"country": "Greenland"
			},
			{
				"iso": "GD",
				"country": "Grenada"
			},
			{
				"iso": "GP",
				"country": "Guadeloupe"
			},
			{
				"iso": "GU",
				"country": "Guam"
			},
			{
				"iso": "GT",
				"country": "Guatemala"
			},
			{
				"iso": "GG",
				"country": "Guernsey"
			},
			{
				"iso": "GN",
				"country": "Guinea"
			},
			{
				"iso": "GW",
				"country": "Guinea-Bissau"
			},
			{
				"iso": "GY",
				"country": "Guyana"
			},
			{
				"iso": "HT",
				"country": "Haiti"
			},
			{
				"iso": "HM",
				"country": "Heard Island and McDonald Islands"
			},
			{
				"iso": "HN",
				"country": "Honduras"
			},
			{
				"iso": "HK",
				"country": "Hong Kong"
			},
			{
				"iso": "HU",
				"country": "Hungary"
			},
			{
				"iso": "IS",
				"country": "Iceland"
			},
			{
				"iso": "IN",
				"country": "India"
			},
			{
				"iso": "ID",
				"country": "Indonesia"
			},
			{
				"iso": "IR",
				"country": "Iran"
			},
			{
				"iso": "IQ",
				"country": "Iraq"
			},
			{
				"iso": "IE",
				"country": "Ireland"
			},
			{
				"iso": "IM",
				"country": "Isle of Man"
			},
			{
				"iso": "IL",
				"country": "Israel"
			},
			{
				"iso": "IT",
				"country": "Italy"
			},
			{
				"iso": "CI",
				"country": "Ivory Coast"
			},
			{
				"iso": "JM",
				"country": "Jamaica"
			},
			{
				"iso": "JP",
				"country": "Japan"
			},
			{
				"iso": "JE",
				"country": "Jersey"
			},
			{
				"iso": "JO",
				"country": "Jordan"
			},
			{
				"iso": "KZ",
				"country": "Kazakhstan"
			},
			{
				"iso": "KE",
				"country": "Kenya"
			},
			{
				"iso": "KI",
				"country": "Kiribati"
			},
			{
				"iso": "KW",
				"country": "Kuwait"
			},
			{
				"iso": "KG",
				"country": "Kyrgyzstan"
			},
			{
				"iso": "LA",
				"country": "Laos"
			},
			{
				"iso": "LV",
				"country": "Latvia"
			},
			{
				"iso": "LB",
				"country": "Lebanon"
			},
			{
				"iso": "LS",
				"country": "Lesotho"
			},
			{
				"iso": "LR",
				"country": "Liberia"
			},
			{
				"iso": "LY",
				"country": "Libya"
			},
			{
				"iso": "LI",
				"country": "Liechtenstein"
			},
			{
				"iso": "LT",
				"country": "Lithuania"
			},
			{
				"iso": "LU",
				"country": "Luxembourg"
			},
			{
				"iso": "MO",
				"country": "Macao"
			},
			{
				"iso": "MK",
				"country": "Macedonia"
			},
			{
				"iso": "MG",
				"country": "Madagascar"
			},
			{
				"iso": "MW",
				"country": "Malawi"
			},
			{
				"iso": "MY",
				"country": "Malaysia"
			},
			{
				"iso": "MV",
				"country": "Maldives"
			},
			{
				"iso": "ML",
				"country": "Mali"
			},
			{
				"iso": "MT",
				"country": "Malta"
			},
			{
				"iso": "MH",
				"country": "Marshall Islands"
			},
			{
				"iso": "MQ",
				"country": "Martinique"
			},
			{
				"iso": "MR",
				"country": "Mauritania"
			},
			{
				"iso": "MU",
				"country": "Mauritius"
			},
			{
				"iso": "YT",
				"country": "Mayotte"
			},
			{
				"iso": "MX",
				"country": "Mexico"
			},
			{
				"iso": "FM",
				"country": "Micronesia"
			},
			{
				"iso": "MD",
				"country": "Moldova"
			},
			{
				"iso": "MC",
				"country": "Monaco"
			},
			{
				"iso": "MN",
				"country": "Mongolia"
			},
			{
				"iso": "ME",
				"country": "Montenegro"
			},
			{
				"iso": "MS",
				"country": "Montserrat"
			},
			{
				"iso": "MA",
				"country": "Morocco"
			},
			{
				"iso": "MZ",
				"country": "Mozambique"
			},
			{
				"iso": "MM",
				"country": "Myanmar"
			},
			{
				"iso": "NA",
				"country": "Namibia"
			},
			{
				"iso": "NR",
				"country": "Nauru"
			},
			{
				"iso": "NP",
				"country": "Nepal"
			},
			{
				"iso": "NL",
				"country": "Netherlands"
			},
			{
				"iso": "AN",
				"country": "Netherlands Antilles"
			},
			{
				"iso": "NC",
				"country": "New Caledonia"
			},
			{
				"iso": "NZ",
				"country": "New Zealand"
			},
			{
				"iso": "NI",
				"country": "Nicaragua"
			},
			{
				"iso": "NE",
				"country": "Niger"
			},
			{
				"iso": "NG",
				"country": "Nigeria"
			},
			{
				"iso": "NU",
				"country": "Niue"
			},
			{
				"iso": "NF",
				"country": "Norfolk Island"
			},
			{
				"iso": "KP",
				"country": "North Korea"
			},
			{
				"iso": "MP",
				"country": "Northern Mariana Islands"
			},
			{
				"iso": "NO",
				"country": "Norway"
			},
			{
				"iso": "OM",
				"country": "Oman"
			},
			{
				"iso": "PK",
				"country": "Pakistan"
			},
			{
				"iso": "PW",
				"country": "Palau"
			},
			{
				"iso": "PS",
				"country": "Palestinian Territory"
			},
			{
				"iso": "PA",
				"country": "Panama"
			},
			{
				"iso": "PG",
				"country": "Papua New Guinea"
			},
			{
				"iso": "PY",
				"country": "Paraguay"
			},
			{
				"iso": "PE",
				"country": "Peru"
			},
			{
				"iso": "PH",
				"country": "Philippines"
			},
			{
				"iso": "PN",
				"country": "Pitcairn"
			},
			{
				"iso": "PL",
				"country": "Poland"
			},
			{
				"iso": "PT",
				"country": "Portugal"
			},
			{
				"iso": "PR",
				"country": "Puerto Rico"
			},
			{
				"iso": "QA",
				"country": "Qatar"
			},
			{
				"iso": "CG",
				"country": "Republic of the Congo"
			},
			{
				"iso": "RE",
				"country": "Reunion"
			},
			{
				"iso": "RO",
				"country": "Romania"
			},
			{
				"iso": "RU",
				"country": "Russia"
			},
			{
				"iso": "RW",
				"country": "Rwanda"
			},
			{
				"iso": "BL",
				"country": "Saint Barthélemy"
			},
			{
				"iso": "SH",
				"country": "Saint Helena"
			},
			{
				"iso": "KN",
				"country": "Saint Kitts and Nevis"
			},
			{
				"iso": "LC",
				"country": "Saint Lucia"
			},
			{
				"iso": "MF",
				"country": "Saint Martin"
			},
			{
				"iso": "PM",
				"country": "Saint Pierre and Miquelon"
			},
			{
				"iso": "VC",
				"country": "Saint Vincent and the Grenadines"
			},
			{
				"iso": "WS",
				"country": "Samoa"
			},
			{
				"iso": "SM",
				"country": "San Marino"
			},
			{
				"iso": "ST",
				"country": "Sao Tome and Principe"
			},
			{
				"iso": "SA",
				"country": "Saudi Arabia"
			},
			{
				"iso": "SN",
				"country": "Senegal"
			},
			{
				"iso": "RS",
				"country": "Serbia"
			},
			{
				"iso": "CS",
				"country": "Serbia and Montenegro"
			},
			{
				"iso": "SC",
				"country": "Seychelles"
			},
			{
				"iso": "SL",
				"country": "Sierra Leone"
			},
			{
				"iso": "SG",
				"country": "Singapore"
			},
			{
				"iso": "SK",
				"country": "Slovakia"
			},
			{
				"iso": "SI",
				"country": "Slovenia"
			},
			{
				"iso": "SB",
				"country": "Solomon Islands"
			},
			{
				"iso": "SO",
				"country": "Somalia"
			},
			{
				"iso": "ZA",
				"country": "South Africa"
			},
			{
				"iso": "GS",
				"country": "South Georgia and the South Sandwich Islands"
			},
			{
				"iso": "KR",
				"country": "South Korea"
			},
			{
				"iso": "ES",
				"country": "Spain"
			},
			{
				"iso": "LK",
				"country": "Sri Lanka"
			},
			{
				"iso": "SD",
				"country": "Sudan"
			},
			{
				"iso": "SR",
				"country": "Suriname"
			},
			{
				"iso": "SJ",
				"country": "Svalbard and Jan Mayen"
			},
			{
				"iso": "SZ",
				"country": "Swaziland"
			},
			{
				"iso": "SE",
				"country": "Sweden"
			},
			{
				"iso": "CH",
				"country": "Switzerland"
			},
			{
				"iso": "SY",
				"country": "Syria"
			},
			{
				"iso": "TW",
				"country": "Taiwan"
			},
			{
				"iso": "TJ",
				"country": "Tajikistan"
			},
			{
				"iso": "TZ",
				"country": "Tanzania"
			},
			{
				"iso": "TH",
				"country": "Thailand"
			},
			{
				"iso": "TG",
				"country": "Togo"
			},
			{
				"iso": "TK",
				"country": "Tokelau"
			},
			{
				"iso": "TO",
				"country": "Tonga"
			},
			{
				"iso": "TT",
				"country": "Trinidad and Tobago"
			},
			{
				"iso": "TN",
				"country": "Tunisia"
			},
			{
				"iso": "TR",
				"country": "Turkey"
			},
			{
				"iso": "TM",
				"country": "Turkmenistan"
			},
			{
				"iso": "TC",
				"country": "Turks and Caicos Islands"
			},
			{
				"iso": "TV",
				"country": "Tuvalu"
			},
			{
				"iso": "VI",
				"country": "U.S. Virgin Islands"
			},
			{
				"iso": "UG",
				"country": "Uganda"
			},
			{
				"iso": "UA",
				"country": "Ukraine"
			},
			{
				"iso": "AE",
				"country": "United Arab Emirates"
			},
			{
				"iso": "UM",
				"country": "United States Minor Outlying Islands"
			},
			{
				"iso": "UY",
				"country": "Uruguay"
			},
			{
				"iso": "UZ",
				"country": "Uzbekistan"
			},
			{
				"iso": "VU",
				"country": "Vanuatu"
			},
			{
				"iso": "VA",
				"country": "Vatican"
			},
			{
				"iso": "VE",
				"country": "Venezuela"
			},
			{
				"iso": "VN",
				"country": "Vietnam"
			},
			{
				"iso": "WF",
				"country": "Wallis and Futuna"
			},
			{
				"iso": "EH",
				"country": "Western Sahara"
			},
			{
				"iso": "YE",
				"country": "Yemen"
			},
			{
				"iso": "ZM",
				"country": "Zambia"
			},
			{
				"iso": "ZW",
				"country": "Zimbabwe"
			}
		];
	} // countryArray()
	
	/*
		Return a string list of <options> for countries
	*/
	var countryOptions = function(v_selected){
		var a_countries = countryArray();
		var v_buffer = "";
		for (var i = 0; i < a_countries.length; i++){
			var o_country = a_countries[i];
			if (o_country){
				var v_sel = (v_selected == o_country.iso) ? ' selected="selected"': '';
				v_buffer += '<option value="' + o_country.iso + '"' + v_sel + 
					'>' + o_country.country + '</option>';
			}
		}
		return v_buffer;
	} // countryOptions()
	
	/*
		Load an external resource file
	*/
	var loadResourceFile = function(v_filename, v_filetype){
		switch (v_filetype){
			case "js":
				var o_fileref = document.createElement('script');
				o_fileref.setAttribute("type","text/javascript");
				o_fileref.setAttribute("src", v_filename);
				break;
			case "css":
				var o_fileref = document.createElement("link");
				o_fileref.setAttribute("rel", "stylesheet");
				o_fileref.setAttribute("type", "text/css");
				o_fileref.setAttribute("href", v_filename);
				break;
			default:
				throw("Invalid resource file type.");
				return false;
		}
		document.getElementsByTagName("head")[0].appendChild(o_fileref);
		return true;
	} // loadResourceFile()
	
	//////////////////////////////////////////////
	// Public methods
	//////////////////////////////////////////////

	/*
		Display the markup for the search widget
	*/
	this.display = function(){
		if (this.element){
		
			// Write out the widget
			document.write (this.wrapper.innerHTML);
			
			// Turn the non-xhtml compliant autocomplete attribute off
			var o_form = document.getElementById("aa-sw-form-" + v_uniqueid);
			if (o_form){o_form.setAttribute("autocomplete", "off");}
			
		}
		return this;
	} // this.display()
	
	// Execute constructor
	constructor(o_options); return this;
	
} // aaSearchWidget()