function listItemSelected(list1,list2,keepFirst){
	if (list1 && list2 != null){
		if ( list2.selectedIndex >= 0 ){
			list2.originalSelectedValue = list2.options[list2.selectedIndex].value;}
		else{
			list2.originalSelectedValue = "";}	
		clearComboOrList(list2);
		var listValue;
		if ( list1.selectedIndex >= 0 ){
			listValue = list1.id + '=' + list1.options[list1.selectedIndex].value;} 
		else{
			if(keepFirst){
				listValue = list1.id + '=' + list1.options[0].value;}
			else{
				listValue = '';}}
		fillComboBox(list2, listValue);
		if (list2.onchange)	
			list2.onchange();}}
function clearComboOrList(list){
	if (list){
		list.selectedIndex = -1;		
		for (var i = list.options.length - 1; i >= 0; i--){
			list.options[i] = null;}		
		list.selectedIndex = -1;}}	
function fillComboBox(list, listValue){
	if (list){ 
		if (listValue != ''){
			if (this[list.id + 'AssocArray'][listValue]){
				var arrX = this[list.id + 'AssocArray'][listValue];
				for (var i = 0; i < arrX.length; i = i + 2){
					list.options[list.options.length] = new Option(arrX[i + 1], arrX[i]);
					if (list.options[list.options.length-1].value == list.originalSelectedValue){
						list.options[list.options.length-1].selected = true;}}}
			else{
				list.options[0] = new Option('None found', '');}}}}
function addCommandTo(functionName, newCommand){
	var scriptString;
	if (functionName){
		scriptString = new String(functionName);
		if (scriptString.indexOf('{') > 0){
			scriptString = scriptString.substring(scriptString.indexOf('{') + 1, scriptString.lastIndexOf('}') - 1);
			scriptString += newCommand;}} 
	else{
		scriptString = new String(newCommand);}	
	return new Function(scriptString);}