/* $Id: change_states.js,v 1.7.2.5 2007/02/20 11:26:13 max Exp $ */



/*

	Initialization procedure

*/

function init_js_states(obj, state_name, county_name, state_value, county_value, force_run) {

	if (!obj || typeof(state_name) != 'string' || !state_name || !obj.form.elements.namedItem(state_name))

		return false;



	/* Get child objects	*/

	obj.states = obj.form.elements.namedItem(state_name);

	obj.counties = (typeof(county_name) == 'string' && county_name) ? obj.form.elements.namedItem(county_name) : false;



	obj.lastCode = false;

	obj.lastStateCode = false;

	obj.defaultStates = [];

	if (obj.counties)

		obj.defaultCounties = [];



	/* Get default values	*/

	var code = obj.options[obj.selectedIndex].value;

	if (countries[code] && countries[code].states && countries[code].states.length > 0) {

		for (var i in countries[code].states) {

			if (countries[code].states[i].code == state_value) {



				/* Save default state	*/

				obj.defaultStates[code] = i;

				if (obj.counties && countries[code].states[i].counties && countries[code].states[i].counties.length > 0) {

					for (var x in countries[code].states[i].counties) {

						if (x == county_value) {



							/* Save default county	*/

							obj.defaultCounties[i] = x;

							break;

						}

					}

				}

				break;

			}

		}

	}



	/* Save state and/or county full name	*/

	if (!obj.defaultStates[code]) {

		obj.defaultStateFull = state_value;

		obj.defaultCountyFull = county_value;

	} else if (obj.counties && !obj.defaultCounties[obj.defaultStates[code]]) {

		obj.defaultCountyFull = county_value;

	}



	obj.states.countries = obj;

	obj.statesName = state_name;

	if (obj.counties) {

		obj.counties.countries = obj;

		obj.countiesName = county_name;

	}



	/* Define handler for onchange events	*/

	if (obj.onchange)	

		obj.oldOnchange = obj.onchange;

	obj.onchange = change_states;



	if (obj.states.onchange)	

		obj.oldStatesOnchange = obj.states.onchange;

	obj.states.onchange = change_counties;



	if (obj.counties && obj.counties.onchange) {

		obj.oldCountiesOnchange = obj.counties.onchange;

	}



	/* Object settings	*/

	obj.statesInputSize = 32;

	obj.statesInputMaxLength = false;

	obj.statesSpanClass = "SmallText";

	obj.statesSpanStyle = false;

	obj.statesSelectClass = false;

	obj.statesSelectStyle = false;

	obj.statesInputClass = false;

	obj.statesInputStyle = false;

	obj.statesNoStates = window.txt_no_states ? txt_no_states : false;

	obj.countiesNoCounties = window.txt_no_counties ? txt_no_counties : false;



	if (force_run) {

		start_js_states(document.getElementById(obj.id));



	} else if (window.addEventListener) {

		window.addEventListener("load", new Function('', "start_js_states(document.getElementById('"+obj.id+"'))"), false);



	} else if (window.attachEvent) {

		window.attachEvent("onload", new Function('', "start_js_states(document.getElementById('"+obj.id+"'))"));



	} else if (localBFamily != 'MSIE' || (localPlatform != 'MacPPC' && localPlatform != 'Mac')) {

		if (window.onload)

			window.oldOnload = window.onload;

		window.onload = new Function('', "if (this.oldOnload) this.oldOnload(); start_js_states(document.getElementById('"+obj.id+"'))");



	} else {

		setTimeout("start_js_states(document.getElementById('"+obj.id+"'))", 3000);



	}



	check_countries(obj);



	return obj;

}



/*

	Initial object run

*/

function start_js_states(obj) {

	if (obj && obj.onchange) {

		if (localBFamily == 'Opera') {

			var p = obj;

			while (p.parentNode) {

				if (p.style.display == 'none') {

					return;

				}

				p = p.parentNode;

			}

		}



		obj.onchange();

	}

}



/*

	Change states list

*/

function change_states() {

	var code = this.options[this.selectedIndex].value;



	/* Detect input box type and get default value	*/

	if (this.states.tagName.toUpperCase() == 'SPAN') {

		var type = false;



	} else if (this.states.tagName.toUpperCase() == 'SELECT') {

		var type = 'S';

		if (this.lastCode && countries[this.lastCode] && countries[this.lastCode].states && countries[this.lastCode].states.length > 0) {

			for (var i in countries[this.lastCode].states) {

				if (countries[this.lastCode].states[i].code == this.states.options[this.states.selectedIndex].value) {

					this.defaultStates[this.lastCode] = i;

					break;

				}

			}

		}



	} else if (this.states.tagName.toUpperCase() == 'INPUT') {

		var type = 'I';

		this.defaultStateFull = this.states.value;



	} else {

		return true;

	}



	if (countries[code].states === false) {

		/* If current country hasn't any states	*/

		if (type !== false) {

			this.states = tag_replace(this.states, "SPAN");

			if (this.statesNoStates)

				this.states.innerHTML = this.statesNoStates;

			if (this.statesSpanClass)

				this.states.className = this.statesSpanClass;

			this.states.countries = this;

			this.states.onchange = change_counties;

		}



	} else if (countries[code].states.length == 0) {

		/* If current country has empty states list	*/

		if (type != "I") {

			this.states = tag_replace(this.states, "INPUT", this.statesName);

			if (this.statesInputSize)

				this.states.size = this.statesInputSize;

			if (this.statesInputMaxLength)

				this.states.maxLength = this.statesInputMaxLength;

			if (this.statesInputClass)

				this.states.className = this.statesInputClass;

			this.states.countries = this;

			this.states.onchange = change_counties;

			this.states.oldOnchange = this.oldStatesOnchange;

		}

		if (this.defaultStateFull)

			this.states.value = this.defaultStateFull;



	} else if (countries[code].states.length > 0) {

		/* If current country has states list	*/

		if (type != "S") {

			this.states = tag_replace(this.states, "SELECT", this.statesName);

			if (this.statesSelectClass)

				this.states.className = this.statesSelectClass;

			this.states.countries = this;

			this.states.onchange = change_counties;

			this.states.oldOnchange = this.oldStatesOnchange;



		}



		/* States list cleaning	*/

		if ((this.lastCode != code || states_sort_override) && type == 'S') {

			while (this.states.options.length > 0)

				this.states.options[this.states.options.length-1] = null;

		}



		if (type != 'S' || this.lastCode != code) {

			/* Fill states list	*/

			if (states_sort_override) {



				/* Sort	*/

				var tmp = [];

				for (var i in countries[code].states) {

					tmp[i] = {

						name: countries[code].states[i].name,

						code: countries[code].states[i].code,

						order: countries[code].states[i].order,

						idx: i

					};

				}

				tmp.sort(sort_states);



				/* Fill list	*/

				for (var i in tmp) {

					if (!tmp[i])

						continue;



					this.states.options[this.states.options.length] = new Option(tmp[i].name, tmp[i].code);

					if (this.defaultStates[code] == tmp[i].idx) {

						this.states.options[this.states.options.length-1].selected = true;

						this.states.selectedIndex = this.states.options.length-1;

					}

				}



				/* Set default state	*/

			} else {

				for (var i in countries[code].states) {

					this.states.options[this.states.options.length] = new Option(countries[code].states[i].name, countries[code].states[i].code);

					if (this.defaultStates[code] == i)

						this.states.options[this.states.options.length-1].selected = true;

				}

			}



		} else if (this.defaultStates[code] && countries[code].states[this.defaultStates[code]]) {

			/* Set default state	*/

			for (var i = 0; i < this.states.options.length; i++) {

				if (this.states.options[i].value == countries[code].states[this.defaultStates[code]].code) {

					this.states.options[i].selected = true;

					this.states.selectedIndex = i;

					break;

				}

			}		



		} else {

			this.states.options[0].selected = true;

			this.states.selectedIndex = 0;

		}

	}



	/* Call old onchange event handler	*/

	if (this.oldOnchange)

		this.oldOnchange();



	/* Call counties rebuild procedure	*/

	if (this.states.onchange)

		this.states.onchange();



	this.oldSelectedIndex = this.selectedIndex;



	this.lastCode = code;



}



/*

	Change counties list

*/

function change_counties() {

	if (!this.countries || !this.countries.counties)

		return true;



	var counties = this.countries.counties;

	var code = this.countries.options[this.countries.selectedIndex].value;

	var scode = false;

	if (this.options && countries[code].states && countries[code].states.length > 0 && this.options[this.selectedIndex]) {

		for (var i in countries[code].states) {

			if (countries[code].states[i].code == this.options[this.selectedIndex].value) {

				scode = i;

				break;

			}

		}

	} else if (this.tagName.toUpperCase() == "INPUT") {

		scode = 0;

	}



	/* Detect input box type and get default value	*/

	if (counties.tagName.toUpperCase() == 'SPAN') {

		var type = false;



	} else if (counties.tagName.toUpperCase() == 'SELECT') {

		var type = 'S';

		if (this.countries.lastCode && this.countries.lastStateCode && countries[this.countries.lastCode] && countries[this.countries.lastCode].states && countries[this.countries.lastCode].states[this.countries.lastStateCode] && countries[this.countries.lastCode].states[this.countries.lastStateCode].counties && countries[this.countries.lastCode].states[this.countries.lastStateCode].counties.length > 0) {

			for (var i in countries[this.countries.lastCode].states[this.countries.lastStateCode].counties) {

				if (i == counties.options[counties.selectedIndex].value) {

					this.countries.defaultCounties[this.countries.lastStateCode] = i;

					break;

				}

			}

		}



	} else if (counties.tagName.toUpperCase() == 'INPUT') {

		var type = 'I';

		this.countries.defaultCountyFull = counties.value;



	} else {

		return true;

	}



	if (scode === false) {

		/* If current country hasn't any states	and counties	*/

		if (type !== false) {

			this.countries.counties = counties = tag_replace(counties, "SPAN");

			if (this.countries.countiesNoCounties)

				counties.innerHTML = this.countries.countiesNoCounties;

			if (this.countries.statesSpanClass)

				counties.className = this.countries.statesSpanClass;

		}



	} else if (!countries[code].states[scode] || countries[code].states[scode].counties.length == 0) {

		/* If current country hasn't states	or current state hasn't counties list */

		if (type != "I") {

			this.countries.counties = counties = tag_replace(counties, "INPUT", this.countries.countiesName);

			if (this.countries.statesInputSize)

				counties.size = this.countries.statesInputSize;

			if (this.countries.statesInputMaxLength)

				counties.maxLength = this.countries.statesInputMaxLength;

			if (this.countries.statesInputClass)

				counties.className = this.countries.statesInputClass;

			if (this.countries.oldCountiesOnchange)

				counties.onchange = this.countries.oldCountiesOnchange;

		}

		if (this.countries.defaultCountyFull)

			counties.value = this.countries.defaultCountyFull;



	} else if (countries[code].states[scode].counties.length > 0) {

		/* If current state has counties list	*/

		if (type != "S") {

			this.countries.counties = counties = tag_replace(counties, "SELECT", this.countries.countiesName);

			if (this.countries.statesSelectClass)

				counties.className = this.countries.statesSelectClass;

			if (this.countries.oldCountiesOnchange)

				counties.onchange = this.countries.oldCountiesOnchange;

		}



		/* Clear old counties list	*/

		if ((this.countries.lastStateCode != scode || states_sort_override) && type == 'S') {

			while (counties.options.length > 0)

				counties.options[0] = null;

		}



		/* Fill counties list	*/

		if (this.countries.lastStateCode != scode || type != 'S') {



		if (states_sort_override) {



			/* Sort	*/

			var tmp = [];

			for (var i in countries[code].states[scode].counties) {

				tmp[i] = {

					name: countries[code].states[scode].counties[i].name,

					order: countries[code].states[scode].counties[i].order,

					idx: i

				};



			}

			tmp.sort(sort_states);



			/* Fill list	*/

			for (var i in tmp) {

				if (!tmp[i])

					continue;

				counties.options[counties.options.length] = new Option(tmp[i].name, tmp[i].idx);

				if (this.countries.defaultCounties[scode] == tmp[i].idx) {

					counties.options[counties.options.length-1].selected = true;

					counties.selectedIndex = counties.options.length-1;

				}

			}



		} else {

			for (var i in countries[code].states[scode].counties) {

				counties.options[counties.options.length] = new Option(countries[code].states[scode].counties[i].name, i);

				if (this.countries.defaultCounties[scode] == i)

					counties.options[counties.options.length-1].selected = true;

			}

		}



		}

	}



	this.countries.lastStateCode = scode;



	if (this.oldOnchange)

		this.oldOnchange();	



	if (counties.onchange)

		counties.onchange();

}



/*

	Replace tag by tag

*/

function tag_replace(obj, tag, tname) {

	var tmp = obj.parentNode.insertBefore(document.createElement(tag), obj);

	obj.parentNode.removeChild(obj);

	if (obj.name)

		obj.name = '';

	delete obj;

	if (tname)

		tmp.id = tmp.name = tname;

	return tmp;

}



/*

	Sort states and counties (Opera fix)

*/

function sort_states(a, b) {

	if (!a || !b || !a.order || !b.order || a.order == b.order)

		return 0;

	return a.order > b.order ? 1 : -1;

}



/*

	Check countries list (for Google Toolbar Autofill functionality)

*/

function check_countries(obj) {

	if (!obj || !obj.id)

		return;



	if (isset(obj.oldSelectedIndex) && obj.oldSelectedIndex != obj.selectedIndex && obj.onchange)

		obj.onchange();



	obj.oldSelectedIndex = obj.selectedIndex;

	obj.changeStatesTO = setTimeout("check_countries(document.getElementById('"+obj.id+"'));", 1000);

}