if (typeof(Wicket) == "undefined")
Wicket = { };
Wicket.AutoCompleteSettings =
{
enterHidesWithNoSelection : false
};
Wicket.AutoComplete=function(elementId, callbackUrl, preselect){
var KEY_TAB=9;
var KEY_ENTER=13;
var KEY_ESC=27;
var KEY_LEFT=37;
var KEY_UP=38;
var KEY_RIGHT=39;
var KEY_DOWN=40;
var KEY_SHIFT=16;
var KEY_CTRL=17;
var KEY_ALT=18;
var selected=-1;

var elementCount=0; 
var visible=0;

var mouseactive=0;		var	hidingAutocomplete=0;


var objonkeydown;
var objonblur;
var objonkeyup;
var objonkeypress;
var objonchange;
function initialize(){
var obj=wicketGet(elementId);
objonkeydown = obj.onkeydown;
objonblur = obj.onblur;
objonkeyup = obj.onkeyup;
objonkeypress = obj.onkeypress;
objonchange = obj.onchange;
obj.onblur=function(event){
if(mouseactive==1)return false;
hideAutoComplete();
}
obj.onkeydown=function(event){
switch(wicketKeyCode(Wicket.fixEvent(event))){
case KEY_UP:
if(selected>-1)selected--;
if(selected==-1){
hideAutoComplete();
} else {
render();
}
if(navigator.appVersion.indexOf('AppleWebKit')>0)return killEvent(event);
break;
case KEY_DOWN:
if(selected<elementCount-1){
selected++;
}
if(visible==0){
updateChoices();
} else {
render();
showAutoComplete();
}
if(navigator.appVersion.indexOf('AppleWebKit')>0)return killEvent(event);
break;
case KEY_ESC:
hideAutoComplete();
return killEvent(event);
break;
case KEY_ENTER:
if(selected>-1){
obj.value=getSelectedValue();
hideAutoComplete();
hidingAutocomplete=1;
} else if (Wicket.AutoCompleteSettings.enterHidesWithNoSelection == true) {
hideAutoComplete();
hidingAutocomplete=1;
}
if(typeof objonkeydown == "function")objonkeydown();
if(typeof objonchange == "function")objonchange();
if(selected>-1){

}
return true;
break;
default:
}
}
obj.onkeyup=function(event){
switch(wicketKeyCode(Wicket.fixEvent(event))){
case KEY_ENTER:
return killEvent(event);
case KEY_UP:
case KEY_DOWN:
case KEY_ESC:
case KEY_TAB:
case KEY_RIGHT:
case KEY_LEFT:
case KEY_SHIFT:
case KEY_ALT:
case KEY_CTRL:
break;
default:
updateChoices();
}
if(typeof objonkeyup == "function")objonkeyup();
return null;
}
obj.onkeypress=function(event){
if(wicketKeyCode(Wicket.fixEvent(event))==KEY_ENTER){
if(selected>-1 || hidingAutocomplete==1){
hidingAutocomplete=0;
return killEvent(event);
}
}
if(typeof objonkeypress == "function")objonkeypress();
}
}
function getMenuId() {
return elementId+"-autocomplete";
}
function getAutocompleteMenu() {
var choiceDiv = document.getElementById(getMenuId());
if (choiceDiv == null) {
choiceDiv = document.createElement("div");
document.body.appendChild(choiceDiv);
choiceDiv.id = getMenuId();
choiceDiv.className = "wicket-aa";
choiceDiv.style.display = "none";
choiceDiv.style.position = "absolute";
choiceDiv.style.zIndex = "10000";
}
choiceDiv.show = function() { wicketShow(this.id) }
choiceDiv.hide = function() { wicketHide(this.id) }
return choiceDiv;
}
function killEvent(event){
if(!event)event=window.event;
if(!event)return false;
if(event.cancelBubble!=null){
event.cancelBubble=true;
}
if(event.returnValue){
event.returnValue=false;
}
if(event.stopPropagation){
event.stopPropagation();
}
if(event.preventDefault){
event.preventDefault();
}
return false;
}
function updateChoices(){
if(preselect==true){
selected = 0;
}
else{
selected=-1;
}
var value = wicketGet(elementId).value;
var request = new Wicket.Ajax.Request(callbackUrl+"&q="+processValue(value), doUpdateChoices, false, true, false, "wicket-autocomplete|d");
request.get();
}
function processValue(param) {
return (encodeURIComponent)?encodeURIComponent(param):escape(param);
}
function showAutoComplete(){
var position=getPosition(wicketGet(elementId));
var menu = getAutocompleteMenu();
var input=wicketGet(elementId);
menu.show();
menu.style.left=position[0]+'px'
menu.style.top=(input.offsetHeight+position[1])+'px';
menu.style.width=input.offsetWidth+'px';
visible=1;
hideShowCovered();
}
function hideAutoComplete(){
hidingAutocomplete=1;
visible=0;
selected=-1;
if ( document.getElementById(getMenuId()) )
{
getAutocompleteMenu().hide();
hideShowCovered();
}
}
function getPosition(obj) {
var leftPosition=0;
var topPosition=0;
do {
topPosition += obj.offsetTop
|| 0;
leftPosition += obj.offsetLeft || 0;
obj = obj.offsetParent;
} while (obj);
return [leftPosition,topPosition];
}
function doUpdateChoices(resp){

var input=wicketGet(elementId);
if (input.value == null || input.value == "") {
hideAutoComplete();
return;
}
var element = getAutocompleteMenu();
element.innerHTML=resp;
if(element.firstChild && element.firstChild.childNodes) {
elementCount=element.firstChild.childNodes.length;
for(var i=0;i<elementCount;i++){
var node=element.firstChild.childNodes[i];
node.onclick = function(event){
wicketGet(elementId).value=getSelectedValue();
if(typeof objonchange == "function")objonchange();
hideAutoComplete();
}
node.onmouseover = function(event){
mouseactive=1;
selected = getElementIndex(this);
render();
showAutoComplete();
}
node.onmouseout = function(event){
mouseactive=0;
}
}
} else {
elementCount=0;
}
if(elementCount>0){
showAutoComplete();
} else {
hideAutoComplete();
}
render();
scheduleEmptyCheck();
}
function scheduleEmptyCheck() {
window.setTimeout(function() {
var input=wicketGet(elementId);
if (input.value == null || input.value == "") {
hideAutoComplete();
}
}, 100);
}
function getSelectedValue(){
var element = getAutocompleteMenu();
var attr=element.firstChild.childNodes[selected].attributes['textvalue'];
var value;
if (attr==undefined) {
value = element.firstChild.childNodes[selected].innerHTML;
} else {
value = attr.value;
}
return stripHTML(value);
}
function getElementIndex(element) {
for(var i=0;i<element.parentNode.childNodes.length;i++){
var node=element.parentNode.childNodes[i];
if(node==element)return i;
}
return -1;
}
function stripHTML(str) {
return str.replace(/<[^>]+>/g,"");
}
function render(){
var element= getAutocompleteMenu();
for(var i=0;i<elementCount;i++){
var node=element.firstChild.childNodes[i];
var classNames = node.className.split(" ");
for (var j=0; j<classNames.length; j++) {
if (classNames[j] == 'selected') {
classNames[j] = '';
}
}
if(selected==i){
classNames.push('selected');
}
node.className = classNames.join(" ");
}
}
function isVisible(obj) {
var value = obj.style.visibility;
if (!value) {
if (document.defaultView && typeof(document.defaultView.getComputedStyle)=="function") {
value = document.defaultView.getComputedStyle(obj,"").getPropertyValue("visibility");
} else if (obj.currentStyle) {
value = obj.currentStyle.visibility;
} else {
value = '';
}
}
return value;
}
function hideShowCovered(){
if (!/msie/i.test(navigator.userAgent) && !/opera/i.test(navigator.userAgent)) {
return;
}


setTimeout(hideShowCoveredTimeout,1);
}
function hideShowCoveredTimeout(){
var el = getAutocompleteMenu();
var p = getPosition(el);
var acLeftX=p[0];
var acRightX=el.offsetWidth+acLeftX;
var acTopY=p[1];
var acBottomY=el.offsetHeight+acTopY;
var hideTags = new Array("select","iframe","applet");
for (var j=0;j<hideTags.length;j++) {
var tagsFound = document.getElementsByTagName(hideTags[j]);
for (var i=0; i<tagsFound.length; i++){
var tag=tagsFound[i];
p=getPosition(tag);
var leftX = p[0];
var rightX = leftX+tag.offsetWidth;
var topY = p[1];
var bottomY = topY+tag.offsetHeight;
if (this.hidden || (leftX>acRightX) || (rightX<acLeftX) || (topY>acBottomY) || (bottomY<acTopY)) {
if(!tag.wicket_element_visibility) {
tag.wicket_element_visibility=isVisible(tag);
}
tag.style.visibility=tag.wicket_element_visibility;
} else {
if (!tag.wicket_element_visibility) {
tag.wicket_element_visibility=isVisible(tag);
}
tag.style.visibility = "hidden";
}
}
}
}
initialize();
}