var initialised
var arrData
var sourceCtl, targetCtl

//index of last selected city
var lastCity = 0

//initialise search engine
function initSearchEng() {

	//frm.city.onchange = cityChange

	sourceCtl = ""
	targetCtl = ""
	arrLoading = new Array("loading...          ")

	arrData = new Array()
	arrData["city"] = new Array()
	//arrData["suburb"] = new Array()

	initialised = false

	//extract default country, city and suburb from cookie
	var cookieArray = document.cookie.split("|")

	for (var i=0; i< cookieArray.length; i++) {
		if (cookieArray[i] == "SearchEng") {
			defCountry = cookieArray[i+1]
			defCity = cookieArray[i+2]
			//defSuburb = cookieArray[i+3]
			break
		}
	}

	//lock form controls
	setAccess(false, frm.country, frm.city)

	//display "loading..." in the controls that will be repopulated
	populateSelect(frm.country, arrLoading, false, false)
	populateSelect(frm.city, arrLoading, false, false)

	//get remote data
	objRS.busy = true
	objRS.getData("GetCountriesOnly", disabled, affID)
}


//set select box text
function setText(ctl, newText) {
	for (var i=0; i< ctl.length; i++) {
		if (ctl[i].text == newText) {
			ctl[i].selected = true
			ctl.selectedIndex = i
			return true
		}
	}

	return false
}


//get select box's text
function getText(selBox) {
	return selBox[selBox.selectedIndex].text
}

//get select box's value
function getValue(selBox) {
	return selBox[selBox.selectedIndex].value
}

//handle country-change event
function countryChange(ctl) {
	//repopulate cities
	sourceCtl = ctl
	targetCtl = frm.city

	lastCity = 0

	ctlChange("GetCitiesOnly")
}



//handle city-change event
function cityChange(ctl) {
	if (getValue(frm.city).substr(1, 3) == "---") {
		frm.city.selectedIndex = lastCity
		return
	}
	
	sourceCtl = ctl
	targetCtl = frm.suburb
	lastCity = frm.city.selectedIndex
	
	ctlChange("HCSearchEngineGetSuburbs")
}



//handle control-change event
function ctlChange(func) {
	var selArray = arrData[targetCtl.name][getValue(sourceCtl)]

	if (typeof(selArray) == "undefined") {
		//lock form controls
		setAccess(false, frm.country, frm.city)

		//display "loading..." in the controls that will be repopulated
		populateSelect(targetCtl, arrLoading, false, false)

		//get remote data
		objRS.busy = true
		//alert(getText(sourceCtl))
		objRS.getData(func, disabled, affID, getValue(sourceCtl))
	
	} else
		rsCallBack(selArray)
}


//remote scripting callback function
function rsCallBack(data) {
	//for ... Netscape 6
	if (typeof(initialised) == "undefined") return

	//stas 24/01/2002
	if (!initialised) {
		//unlock form controls
		setAccess(true, frm.country, frm.city)

		objRS.busy = false

		initialised = true

		//populate countries
		populateSelect(frm.country, data, false, true)

		setValue(frm.country, defCountry)

		countryChange(frm.country)

		return
	}

	//save downloaded data to data array
	arrData[targetCtl.name][getValue(sourceCtl)] = data

	//populate target select box
	populateSelect(targetCtl, data, false, true)

	//unlock form controls
	setAccess(true, frm.country, frm.city)

	objRS.busy = false
}


//populate select box with data
function populateSelect(ctl, data, startBlank, pairs) {
	var startNum = 0
	ctl.length = 0

	if (startBlank) {
		ctl[0] = new Option('')
		startNum = 1
	}

	if (pairs) {
		for (var i=0; i< data.length/2; i++) ctl[i+startNum] = new Option(data[2*i+1], data[2*i])
	} else {
		for (var i=0; i< data.length; i++) ctl[i+startNum] = new Option(data[i])
	}

	ctl[0].selected = true
	ctl.selectedIndex = 0

	//set default and clear it after first use
	if (ctl.name == "city") {
		if (setValue(ctl, defCity)) defCity = ""
	}
}

//set select box value
function setValue(ctl, newValue) {
	for (var i=0; i<ctl.length; i++) {
		if (ctl[i].value == newValue) {
			ctl[i].selected = true
			ctl.selectedIndex = i
			return true
		}
	}

	return false
}



//set access to the passed controls
function setAccess(access, ctls) {
	var ctl

	if (document.layers) {
		for (var i=1; i< arguments.length; i++) {
			ctl = arguments[i]
			if (typeof(ctl) != "object") continue

			if (access)
				ctl.onFocus = ""
			else {
				ctl.onFocus = ctl.blur
				ctl.blur()
			}
		}
	} else {
		for (var i=1; i< arguments.length; i++) {
			ctl = arguments[i]
			if (typeof(ctl) != "object") continue
			ctl.disabled = !access
		}
	}
}


//submit the form
function submitForm(frm) {
	frm.submit()
}


//form redirect url and redirect
function Redir(id, file) {
	var RedirURL = file + id
	top.location = RedirURL
}