Xnet accounts activation.
[platal.git] / htdocs / javascript / jquery.autocomplete.js
index a5c2236..4e211a1 100644 (file)
-/* jQuery autocomplete Copyright Dylan Verheul <dylan@dyve.net>
- * Licensed like jQuery, see http://docs.jquery.com/License
+/*
+ * jQuery autocomplete plugin
+ * Version 2.0.0  (2008-03-22)
+ * @requires jQuery v1.1.1+
+ *
+ * Dual licensed under the MIT and GPL licenses:
+ * http://www.opensource.org/licenses/mit-license.php
+ * http://www.gnu.org/licenses/gpl.html
+ *
+ * Dylan Verheul
+ * http://www.dyve.net/jquery
+ *
  */
-
-$.autocomplete = function(input, options) {
-       // Create a link to self
-       var me = this;
-
-       // Create jQuery object for input element
-       var $input = $(input).attr("autocomplete", "off");;
-
-       // Apply inputClass if necessary
-       if (options.inputClass) $input.addClass(options.inputClass);
-
-       // Create results
-       var results = document.createElement("div");
-       // Create jQuery object for results
-       var $results = $(results);
-       // Set default values for results
-       var pos = findPos(input);
-       $results.hide().addClass(options.resultsClass).css({
-               position: "absolute",
-               top: (pos.y + input.offsetHeight) + "px",
-               left: pos.x + "px",
-               minWidth: $(input).width()
-       });
-       // Add to body element
-       $(input).parent().append(results);
-
-       input.autocompleter = me;
-       input.lastSelected = $input.val();
-
-       var timeout = null;
-       var prev = "";
-       var active = -1;
-       var cache = {};
-       var keyb = false;
-
-       $input
-       .keydown(function(e) {
-               switch(e.keyCode) {
-                       case 38: // up
-                               e.preventDefault();
-                               moveSelect(-1);
-                               break;
-                       case 40: // down
-                               e.preventDefault();
-                               moveSelect(1);
-                               break;
-                       case 9:  // tab
-                       case 13: // return
-                               if (selectCurrent()) {
-                                       e.preventDefault();
-                               }
-                               break;
-                       default:
-                               active = -1;
-                               if (timeout) clearTimeout(timeout);
-                               timeout = setTimeout(onChange, options.delay);
-                               break;
+(function($) {
+       /**
+        * The autocompleter object
+        */
+       $.autocomplete = function(input, options) {
+
+               // Create a link to self
+               var me = this;
+               // Create jQuery object for input element
+               var $input = $(input).attr("autocomplete", "off");
+               // Apply inputClass if necessary
+               if (options.inputClass) {
+                       $input.addClass(options.inputClass);
                }
-       })
-       .blur(function() {
-               hideResults();
-       });
-
-       hideResultsNow();
-
-       function onChange() {
-               var v = $input.val();
-               if (v == prev) return;
-               prev = v;
-               if (v.length >= options.minChars) {
-                       $input.addClass(options.loadingClass);
-                       requestData(v);
-               } else {
-                       $input.removeClass(options.loadingClass);
-                       $results.hide();
+
+               // Create results
+               var results = document.createElement("div");
+
+               // Create jQuery object for results
+               // var $results = $(results);
+               var $results = $(results).hide().addClass(options.resultsClass).css("position", "absolute");
+               if( options.width > 0 ) {
+                       $results.css("width", options.width);
                }
-       };
 
-       function moveSelect(step) {
+               // Add to body element
+               $("body").append(results);
 
-               var lis = $("li", results);
-               if (!lis) return;
+               input.autocompleter = me;
 
-               active += step;
+               var timeout = null;
+               var prev = "";
+               var active = -1;
+               var cache = {};
+               var keyb = false;
+               var hasFocus = false;
+               var lastKeyPressCode = null;
+               var mouseDownOnSelect = false;
+               var hidingResults = false;
 
-               if (active < 0) {
-                       active = 0;
-               } else if (active >= lis.size()) {
-                       active = lis.size() - 1;
-               }
+               // flush cache
+               function flushCache(){
+                       cache = {};
+                       cache.data = {};
+                       cache.length = 0;
+               };
 
-               lis.removeClass("over");
+               // flush cache
+               flushCache();
 
-               $(lis[active]).addClass("over");
+               // if there is a data array supplied
+               if( options.data != null ){
+                       var sFirstChar = "", stMatchSets = {}, row = [];
 
-               // Weird behaviour in IE
-               // if (lis[active] && lis[active].scrollIntoView) {
-               //      lis[active].scrollIntoView(false);
-               // }
+                       // no url was specified, we need to adjust the cache length to make sure it fits the local data store
+                       if (typeof options.url != "string") {
+                               options.cacheLength = 1;
+                       }
 
-       };
+                       // loop through the array and create a lookup structure
+                       for( var i=0; i < options.data.length; i++ ){
+                               // if row is a string, make an array otherwise just reference the array
+                               row = ((typeof options.data[i] == "string") ? [options.data[i]] : options.data[i]);
+
+                               // if the length is zero, don't add to list
+                               if( row[0].length > 0 ){
+                                       // get the first character
+                                       sFirstChar = row[0].substring(0, 1).toLowerCase();
+                                       // if no lookup array for this character exists, look it up now
+                                       if( !stMatchSets[sFirstChar] ) stMatchSets[sFirstChar] = [];
+                                       // if the match is a string
+                                       stMatchSets[sFirstChar].push(row);
+                               }
+                       }
 
-       function selectCurrent() {
-               var li = $("li.over", results)[0];
-               if (!li) {
-                       var $li = $("li", results);
-                       if (options.selectOnly) {
-                               if ($li.length == 1) li = $li[0];
-                       } else if (options.selectFirst) {
-                               li = $li[0];
+                       // add the data items to the cache
+                       for (var k in stMatchSets) {
+                               // increase the cache size
+                               options.cacheLength++;
+                               // add to the cache
+                               addToCache(k, stMatchSets[k]);
                        }
                }
-               if (li) {
-                       selectItem(li);
-                       return true;
-               } else {
-                       return false;
-               }
-       };
 
-       function selectItem(li) {
-               if (!li) {
-                       li = document.createElement("li");
-                       li.extra = [];
-                       li.selectValue = "";
-               }
-               var v = $.trim(li.selectValue ? li.selectValue : li.innerHTML);
-               input.lastSelected = v;
-               prev = v;
-               $results.html("");
-               $input.val(v);
+               $input
+               .keydown(function(e) {
+                       // track last key pressed
+                       lastKeyPressCode = e.keyCode;
+                       switch(e.keyCode) {
+                               case 38: // up
+                                       e.preventDefault();
+                                       moveSelect(-1);
+                                       break;
+                               case 40: // down
+                                       e.preventDefault();
+                                       moveSelect(1);
+                                       break;
+                               case 9:  // tab
+                               case 13: // return
+                                       if( selectCurrent() ){
+                                               // make sure to blur off the current field
+                                               $input.blur();
+                                               e.preventDefault();
+                                               // give focus with a small timeout (weird behaviour in FF)
+                                               setTimeout(function() { $input.focus() }, 10);
+                                       }
+                                       break;
+                               default:
+                                       active = -1;
+                                       if (timeout) clearTimeout(timeout);
+                                       timeout = setTimeout(onChange, options.delay);
+                                       break;
+                       }
+               })
+               .focus(function(){
+                       // track whether the field has focus, we shouldn't process any results if the field no longer has focus
+                       hasFocus = true;
+               })
+               .blur(function() {
+                       // track whether the field has focus
+                       hasFocus = false;
+                       if (!mouseDownOnSelect) {
+                               hideResults();
+                       }
+               });
+
                hideResultsNow();
-               if (options.onItemSelect) setTimeout(function() { options.onItemSelect(li) }, 1);
-       };
-
-       function hideResults() {
-               if (timeout) clearTimeout(timeout);
-               timeout = setTimeout(hideResultsNow, 200);
-       };
-
-       function hideResultsNow() {
-               if (timeout) clearTimeout(timeout);
-               $input.removeClass(options.loadingClass);
-               if ($results.is(":visible")) {
-                       $results.hide();
-               }
-               if (options.mustMatch) {
+
+               function onChange() {
+                       // ignore if the following keys are pressed: [del] [shift] [capslock]
+                       if( lastKeyPressCode == 46 || (lastKeyPressCode > 8 && lastKeyPressCode < 32) ) return $results.hide();
                        var v = $input.val();
-                       if (v != input.lastSelected) {
-                               selectItem(null);
+                       if (v == prev) return;
+                       prev = v;
+                       if (v.length >= options.minChars) {
+                               $input.addClass(options.loadingClass);
+                               requestData(v);
+                       } else {
+                               $input.removeClass(options.loadingClass);
+                               $results.hide();
                        }
-               }
-       };
-
-       function receiveData(q, data) {
-               if (data) {
-                       $input.removeClass(options.loadingClass);
-                       results.innerHTML = "";
-                       if ($.browser.msie) {
-                               // we put a styled iframe behind the calendar so HTML SELECT elements don't show through
-                               $results.append(document.createElement('iframe'));
+               };
+
+               function moveSelect(step) {
+
+                       var lis = $("li", results);
+                       if (!lis) return;
+
+                       active += step;
+
+                       if (active < 0) {
+                               active = 0;
+                       } else if (active >= lis.size()) {
+                               active = lis.size() - 1;
+                       }
+
+                       lis.removeClass("ac_over");
+
+                       $(lis[active]).addClass("ac_over");
+
+                       // Weird behaviour in IE
+                       // if (lis[active] && lis[active].scrollIntoView) {
+                       //      lis[active].scrollIntoView(false);
+                       // }
+
+               };
+
+               function selectCurrent() {
+                       var li = $("li.ac_over", results)[0];
+                       if (!li) {
+                               var $li = $("li", results);
+                               if (options.selectOnly) {
+                                       if ($li.length == 1) li = $li[0];
+                               } else if (options.selectFirst) {
+                                       li = $li[0];
+                               }
+                       }
+                       if (li) {
+                               selectItem(li);
+                               return true;
+                       } else {
+                               return false;
                        }
-                       var datasInDom = dataToDom(data);
-                       results.appendChild(datasInDom);
-                       $results.show();
-                       // set size of ul smaller (for borders) but almost as big as div
-                       $(datasInDom).width($results.width()-2);
-               } else {
+               };
+
+               function selectItem(li) {
+                       if (!li) {
+                               li = document.createElement("li");
+                               li.extra = [];
+                               li.selectValue = "";
+                       }
+                       var v = $.trim(li.selectValue ? li.selectValue : li.innerHTML);
+                       input.lastSelected = v;
+                       prev = v;
+                       $results.html("");
+                       $input.val(v);
                        hideResultsNow();
-               }
-       };
-
-       function parseData(data) {
-               if (!data) return null;
-               var parsed = [];
-               var rows = data.split(options.lineSeparator);
-               for (var i=0; i < rows.length; i++) {
-                       var row = $.trim(rows[i]);
-                       if (row) {
-                               parsed[parsed.length] = row.split(options.cellSeparator);
+                       if (options.onItemSelect) {
+                               setTimeout(function() { options.onItemSelect(li) }, 1);
                        }
-               }
-               return parsed;
-       };
-
-       function dataToDom(data) {
-               var ul = document.createElement("ul");
-               var num = data.length;
-               for (var i=0; i < num; i++) {
-                       var row = data[i];
-                       if (!row) continue;
-                       var li = document.createElement("li");
-                       if (options.formatItem) {
-                               li.innerHTML = options.formatItem(row, i, num);
-                               li.selectValue = row[0];
+               };
+
+               // selects a portion of the input string
+               function createSelection(start, end){
+                       // get a reference to the input element
+                       var field = $input.get(0);
+                       if( field.createTextRange ){
+                               var selRange = field.createTextRange();
+                               selRange.collapse(true);
+                               selRange.moveStart("character", start);
+                               selRange.moveEnd("character", end);
+                               selRange.select();
+                       } else if( field.setSelectionRange ){
+                               field.setSelectionRange(start, end);
+                       } else {
+                               if( field.selectionStart ){
+                                       field.selectionStart = start;
+                                       field.selectionEnd = end;
+                               }
+                       }
+                       field.focus();
+               };
+
+               // fills in the input box w/the first match (assumed to be the best match)
+               function autoFill(sValue){
+                       // if the last user key pressed was backspace, don't autofill
+                       if( lastKeyPressCode != 8 ){
+                               // fill in the value (keep the case the user has typed)
+                               $input.val($input.val() + sValue.substring(prev.length));
+                               // select the portion of the value not typed by the user (so the next character will erase)
+                               createSelection(prev.length, sValue.length);
+                       }
+               };
+
+               function showResults() {
+                       // get the position of the input field right now (in case the DOM is shifted)
+                       var pos = findPos(input);
+                       // either use the specified width, or autocalculate based on form element
+                       var iWidth = (options.width > 0) ? options.width : $input.width();
+                       // reposition
+                       $results.css({
+                               width: parseInt(iWidth) + "px",
+                               top: (pos.y + input.offsetHeight) + "px",
+                               left: pos.x + "px"
+                       }).show();
+               };
+
+               function hideResults() {
+                       if (timeout) clearTimeout(timeout);
+                       timeout = setTimeout(hideResultsNow, 200);
+               };
+
+               function hideResultsNow() {
+                       if (hidingResults) {
+                               return;
+                       }
+                       hidingResults = true;
+
+                       if (timeout) {
+                               clearTimeout(timeout);
+                       }
+
+                       var v = $input.removeClass(options.loadingClass).val();
+
+                       if ($results.is(":visible")) {
+                               $results.hide();
+                       }
+
+                       if (options.mustMatch) {
+                               if (!input.lastSelected || input.lastSelected != v) {
+                                       selectItem(null);
+                               }
+                       }
+
+                       hidingResults = false;
+               };
+
+               function receiveData(q, data) {
+                       if (data) {
+                               $input.removeClass(options.loadingClass);
+                               results.innerHTML = "";
+
+                               // if the field no longer has focus or if there are no matches, do not display the drop down
+                               if( !hasFocus || data.length == 0 ) return hideResultsNow();
+
+                               if ($.browser.msie) {
+                                       // we put a styled iframe behind the calendar so HTML SELECT elements don't show through
+                                       $results.append(document.createElement('iframe'));
+                               }
+                               results.appendChild(dataToDom(data));
+                               // autofill in the complete box w/the first match as long as the user hasn't entered in more data
+                               if( options.autoFill && ($input.val().toLowerCase() == q.toLowerCase()) ) autoFill(data[0][0]);
+                               showResults();
                        } else {
-                               li.innerHTML = row[0];
+                               hideResultsNow();
                        }
-                       var extra = null;
-                       if (row.length > 1) {
-                               extra = [];
-                               for (var j=1; j < row.length; j++) {
-                                       extra[extra.length] = row[j];
+               };
+
+               function parseData(data) {
+                       if (!data) return null;
+                       var parsed = [];
+                       var rows = data.split(options.lineSeparator);
+                       for (var i=0; i < rows.length; i++) {
+                               var row = $.trim(rows[i]);
+                               if (row) {
+                                       parsed[parsed.length] = row.split(options.cellSeparator);
                                }
                        }
-                       li.extra = extra;
-                       ul.appendChild(li);
-                       $(li).hover(
-                               function() { $("li", ul).removeClass("over"); $(this).addClass("over"); },
-                               function() { $(this).removeClass("over"); }
-                       ).click(function(e) { e.preventDefault(); e.stopPropagation(); selectItem(this) });
-               }
-               return ul;
-       };
-
-       function requestData(q) {
-               if (!options.matchCase) q = q.toLowerCase();
-               var data = options.cacheLength ? loadFromCache(q) : null;
-               if (data) {
-                       receiveData(q, data);
-               } else {
-                       $.get(makeUrl(q), function(data) {
-                               data = parseData(data)
-                               addToCache(q, data);
-                               receiveData(q, data);
+                       return parsed;
+               };
+
+               function dataToDom(data) {
+                       var ul = document.createElement("ul");
+                       var num = data.length;
+
+                       // limited results to a max number
+                       if( (options.maxItemsToShow > 0) && (options.maxItemsToShow < num) ) num = options.maxItemsToShow;
+
+                       for (var i=0; i < num; i++) {
+                               var row = data[i];
+                               if (!row) continue;
+                               var li = document.createElement("li");
+                               if (options.formatItem) {
+                                       li.innerHTML = options.formatItem(row, i, num);
+                                       li.selectValue = row[0];
+                               } else {
+                                       li.innerHTML = row[0];
+                                       li.selectValue = row[0];
+                               }
+                               var extra = null;
+                               if (row.length > 1) {
+                                       extra = [];
+                                       for (var j=1; j < row.length; j++) {
+                                               extra[extra.length] = row[j];
+                                       }
+                               }
+                               li.extra = extra;
+                               ul.appendChild(li);
+
+                               $(li).hover(
+                                       function() {
+                                               var $this = $(this);
+                                               active = $("li", ul).removeClass("ac_over").index($this[0]);
+                                               $this.addClass("ac_over");
+                                       },
+                                       function() {
+                                               $(this).removeClass("ac_over");
+                                       }
+                               ).click(function(e) {
+                                       e.preventDefault();
+                                       e.stopPropagation();
+                                       selectItem(this)
+                               });
+
+                       }
+                       $(ul).mousedown(function() {
+                               mouseDownOnSelect = true;
+                       }).mouseup(function() {
+                               mouseDownOnSelect = false;
                        });
-               }
-       };
+                       return ul;
+               };
+
+               function requestData(q) {
+                       if (!options.matchCase) q = q.toLowerCase();
+                       var data = options.cacheLength ? loadFromCache(q) : null;
+                       // recieve the cached data
+                       if (data) {
+                               receiveData(q, data);
+                       // if an AJAX url has been supplied, try loading the data now
+                       } else if( (typeof options.url == "string") && (options.url.length > 0) ){
+                               $.get(makeUrl(q), function(data) {
+                                       data = parseData(data);
+                                       addToCache(q, data);
+                                       receiveData(q, data);
+                               });
+                       // if there's been no data found, remove the loading class
+                       } else {
+                               $input.removeClass(options.loadingClass);
+                       }
+               };
 
-       function makeUrl(q) {
-               var url = options.url + "?q=" + q;
-               for (var i in options.extraParams) {
-                       url += "&" + i + "=" + options.extraParams[i];
-               }
-               return url;
-       };
-
-       function loadFromCache(q) {
-               if (!q) return null;
-               if (cache[q]) return cache[q];
-               if (options.matchSubset) {
-                       for (var i = q.length - 1; i >= options.minChars; i--) {
-                               var qs = q.substr(0, i);
-                               var c = cache[qs];
-                               if (c) {
-                                       var csub = [];
-                                       for (var j = 0; j < c.length; j++) {
-                                               var x = c[j];
-                                               var x0 = x[0];
-                                               if (matchSubset(x0, q)) {
-                                                       csub[csub.length] = x;
+               function makeUrl(q) {
+                       var sep = options.url.indexOf('?') == -1 ? '?' : '&';
+                       var url = options.url + sep + "q=" + encodeURI(q);
+                       for (var i in options.extraParams) {
+                               url += "&" + i + "=" + encodeURI(options.extraParams[i]);
+                       }
+                       return url;
+               };
+
+               function loadFromCache(q) {
+                       if (!q) return null;
+                       if (cache.data[q]) return cache.data[q];
+                       if (options.matchSubset) {
+                               for (var i = q.length - 1; i >= options.minChars; i--) {
+                                       var qs = q.substr(0, i);
+                                       var c = cache.data[qs];
+                                       if (c) {
+                                               var csub = [];
+                                               for (var j = 0; j < c.length; j++) {
+                                                       var x = c[j];
+                                                       var x0 = x[0];
+                                                       if (matchSubset(x0, q)) {
+                                                               csub[csub.length] = x;
+                                                       }
                                                }
+                                               return csub;
                                        }
-                                       return csub;
                                }
                        }
+                       return null;
+               };
+
+               function matchSubset(s, sub) {
+                       if (!options.matchCase) s = s.toLowerCase();
+                       var i = s.indexOf(sub);
+                       if (i == -1) return false;
+                       return i == 0 || options.matchContains;
+               };
+
+               this.flushCache = function() {
+                       flushCache();
+               };
+
+               this.setExtraParams = function(p) {
+                       options.extraParams = p;
+               };
+
+               this.findValue = function(){
+                       var q = $input.val();
+
+                       if (!options.matchCase) q = q.toLowerCase();
+                       var data = options.cacheLength ? loadFromCache(q) : null;
+                       if (data) {
+                               findValueCallback(q, data);
+                       } else if( (typeof options.url == "string") && (options.url.length > 0) ){
+                               $.get(makeUrl(q), function(data) {
+                                       data = parseData(data)
+                                       addToCache(q, data);
+                                       findValueCallback(q, data);
+                               });
+                       } else {
+                               // no matches
+                               findValueCallback(q, null);
+                       }
                }
-               return null;
-       };
-
-       function matchSubset(s, sub) {
-               if (!options.matchCase) s = s.toLowerCase();
-               var i = s.indexOf(sub);
-               if (i == -1) return false;
-               return i == 0 || options.matchContains;
-       };
-
-       this.flushCache = function() {
-               cache = {};
-       };
-
-       this.setExtraParams = function(p) {
-               options.extraParams = p;
-       };
-
-       function addToCache(q, data) {
-               if (!data || !q || !options.cacheLength) return;
-               if (!cache.length || cache.length > options.cacheLength) {
-                       cache = {};
-                       cache.length = 1; // we know we're adding something
-               } else if (!cache[q]) {
-                       cache.length++;
+
+               function findValueCallback(q, data){
+                       if (data) $input.removeClass(options.loadingClass);
+
+                       var num = (data) ? data.length : 0;
+                       var li = null;
+
+                       for (var i=0; i < num; i++) {
+                               var row = data[i];
+
+                               if( row[0].toLowerCase() == q.toLowerCase() ){
+                                       li = document.createElement("li");
+                                       if (options.formatItem) {
+                                               li.innerHTML = options.formatItem(row, i, num);
+                                               li.selectValue = row[0];
+                                       } else {
+                                               li.innerHTML = row[0];
+                                               li.selectValue = row[0];
+                                       }
+                                       var extra = null;
+                                       if( row.length > 1 ){
+                                               extra = [];
+                                               for (var j=1; j < row.length; j++) {
+                                                       extra[extra.length] = row[j];
+                                               }
+                                       }
+                                       li.extra = extra;
+                               }
+                       }
+
+                       if( options.onFindValue ) setTimeout(function() { options.onFindValue(li) }, 1);
                }
-               cache[q] = data;
-       };
-
-       function findPos(obj) {
-               var curleft = obj.offsetLeft || 0;
-               var curtop = obj.offsetTop || 0;
-               while (obj = obj.offsetParent) {
-                       curleft += obj.offsetLeft
-                       curtop += obj.offsetTop
+
+               function addToCache(q, data) {
+                       if (!data || !q || !options.cacheLength) return;
+                       if (!cache.length || cache.length > options.cacheLength) {
+                               flushCache();
+                               cache.length++;
+                       } else if (!cache[q]) {
+                               cache.length++;
+                       }
+                       cache.data[q] = data;
+               };
+
+               function findPos(obj) {
+                       var curleft = obj.offsetLeft || 0;
+                       var curtop = obj.offsetTop || 0;
+                       while (obj = obj.offsetParent) {
+                               curleft += obj.offsetLeft
+                               curtop += obj.offsetTop
+                       }
+                       return {x:curleft,y:curtop};
                }
-               return {x:curleft,y:curtop};
        }
-}
-
-$.fn.autocomplete = function(url, options) {
-       // Make sure options exists
-       options = options || {};
-       // Set url as option
-       options.url = url;
-       // Set default values for required options
-       options.inputClass = options.inputClass || "ac_input";
-       options.resultsClass = options.resultsClass || "ac_results";
-       options.lineSeparator = options.lineSeparator || "\n";
-       options.cellSeparator = options.cellSeparator || "|";
-       options.minChars = options.minChars || 1;
-       options.delay = options.delay || 400;
-       options.matchCase = options.matchCase || 0;
-       options.matchSubset = typeof(options.matchSubset) != 'undefined' ? options.matchSubset : 1;
-       options.matchContains = options.matchContains || 0;
-       options.cacheLength = options.cacheLength || 1;
-       options.mustMatch = options.mustMatch || 0;
-       options.extraParams = options.extraParams || {};
-       options.loadingClass = options.loadingClass || "ac_loading";
-       options.selectFirst = options.selectFirst || false;
-       options.selectOnly = options.selectOnly || false;
-
-       this.each(function() {
-               var input = this;
-               new $.autocomplete(input, options);
-       });
-
-       // Don't break the chain
-       return this;
-}
+
+       /**
+        * The autocomplete plugin itself
+        */
+       $.fn.autocomplete = function(url, options, data) {
+
+               // Make sure options exists
+               options = options || {};
+               // Set url as option
+               options.url = url;
+               // set some bulk local data
+               options.data = ((typeof data == "object") && (data.constructor == Array)) ? data : null;
+
+               // Set default values for required options (set global defaults in $.fn.autocomplete.defaults)
+               options = $.extend({
+                       inputClass: "ac_input",
+                       resultsClass: "ac_results",
+                       lineSeparator: "\n",
+                       cellSeparator: "|",
+                       minChars: 1,
+                       delay: 400,
+                       matchCase: 0,
+                       matchSubset: 1,
+                       matchContains: 0,
+                       cacheLength: 1,
+                       mustMatch: 0,
+                       extraParams: {},
+                       loadingClass: "ac_loading",
+                       selectFirst: false,
+                       selectOnly: false,
+                       maxItemsToShow: -1,
+                       autoFill: false,
+                       width: 0
+               }, $.fn.autocomplete.defaults, options);
+
+               options.width = parseInt(options.width, 10);
+               
+               return this.each(function() {
+                       var input = this;
+                       new $.autocomplete(input, options);
+               });
+
+       }
+
+})(jQuery);