function doRequest(textboxID, url) {    setOffsets(textboxID);    var textbox = document.getElementById(textboxID);    if(textbox.value.length > 1) {        var ajaxRequest = new AjaxRequest(url);        ajaxRequest.addNamedFormElements(textboxID);        ajaxRequest.setPostRequest(showPopup);        ajaxRequest.sendRequest();    }    else if(textbox.value.length == 0) {        clearPopup();    }}function showPopup(ajaxRequest) {    document.getElementById("popup").style.display = "";}    function setOffsets(textboxID) {    var inputField = document.getElementById(textboxID);    var end = inputField.offsetWidth;    var left = calculateOffsetLeft(inputField);    var top = calculateOffsetTop(inputField) + inputField.offsetHeight;    var popup = document.getElementById("popup");    popup.style.border = "black 1px solid";    popup.style.left = left + "px";    popup.style.top = top + "px";    popup.style.width = "250px";    popup.style.height = "200px";}function calculateOffsetLeft(field) {    return calculateOffset(field, "offsetLeft");}function calculateOffsetTop(field) {    return calculateOffset(field, "offsetTop");}function calculateOffset(field, attr) {    var offset = 0;    while(field) {        offset += field[attr];         field = field.offsetParent;    }    return offset;}        function clearPopup() {    var popup = document.getElementById("popup");    while(popup.childNodes.length > 0) {        popup.removeChild(popup.firstChild);    }        popup.style.display = "none";}function addSelection(code, text) {    var popup = document.getElementById("popup");      opener.addToSelectedSuppliersSelect(code, text);        clearPopup();    AutocompleteManager.stopRunningInterval();    hideAutoComplete();        document.getElementById("supplierName").value = "";}var AutocompleteManager = new AutocompleteManagerImpl();function AutocompleteManagerImpl() {    this.textboxes = new Object();        this.startTheInterval = function(id) {                var handler = this.textboxes[id];        if(handler.state == "running") {            return;        }                var functionString = "handleInterval('" + id + "');" ;        handler.timeoutID = window.setInterval(functionString, handler.interval);        handler.state = "running";    }    this.getHandlerFor = function(id) {        return this.textboxes[id];    }    this.stopTheInterval = function(id) {        var handler = this.getHandlerFor(id);        window.clearInterval(handler.timeoutID);        handler.state = "stopped";    }        this.stopRunningInterval = function() {        var handler = null;        for(var i = 0; i < this.textboxes.length; i++) {            handler = this.textboxes[i];            if(handler.state == "running") {                window.clearInterval(handler.timeoutID);                break;            }        }    }    this.registerHandler = function(handler) {        this.textboxes[handler.id] = handler;    }    }function AutocompleteHandler(id, url, interval, minLength) {    this.id = id;    this.url = url;    this.interval = interval;    this.minLength = minLength;    this.lastSearchString = "";    this.timeoutID;    this.state = "stopped";}function handleInterval(id) {    var searchString = document.getElementById(id).value;    var handler = AutocompleteManager.getHandlerFor(id);    if(searchString.length < handler.minLength || searchString.length == 0) {        clearPopup();        hideAutoComplete();        return;    }    if(searchString == handler.lastSearchString) {        return;    }    //Made it this far so make the request    doRequest(id, handler.url);        //Remember the last search string    handler.lastSearchString = document.getElementById(id).value;}function emptyAutoComplete() {    var popup = document.getElementById("popup");    while(popup.hasChildNodes()) {        popup.removeChild(popup.firstChild);    }}function hideAutoComplete() {    document.getElementById("popup").style.display = "none";}function onFocusFunction(id) {    AutocompleteManager.startTheInterval(id);}