/****************************************************************************/
/*																			*/
/* Alphashare Modified For Webkit											*/
/* DO NOT USED STANDARD VERSON FOR WEBKIT VERSION > 6.10.00					*/
/*																			*/
/*	Change history:															*/
/*		30/01/09	Initial implementation									*/
/*																			*/
/*	Functions added:														*/
/*		changePriceBand(obj)												*/
/*																			*/
/*	Functions changed:														*/
/*		DOL_change(obj, usePreselected)										*/
/****************************************************************************/
// WWW: http://www.mattkruse.com/

var dynamicOptionListCount=0;var dynamicOptionListObjects = new Array();
function initDynamicOptionLists(){for(var i=0;i<dynamicOptionListObjects.length;i++){var dol = dynamicOptionListObjects[i];if(dol.formName!=null){dol.form = document.forms[dol.formName];}else if(dol.formIndex!=null){dol.form = document.forms[dol.formIndex];}else{var name = dol.fieldNames[0][0];for(var f=0;f<document.forms.length;f++){if(typeof(document.forms[f][name])!="undefined"){dol.form = document.forms[f];break;}}if(dol.form==null){alert("ERROR: Couldn't find form element "+name+" in any form on the page! Init aborted");return;}}for(var j=0;j<dol.fieldNames.length;j++){for(var k=0;k<dol.fieldNames[j].length-1;k++){var selObj = dol.form[dol.fieldNames[j][k]];if(typeof(selObj)=="undefined"){alert("Select box named "+dol.fieldNames[j][k]+" could not be found in the form. Init aborted");return;}if(k==0){if(selObj.options!=null){for(l=0;l<selObj.options.length;l++){var sopt = selObj.options[l];var m = dol.findMatchingOptionInArray(dol.options,sopt.text,sopt.value,false);if(m!=null){var reselectForNN6 = sopt.selected;var m2 = new Option(sopt.text, sopt.value, sopt.defaultSelected, sopt.selected);m2.selected = sopt.selected;m2.defaultSelected = sopt.defaultSelected;m2.DOLOption = m;selObj.options[l] = m2;selObj.options[l].selected = reselectForNN6;}}}}if(selObj.onchange==null){selObj.onchange = new Function("dynamicOptionListObjects["+dol.index+"].change(this)");}}}}resetDynamicOptionLists();}
function resetDynamicOptionLists(theform){for(var i=0;i<dynamicOptionListObjects.length;i++){var dol = dynamicOptionListObjects[i];if(typeof(theform)=="undefined" || theform==null || theform==dol.form){for(var j=0;j<dol.fieldNames.length;j++){dol.change(dol.form[dol.fieldNames[j][0]],true);}}}}
function DOLOption(text,value,defaultSelected,selected){this.text = text;this.value = value;this.defaultSelected = defaultSelected;this.selected = selected;this.options = new Array();return this;}
function DynamicOptionList(){
	this.form = null;
	this.options = new Array();
	this.longestString = new Array();
	this.numberOfOptions = new Array();
	this.currentNode = null;
	this.currentField = null;
	this.currentNodeDepth = 0;
	this.fieldNames = new Array();
	this.formIndex = null;
	this.formName = null;
	this.fieldListIndexes = new Object();
	this.fieldIndexes = new Object();
	this.selectFirstOption = true;
	this.numberOfOptions = new Array();
	this.longestString = new Array();
	this.values = new Object();
	this.forValue = DOL_forValue;
	this.forText = DOL_forText;
	this.forField = DOL_forField;
	this.forX = DOL_forX;
	this.addOptions = DOL_addOptions;
	this.addOptionsTextValue = DOL_addOptionsTextValue;
	this.setDefaultOptions = DOL_setDefaultOptions;
	this.setValues = DOL_setValues;
	this.setValue = DOL_setValues;
	this.setFormIndex = DOL_setFormIndex;
	this.setFormName = DOL_setFormName;
	this.printOptions = DOL_printOptions;
	this.addDependentFields = DOL_addDependentFields;
	this.change = DOL_change;
	this.child = DOL_child;
	this.selectChildOptions = DOL_selectChildOptions;
	this.populateChild = DOL_populateChild;
	this.change = DOL_change;
	this.addNewOptionToList = DOL_addNewOptionToList;
	this.findMatchingOptionInArray = DOL_findMatchingOptionInArray;
	if(arguments.length > 0){
		for(var i=0;i<arguments.length;i++){
			this.fieldListIndexes[arguments[i].toString()] = this.fieldNames.length;
			this.fieldIndexes[arguments[i].toString()] = i;
		}
		this.fieldNames[this.fieldNames.length] = arguments;
	}
	this.index = window.dynamicOptionListCount++;
	window["dynamicOptionListObjects"][this.index] = this;
}

function DOL_findMatchingOptionInArray(a,text,value,exactMatchRequired){if(a==null || typeof(a)=="undefined"){return null;}var value_match = null;var text_match = null;for(var i=0;i<a.length;i++){var opt = a[i];if(opt.value==value && opt.text==text){return opt;}if(!exactMatchRequired){if(value_match==null && value!=null && opt.value==value){value_match = opt;}if(text_match==null && text!=null && opt.text==text){text_match = opt;}}}return(value_match!=null)?value_match:text_match;}
function DOL_forX(s,type){if(this.currentNode==null){this.currentNodeDepth=0;}var useNode =(this.currentNode==null)?this:this.currentNode;var o = this.findMatchingOptionInArray(useNode["options"],(type=="text")?s:null,(type=="value")?s:null,false);if(o==null){o = new DOLOption(null,null,false,false);o[type] = s;useNode.options[useNode.options.length] = o;}this.currentNode = o;this.currentNodeDepth++;return this;}
function DOL_forValue(s){return this.forX(s,"value");}
function DOL_forText(s){return this.forX(s,"text");}
function DOL_forField(f){this.currentField = f;return this;}
function DOL_addNewOptionToList(a, text, value, defaultSelected){var o = new DOLOption(text,value,defaultSelected,false);if(a==null){a = new Array();}for(var i=0;i<a.length;i++){if(a[i].text==o.text && a[i].value==o.value){if(o.selected){a[i].selected=true;}if(o.defaultSelected){a[i].defaultSelected = true;}return a;}}a[a.length] = o;}
function DOL_addOptions(){if(this.currentNode==null){this.currentNode = this;}if(this.currentNode["options"] == null){this.currentNode["options"] = new Array();}for(var i=0;i<arguments.length;i++){var text = arguments[i];this.addNewOptionToList(this.currentNode.options,text,text,false);if(typeof(this.numberOfOptions[this.currentNodeDepth])=="undefined"){this.numberOfOptions[this.currentNodeDepth]=0;}if(this.currentNode.options.length > this.numberOfOptions[this.currentNodeDepth]){this.numberOfOptions[this.currentNodeDepth] = this.currentNode.options.length;}if(typeof(this.longestString[this.currentNodeDepth])=="undefined" ||(text.length > this.longestString[this.currentNodeDepth].length)){this.longestString[this.currentNodeDepth] = text;}}this.currentNode = null;this.currentNodeDepth = 0;}
function DOL_addOptionsTextValue(){if(this.currentNode==null){this.currentNode = this;}if(this.currentNode["options"] == null){this.currentNode["options"] = new Array();}for(var i=0;i<arguments.length;i++){var text = arguments[i++];var value = arguments[i];this.addNewOptionToList(this.currentNode.options,text,value,false);if(typeof(this.numberOfOptions[this.currentNodeDepth])=="undefined"){this.numberOfOptions[this.currentNodeDepth]=0;}if(this.currentNode.options.length > this.numberOfOptions[this.currentNodeDepth]){this.numberOfOptions[this.currentNodeDepth] = this.currentNode.options.length;}if(typeof(this.longestString[this.currentNodeDepth])=="undefined" ||(text.length > this.longestString[this.currentNodeDepth].length)){this.longestString[this.currentNodeDepth] = text;}}this.currentNode = null;this.currentNodeDepth = 0;}
function DOL_child(obj){var listIndex = this.fieldListIndexes[obj.name];var index = this.fieldIndexes[obj.name];if(index <(this.fieldNames[listIndex].length-1)){return this.form[this.fieldNames[listIndex][index+1]];}return null;}
function DOL_setDefaultOptions(){if(this.currentNode==null){this.currentNode = this;}for(var i=0;i<arguments.length;i++){var o = this.findMatchingOptionInArray(this.currentNode.options,null,arguments[i],false);if(o!=null){o.defaultSelected = true;}}this.currentNode = null;}
function DOL_setValues(){if(this.currentField==null){alert("Can't call setValues() without using forField() first!");return;}if(typeof(this.values[this.currentField])=="undefined"){this.values[this.currentField] = new Object();}for(var i=0;i<arguments.length;i++){this.values[this.currentField][arguments[i]] = true;}this.currentField = null;}
function DOL_setFormIndex(i){this.formIndex = i;}
function DOL_setFormName(n){this.formName = n;}
function DOL_printOptions(name){if((navigator.appName == 'Netscape') &&(parseInt(navigator.appVersion) <= 4)){var index = this.fieldIndexes[name];var ret = "";if(typeof(this.numberOfOptions[index])!="undefined"){for(var i=0;i<this.numberOfOptions[index];i++){ret += "<OPTION>";}}ret += "<OPTION>";if(typeof(this.longestString[index])!="undefined"){for(var i=0;i<this.longestString[index].length;i++){ret += "_";}}document.writeln(ret);}}
function DOL_addDependentFields(){for(var i=0;i<arguments.length;i++){this.fieldListIndexes[arguments[i].toString()] = this.fieldNames.length;this.fieldIndexes[arguments[i].toString()] = i;}this.fieldNames[this.fieldNames.length] = arguments;}

// Function called when a selection is changed
function DOL_change(obj, usePreselected){
	if(usePreselected==null || typeof(usePreselected)=="undefined"){
		usePreselected = false;
	}
	var changedListIndex = this.fieldListIndexes[obj.name];
	var changedIndex = this.fieldIndexes[obj.name];
	var child = this.child(obj);
	if(child == null){
		return;
	}
	if(obj.type == "select-one"){
		if(child.options!=null){
			child.options.length=0;
		}
		if(obj.options!=null && obj.options.length>0 && obj.selectedIndex>=0){
			var o = obj.options[obj.selectedIndex];
			this.populateChild(o.DOLOption,child,usePreselected);
			this.selectChildOptions(child,usePreselected);
		}
	}else if(obj.type == "select-multiple"){
		var currentlySelectedOptions = new Array();
		if(!usePreselected){
			for(var i=0;i<child.options.length;i++){
				var co = child.options[i];
				if(co.selected){
					this.addNewOptionToList(currentlySelectedOptions, co.text, co.value, co.defaultSelected);
				}
			}
		}
		child.options.length=0;
		if(obj.options!=null){
			var obj_o = obj.options;
			for(var i=0;i<obj_o.length;i++){
				if(obj_o[i].selected){
					this.populateChild(obj_o[i].DOLOption,child,usePreselected);
				}
			}
			var atLeastOneSelected = false;
			if(!usePreselected){
				for(var i=0;i<child.options.length;i++){
					var m = this.findMatchingOptionInArray(currentlySelectedOptions,child.options[i].text,child.options[i].value,true);
					if(m!=null){
						child.options[i].selected = true;atLeastOneSelected = true;
					}
				}
			}
			if(!atLeastOneSelected){
				this.selectChildOptions(child,usePreselected);
			}
		}
	}
	this.change(child,usePreselected);

	// Alphashare change for DCC Properties
	if(obj.name == 'lstproperty_area_1') {
		//changePriceBand(obj.value);
	}
	
	// Alphashare change for search filtering
	searchFilter(obj);
}
		
function DOL_populateChild(dolOption,childSelectObj,usePreselected){if(dolOption!=null && dolOption.options!=null){for(var j=0;j<dolOption.options.length;j++){var srcOpt = dolOption.options[j];if(childSelectObj.options==null){childSelectObj.options = new Array();}var duplicate = false;var preSelectedExists = false;for(var k=0;k<childSelectObj.options.length;k++){var csi = childSelectObj.options[k];if(csi.text==srcOpt.text && csi.value==srcOpt.value){duplicate = true;break;}}if(!duplicate){var newopt = new Option(srcOpt.text, srcOpt.value, false, false);newopt.selected = false;newopt.defaultSelected = false;newopt.DOLOption = srcOpt;childSelectObj.options[childSelectObj.options.length] = newopt;}}}}

function DOL_selectChildOptions(obj,usePreselected){var values = this.values[obj.name];var preselectedExists = false;if(usePreselected && values!=null && typeof(values)!="undefined"){for(var i=0;i<obj.options.length;i++){var v = obj.options[i].value;if(v!=null && values[v]!=null && typeof(values[v])!="undefined"){preselectedExists = true;break;}}}var atLeastOneSelected = false;for(var i=0;i<obj.options.length;i++){var o = obj.options[i];if(preselectedExists && o.value!=null && values[o.value]!=null && typeof(values[o.value])!="undefined"){o.selected = true;atLeastOneSelected = true;}else if(!preselectedExists && o.DOLOption!=null && o.DOLOption.defaultSelected){o.selected = true;atLeastOneSelected = true;}else{o.selected = false;}}if(this.selectFirstOption && !atLeastOneSelected && obj.options.length>0){obj.options[0].selected = true;}else if(!atLeastOneSelected &&  obj.type=="select-one"){obj.selectedIndex = -1;}}

/****************************************************************************/
/*																			*/
/* Alphashare special routines												*/
/*																			*/
/*																			*/
/****************************************************************************/

// Change select menus according to search filters
function searchFilter(obj) {
	switch(obj.name) {
		case 'lstproperty_area_1':	// Country
			if(filterState.length > 0) {
				// Loop thru' all States/Provinces in select list
				selectList = document.getElementById("lstproperty_area_2");
				for (i = selectList.length - 1; i>=0; i--) {
					// Check if this option is not to be displayed
					for(j = filterState.length - 1; j>=0; j--) {
						if(selectList.options[i].value == filterState[j]) {selectList.removeChild(selectList.options[i]);}
					}
				}
			}
			break;
		case 'lstproperty_area_2':	// State or Province
			if(filterCity.length > 0) {
				// Loop thru' all City/Towns/Areas in select list
				selectList = document.getElementById("lstproperty_area_3");
				for (i = selectList.length - 1; i>=0; i--) {
					// Check if this option is not to be displayed
					for(j = filterCity.length - 1; j>=0; j--) {
						if(selectList.options[i].value == filterCity[j]) {selectList.removeChild(selectList.options[i]);}
					}
				}
			}
		case 'lstproperty_area_3':	// City/Town/Area
			if(filterSubArea.length > 0) {
				// Loop thru' all Sub-Areas in select list
				selectList = document.getElementById("lstproperty_area_4");
				for (i = selectList.length - 1; i>=0; i--) {
					// Check if this option is not to be displayed
					for(j = filterSubArea.length - 1; j>=0; j--) {
						if(selectList.options[i].value == filterSubArea[j]) {alert('Removing:'+selectList.options[i]);selectList.removeChild(selectList.options[i]);}
					}
				}
			}
			break;
		case 'lstproperty_area_4':	// Sub-area
			// Do nothing
			break;
		default:
	}
}

// Change price band for countries, special for DCC Properties
function changePriceBand(countryID) {
	priceUpperList = document.getElementById("search_property_price_upper");
	priceLowerList = document.getElementById("search_property_price_lower");
		
	// Remove 'No Preference' from Lower Price band if it exists
	if(priceLowerList.options[0].value == "") {
		priceLowerList.removeChild(priceLowerList.options[0]); 
	}
	offset = 0;

	// Special low price band for Bulgaria and Romania
	if((countryID == 4208) || (countryID == 6946)) {
		// Check if low band is set correctly
		if(priceUpperList.options[1].value != 50000) {
			// Low band of 50000 not set, create them
			try{
				priceUpperList.add(new Option("50,000", "50000"), priceUpperList.options[1]); 
				priceLowerList.add(new Option("50,000", "50000"), priceLowerList.options[offset]); 
			}
			catch(e){
				priceUpperList.add(new Option("50,000", "50000"), 1);
				priceLowerList.add(new Option("50,000", "50000"), offset);
			}
			// Select the new lower band
			priceLowerList.options[offset].selected = true;
		}
	} else {
		if(priceUpperList.options[1].value == 50000) {
			// Low band of 50000 is set, remove them
			priceUpperList.removeChild(priceUpperList.options[1]); 
			priceLowerList.removeChild(priceLowerList.options[offset]);
		}
	}
	
}