;
(function($) {
	$.fn.extend({
				autocomplete : function(urlOrData, options) {
					var isUrl = typeof urlOrData == "string";
					options = $.extend({}, $.Autocompleter.defaults, {
								url : isUrl ? urlOrData : null,
								data : isUrl ? null : urlOrData,
								delay : isUrl
										? $.Autocompleter.defaults.delay
										: 10,
								max : options && !options.scroll ? 10 : 150
							}, options);

					// if highlight is set to false, replace it with a
					// do-nothing function
					options.highlight = options.highlight || function(value) {
						return value;
					};

					// if the formatMatch option is not specified, then use
					// formatItem for backwards compatibility
					options.formatMatch = options.formatMatch
							|| options.formatItem;

					// Get the input element
					options.inputElement = this;

					return this.each(function() {
								new $.Autocompleter(this, options);
							});
				},
				result : function(handler) {
					return this.bind("result", handler);
				},
				itemSelected : function(handler) {
					return this.bind("itemSelected", handler);
				},
				search : function(handler) {
					return this.trigger("search", [handler]);
				},
				flushCache : function() {
					return this.trigger("flushCache");
				},
				setOptions : function(options) {
					return this.trigger("setOptions", [options]);
				},
				unautocomplete : function() {
					return this.trigger("unautocomplete");
				}
			});

	$.Autocompleter = function(input, options) {

		var KEY = {
			UP : 38,
			DOWN : 40,
			DEL : 46,
			TAB : 9,
			RETURN : 13,
			ESC : 27,
			COMMA : 188,
			PAGEUP : 33,
			PAGEDOWN : 34,
			BACKSPACE : 8
		};

		// Create $ object for input element
		var $input = $(input).attr("autocomplete", "off")
				.addClass(options.inputClass);

		var timeout;
		var previousValue = "";
		var cache = $.Autocompleter.Cache(options);
		var hasFocus = 0;
		var lastKeyPressCode;
		var config = {
			mouseDownOnSelect : false
		};
		var select = $.Autocompleter.Select(options, input, selectCurrent,
				config);

		var blockSubmit;

		// prevent form submit in opera when selecting with return key
		$.browser.opera
				&& $(input.form).bind("submit.autocomplete", function() {
							if (blockSubmit) {
								blockSubmit = false;
								return false;
							}
						});

		// only opera doesn't trigger keydown multiple times while pressed,
		// others don't work with keypress at all
		$input.bind(($.browser.opera ? "keypress" : "keyup") + ".autocomplete",
				function(event) {
					// a keypress means the input has focus
					// avoids issue where input had focus before the
					// autocomplete was applied
					hasFocus = 1;
					// track last key pressed
					lastKeyPressCode = event.keyCode;
					switch (event.keyCode) {

						case KEY.UP :
							event.preventDefault();
							if (select.visible()) {
								select.prev();
							} else {
								onChange(0, true);
							}
							break;

						case KEY.DOWN :
							event.preventDefault();
							if (select.visible()) {
								select.next();
							} else {
								onChange(0, true);
							}
							break;

						case KEY.PAGEUP :
							event.preventDefault();
							if (select.visible()) {
								select.pageUp();
							} else {
								onChange(0, true);
							}
							break;

						case KEY.PAGEDOWN :
							event.preventDefault();
							if (select.visible()) {
								select.pageDown();
							} else {
								onChange(0, true);
							}
							break;

						// matches also semicolon
						case options.multiple
								&& $.trim(options.multipleSeparator) == ","
								&& KEY.COMMA :
						case KEY.TAB :
						case KEY.RETURN :
							if (selectCurrent()) {
								// stop default to prevent a form submit, Opera
								// needs special handling
								event.preventDefault();
								blockSubmit = true;
								return false;
							}
							break;

						case KEY.ESC :
							select.hide();
							break;

						default :
							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++;
				}).blur(function() {
					hasFocus = 0;
					if (!config.mouseDownOnSelect) {
						hideResults();
					}
				}).click(function() {
					// show select when clicking in a focused field
					if (hasFocus++ > 1 && !select.visible()) {
						onChange(0, true);
					}
				}).bind("search", function() {
			// TODO why not just specifying both arguments?
			var fn = (arguments.length > 1) ? arguments[1] : null;
			function findValueCallback(q, data) {
				var result;
				if (data && data.length) {
					for (var i = 0; i < data.length; i++) {
						if (data[i].result.toLowerCase() == q.toLowerCase()) {
							result = data[i];
							break;
						}
					}
				}
				if (typeof fn == "function")
					fn(result);
				else
					$input.trigger("result", result
									&& [result.data, result.value]);
			}
			$.each(trimWords($input.val()), function(i, value) {
						request(value, findValueCallback, findValueCallback);
					});

		}).bind("flushCache", function() {
					cache.flush();
				}).bind("setOptions", function() {
					$.extend(options, arguments[1]);
					// if we've updated the data, repopulate
					if ("data" in arguments[1])
						cache.populate();
				}).bind("unautocomplete", function() {
					select.unbind();
					$input.unbind();
					$(input.form).unbind(".autocomplete");
				});

		function selectCurrent() {
			var selected = select.selected();
			if (!selected)
				return false;

			var v = selected.result;
			previousValue = v;

			if (options.multiple) {
				var words = trimWords($input.val());
				if (words.length > 1) {
					var seperator = options.multipleSeparator.length;
					var cursorAt = $(input).selection().start;
					var wordAt, progress = 0;
					$.each(words, function(i, word) {
								progress += word.length;
								if (cursorAt <= progress) {
									wordAt = i;
									return false;
								}
								progress += seperator;
							});
					words[wordAt] = v;
					// TODO this should set the cursor to the right position,
					// but it gets overriden somewhere
					// $.Autocompleter.Selection(input, progress + seperator,
					// progress + seperator);
					v = words.join(options.multipleSeparator);
				}
				v += options.multipleSeparator;
			}
			$input.val(v);
			hideResultsNow();
			$input.trigger("result", [selected.data, selected.value]);
			// TODO
			$input.trigger("itemSelected", [selected.data, selected.value]);
			return true;
		}

		function onChange(crap, skipPrevCheck) {
			if (lastKeyPressCode == KEY.DEL) {
				select.hide();
				return;
			}

			var currentValue = $input.val();

			if (!skipPrevCheck && currentValue == previousValue)
				return;

			previousValue = currentValue;

			currentValue = lastWord(currentValue);
			if (currentValue.length >= options.minChars) {
				$input.addClass(options.loadingClass);
				if (!options.matchCase)
					currentValue = currentValue.toLowerCase();
				request(currentValue, receiveData, hideResultsNow);
			} else {
				stopLoading();
				select.hide();
			}
		};

		function trimWords(value) {
			if (!value)
				return [""];
			if (!options.multiple)
				return [$.trim(value)];
			return $.map(value.split(options.multipleSeparator),
					function(word) {
						return $.trim(value).length ? $.trim(word) : null;
					});
		}

		function lastWord(value) {
			if (!options.multiple)
				return value;
			var words = trimWords(value);
			if (words.length == 1)
				return words[0];
			var cursorAt = $(input).selection().start;
			if (cursorAt == value.length) {
				words = trimWords(value)
			} else {
				words = trimWords(value.replace(value.substring(cursorAt), ""));
			}
			return words[words.length - 1];
		}

		// fills in the input box w/the first match (assumed to be the best
		// match)
		// q: the term entered
		// sValue: the first matching result
		// sId: the first matching id
		function autoFill(q, sValue, sId) {
			// autofill in the complete box w/the first match as long as the
			// user hasn't entered in more data
			// if the last user key pressed was backspace, don't autofill
			if (options.autoFill
					&& (lastWord($input.val()).toLowerCase() == q.toLowerCase())
					&& lastKeyPressCode != KEY.BACKSPACE) {
				// fill in the value (keep the case the user has typed)
				$input.val($input.val()
						+ sValue.substring(lastWord(previousValue).length));
				// select the portion of the value not typed by the user (so the
				// next character will erase)
				$(input).selection(previousValue.length,
						previousValue.length + sValue.length);

				if (options.hiddenId) {
					$("#" + options.hiddenId).val(sId);
				}
			}
		};

		function hideResults() {
			clearTimeout(timeout);
			timeout = setTimeout(hideResultsNow, 200);
		};

		function hideResultsNow() {
			var wasVisible = select.visible();
			select.hide();
			clearTimeout(timeout);
			stopLoading();
			if (options.mustMatch) {
				// call search and run callback
				$input.search(function(result) {
							// if no value found, clear the input box
							if (!result) {
								if (options.multiple) {
									var words = trimWords($input.val()).slice(
											0, -1);
									$input.val(words
											.join(options.multipleSeparator)
											+ (words.length
													? options.multipleSeparator
													: ""));
								} else {
									$input.val("");
									$input.trigger("result", null);
								}
							}
						});
			}
		};

		function receiveData(q, data) {
			if (data && data.length && hasFocus) {
				stopLoading();
				select.display(data, q);
				// autoFill(q, data[0].value);
				autoFill(q, data[0].value, data[0].id);
				select.show();
			} else {

				hideResultsNow();
			}
		};

		function request(term, success, failure) {
			if (!options.matchCase)
				term = term.toLowerCase();
			var data = cache.load(term);
			// recieve the cached data
			if (data && data.length) {
				success(term, data);
				// if an AJAX url has been supplied, try loading the data now
			} else if ((typeof options.url == "string")
					&& (options.url.length > 0)) {

				var extraParams = {
					timestamp : +new Date()
				};
				$.each(options.extraParams, function(key, param) {
							extraParams[key] = typeof param == "function"
									? param()
									: param;
						});

				$.ajax({
							// try to leverage ajaxQueue plugin to abort
							// previous requests
							mode : "abort",
							type : 'POST',
							// limit abortion to this input
							port : "autocomplete" + input.name,
							dataType : options.dataType
									? options.dataType
									: "json",
							url : options.url,
							data : $.extend({
										key : lastWord(term),
										limit : options.max
									}, extraParams),
							success : function(data) {
								var parsed = options.parse
										&& options.parse(data) || parse(data);
								cache.add(term, parsed);
								success(term, parsed);
							},
							error : function(req, mes, error) {
								// alert("涓庢湇鍔″櫒閫氫俊澶辫触");
								alert("涓庢湇鍔″櫒閫氫俊澶辫触锛? + mes);
							}
						});
			} else {
				// if we have a failure, we need to empty the list -- this
				// prevents the the [TAB] key from selecting the last successful
				// match
				select.emptyList();
				failure(term);
			}
		};

		function parse(data) {
			var parsed = [];
			var rows = data.split("\n");
			for (var i = 0; i < rows.length; i++) {
				var row = $.trim(rows[i]);
				if (row) {
					row = row.split("|");
					parsed[parsed.length] = {
						data : row,
						value : row[0],
						result : options.formatResult
								&& options.formatResult(row, row[0]) || row[0]
					};
				}
			}
			return parsed;
		};

		function stopLoading() {
			$input.removeClass(options.loadingClass);
		};

	};

	$.Autocompleter.defaults = {
		inputClass : "ac_input",
		resultsClass : "fuzzy_search",
		loadingClass : "ac_loading",
		minChars : 1,
		delay : 200,
		matchCase : false,
		matchSubset : true,
		matchContains : true,
		cacheLength : 200,
		max : 200,
		mustMatch : false,
		extraParams : {
			"type" : "general"
		},
		selectFirst : true,
		formatItem: function (row, i, max) {return row.macType;}, 
		formatMatch: function (row, i, max) {return row.id + " " + row.macType;},
		formatResult:function (row) {return row.macType;},
		parse:function (data) {
			return $.map(data, function (row) {
				return {data:row, value:row.macType,result:row.macType,id:row.id};
			});
		},
		autoFill : false, // 鑷姩濉厖
		width : 206,
		multiple : false,
		multipleSeparator : ", ",
		highlight : function(value, term) {
			return value
					.replace(
							new RegExp(
									"(?![^&;]+;)(?!<[^<>]*)("
											+ term
													.replace(
															/([\^\$\(\)\[\]\{\}\*\.\+\?\|\\])/gi,
															"\\$1")
											+ ")(?![^<>]*>)(?![^&;]+;)", "gi"),
							"<strong>$1</strong>");
		},
		scroll : true,
		scrollHeight : 180,
		hiddenId : null
	};

	$.Autocompleter.Cache = function(options) {

		var data = {};
		var length = 0;

		function matchSubset(s, sub) {
			if (!options.matchCase)
				s = s.toLowerCase();
			var i = s.indexOf(sub);
			if (options.matchContains == "word") {
				i = s.toLowerCase().search("\\b" + sub.toLowerCase());
			}
			if (i == -1)
				return false;
			return i == 0 || options.matchContains;
		};

		function add(q, value) {
			if (length > options.cacheLength) {
				flush();
			}
			if (!data[q]) {
				length++;
			}
			data[q] = value;
		}

		function populate() {
			if (!options.data)
				return false;
			// track the matches
			var stMatchSets = {}, nullData = 0;

			// no url was specified, we need to adjust the cache length to make
			// sure it fits the local data store
			if (!options.url)
				options.cacheLength = 1;

			// track all options for minChars = 0
			stMatchSets[""] = [];

			// loop through the array and create a lookup structure
			for (var i = 0, ol = options.data.length; i < ol; i++) {
				var rawValue = options.data[i];
				// if rawValue is a string, make an array otherwise just
				// reference the array
				rawValue = (typeof rawValue == "string")
						? [rawValue]
						: rawValue;

				var value = options.formatMatch(rawValue, i + 1,
						options.data.length);
				if (value === false)
					continue;

				var firstChar = value.charAt(0).toLowerCase();
				// if no lookup array for this character exists, look it up now
				if (!stMatchSets[firstChar])
					stMatchSets[firstChar] = [];

				// if the match is a string
				var row = {
					value : value,
					data : rawValue,
					result : options.formatResult
							&& options.formatResult(rawValue) || value
				};

				// push the current match into the set list
				stMatchSets[firstChar].push(row);

				// keep track of minChars zero items
				if (nullData++ < options.max) {
					stMatchSets[""].push(row);
				}
			};

			// add the data items to the cache
			$.each(stMatchSets, function(i, value) {
						// increase the cache size
						options.cacheLength++;
						// add to the cache
						add(i, value);
					});
		}

		// populate any existing data
		setTimeout(populate, 25);

		function flush() {
			data = {};
			length = 0;
		}

		return {
			flush : flush,
			add : add,
			populate : populate,
			load : function(q) {
				if (!options.cacheLength || !length)
					return null;
				/*
				 * if dealing w/local data and matchContains than we must make
				 * sure to loop through all the data collections looking for
				 * matches
				 */
				if (!options.url && options.matchContains) {
					// track all matches
					var csub = [];
					// loop through all the data grids for matches
					for (var k in data) {
						// don't search through the stMatchSets[""] (minChars:
						// 0) cache
						// this prevents duplicates
						if (k.length > 0) {
							var c = data[k];
							$.each(c, function(i, x) {
										// if we've got a match, add it to the
										// array
										if (matchSubset(x.value, q)) {
											csub.push(x);
										}
									});
						}
					}
					return csub;
				} else
				// if the exact item exists, use it
				if (data[q]) {
					return data[q];
				} else if (options.matchSubset) {
					for (var i = q.length - 1; i >= options.minChars; i--) {
						var c = data[q.substr(0, i)];
						if (c) {
							var csub = [];
							$.each(c, function(i, x) {
										if (matchSubset(x.value, q)) {
											csub[csub.length] = x;
										}
									});
							return csub;
						}
					}
				}
				return null;
			}
		};
	};

	$.Autocompleter.Select = function(options, input, select, config) {
		var CLASSES = {
			ACTIVE : "ac_over"
		};

		var listItems, active = -1, data, term = "", needsInit = true, element, list;

		// Create results
		function init() {
			if (!needsInit)
				return;
			element = $("<div/>").hide().addClass(options.resultsClass).css(
					"position", "absolute").appendTo(document.body);

			list = $("<ul/>").appendTo(element).mouseover(function(event) {
				if (target(event).nodeName
						&& target(event).nodeName.toUpperCase() == 'LI') {
					active = $("li", list).removeClass(CLASSES.ACTIVE)
							.index(target(event));
					$(target(event)).addClass(CLASSES.ACTIVE);
				}
			}).click(function(event) {
						$(target(event)).addClass(CLASSES.ACTIVE);
						select();
						// TODO provide option to avoid setting focus again
						// after selection? useful for cleanup-on-focus
						input.focus();
						return false;
					}).mousedown(function() {
						config.mouseDownOnSelect = true;
					}).mouseup(function() {
						config.mouseDownOnSelect = false;
					});

			if (options.width > 0)
				element.css("width", options.width);

			needsInit = false;
		}

		function target(event) {
			var element = event.target;
			while (element && element.tagName != "LI")
				element = element.parentNode;
			// more fun with IE, sometimes event.target is empty, just ignore it
			// then
			if (!element)
				return [];
			return element;
		}

		function moveSelect(step) {
			listItems.slice(active, active + 1).removeClass(CLASSES.ACTIVE);
			movePosition(step);
			var activeItem = listItems.slice(active, active + 1)
					.addClass(CLASSES.ACTIVE);
			if (options.scroll) {
				var offset = 0;
				listItems.slice(0, active).each(function() {
							offset += this.offsetHeight;
						});
				if ((offset + activeItem[0].offsetHeight - list.scrollTop()) > list[0].clientHeight) {
					list.scrollTop(offset + activeItem[0].offsetHeight
							- list.innerHeight());
				} else if (offset < list.scrollTop()) {
					list.scrollTop(offset);
				}
			}
		};

		function movePosition(step) {
			active += step;
			if (active < 0) {
				active = listItems.size() - 1;
			} else if (active >= listItems.size()) {
				active = 0;
			}
		}

		function limitNumberOfItems(available) {
			return options.max && options.max < available
					? options.max
					: available;
		}

		function fillList() {
			list.empty();
			var max = limitNumberOfItems(data.length);
			for (var i = 0; i < max; i++) {
				if (!data[i])
					continue;
				var formatted = options.formatItem(data[i].data, i + 1, max,
						data[i].value, term);
				if (formatted === false)
					continue;

				var html = options.highlight(formatted, term);
				var li = $("<li/>").html(html).addClass(i % 2 == 0
						? "ac_even"
						: "ac_odd").appendTo(list)[0];
				$.data(li, "ac_data", data[i]);
			}
			listItems = list.find("li");
			if (options.selectFirst) {
				listItems.slice(0, 1).addClass(CLASSES.ACTIVE);
				active = 0;
			}

			// apply bgiframe if available
			if ($.fn.bgiframe)
				list.bgiframe();
		}

		return {
			display : function(d, q) {
				init();
				data = d;
				term = q;
				fillList();
			},
			next : function() {
				moveSelect(1);
			},
			prev : function() {
				moveSelect(-1);
			},
			pageUp : function() {
				if (active != 0 && active - 8 < 0) {
					moveSelect(-active);
				} else {
					moveSelect(-8);
				}
			},
			pageDown : function() {
				if (active != listItems.size() - 1
						&& active + 8 > listItems.size()) {
					moveSelect(listItems.size() - 1 - active);
				} else {
					moveSelect(8);
				}
			},
			hide : function() {
				element && element.hide();
				listItems && listItems.removeClass(CLASSES.ACTIVE);
				active = -1;
			},
			visible : function() {
				return element && element.is(":visible");
			},
			current : function() {
				return this.visible()
						&& (listItems.filter("." + CLASSES.ACTIVE)[0] || options.selectFirst
								&& listItems[0]);
			},
			show : function() {
				var offset = $(input).offset();
				element.css({
					width : typeof options.width == "string"
							|| options.width > 0 ? options.width : $(input)
							.width(),
					top : offset.top + input.offsetHeight - 1,
					left : offset.left
				}).show();
				if (options.scroll) {
					list.scrollTop(0);
					list.css({
								maxHeight : options.scrollHeight,
								overflowY : 'auto',
								overflowX : 'hidden'
							});
					// if($.browser.msie && typeof document.body.style.maxHeight
					// === "undefined") {
					if ($.browser.msie
							&& typeof((typeof document.body.style.maxHeight === "undefined") || (document.body.style.maxHeight == ''))) {
						var listHeight = 0;
						element.find("li").each(function() {
									listHeight += this.offsetHeight;
								});
						var scrollbarsVisible = listHeight > options.scrollHeight;
						list.css('height', scrollbarsVisible
										? options.scrollHeight
										: listHeight);
						if (!scrollbarsVisible) {
							// IE doesn't recalculate width when scrollbar
							// disappears
							listItems.width(list.width()
									- parseInt(listItems.css("padding-left"))
									- parseInt(listItems.css("padding-right")));
						}
					}

				}
			},
			selected : function() {
				var selected = listItems
						&& listItems.filter("." + CLASSES.ACTIVE)
								.removeClass(CLASSES.ACTIVE);
				return selected && selected.length
						&& $.data(selected[0], "ac_data");
			},
			emptyList : function() {
				list && list.empty();
			},
			unbind : function() {
				element && element.remove();
			}
		};
	};

	$.fn.selection = function(start, end) {
		if (start !== undefined) {
			return this.each(function() {
						if (this.createTextRange) {
							var selRange = this.createTextRange();
							if (end === undefined || start == end) {
								selRange.move("character", start);
								selRange.select();
							} else {
								selRange.collapse(true);
								selRange.moveStart("character", start);
								selRange.moveEnd("character", end);
								selRange.select();
							}
						} else if (this.setSelectionRange) {
							this.setSelectionRange(start, end);
						} else if (this.selectionStart) {
							this.selectionStart = start;
							this.selectionEnd = end;
						}
					});
		}
		var field = this[0];
		if (field.createTextRange) {
			var range = document.selection.createRange(), orig = field.value, teststring = "<->", textLength = range.text.length;
			range.text = teststring;
			var caretAt = field.value.indexOf(teststring);
			field.value = orig;
			this.selection(caretAt, caretAt + textLength);
			return {
				start : caretAt,
				end : caretAt + textLength
			}
		} else if (field.selectionStart !== undefined) {
			return {
				start : field.selectionStart,
				end : field.selectionEnd
			}
		}
	};

})(jQuery);

;
(function($) {
	$.fn.extend({
				autocomplete : function(urlOrData, options) {
					var isUrl = typeof urlOrData == "string";
					options = $.extend({}, $.Autocompleter.defaults, {
								url : isUrl ? urlOrData : null,
								data : isUrl ? null : urlOrData,
								delay : isUrl
										? $.Autocompleter.defaults.delay
										: 10,
								max : options && !options.scroll ? 10 : 150
							}, options);

					// if highlight is set to false, replace it with a
					// do-nothing function
					options.highlight = options.highlight || function(value) {
						return value;
					};

					// if the formatMatch option is not specified, then use
					// formatItem for backwards compatibility
					options.formatMatch = options.formatMatch
							|| options.formatItem;

					// Get the input element
					options.inputElement = this;

					return this.each(function() {
								new $.Autocompleter(this, options);
							});
				},
				result : function(handler) {
					return this.bind("result", handler);
				},
				itemSelected : function(handler) {
					return this.bind("itemSelected", handler);
				},
				search : function(handler) {
					return this.trigger("search", [handler]);
				},
				flushCache : function() {
					return this.trigger("flushCache");
				},
				setOptions : function(options) {
					return this.trigger("setOptions", [options]);
				},
				unautocomplete : function() {
					return this.trigger("unautocomplete");
				}
			});

	$.Autocompleter = function(input, options) {

		var KEY = {
			UP : 38,
			DOWN : 40,
			DEL : 46,
			TAB : 9,
			RETURN : 13,
			ESC : 27,
			COMMA : 188,
			PAGEUP : 33,
			PAGEDOWN : 34,
			BACKSPACE : 8
		};

		// Create $ object for input element
		var $input = $(input).attr("autocomplete", "off")
				.addClass(options.inputClass);

		var timeout;
		var previousValue = "";
		var cache = $.Autocompleter.Cache(options);
		var hasFocus = 0;
		var lastKeyPressCode;
		var config = {
			mouseDownOnSelect : false
		};
		var select = $.Autocompleter.Select(options, input, selectCurrent,
				config);

		var blockSubmit;

		// prevent form submit in opera when selecting with return key
		$.browser.opera
				&& $(input.form).bind("submit.autocomplete", function() {
							if (blockSubmit) {
								blockSubmit = false;
								return false;
							}
						});

		// only opera doesn't trigger keydown multiple times while pressed,
		// others don't work with keypress at all
		$input.bind(($.browser.opera ? "keypress" : "keyup") + ".autocomplete",
				function(event) {
					// a keypress means the input has focus
					// avoids issue where input had focus before the
					// autocomplete was applied
					hasFocus = 1;
					// track last key pressed
					lastKeyPressCode = event.keyCode;
					switch (event.keyCode) {

						case KEY.UP :
							event.preventDefault();
							if (select.visible()) {
								select.prev();
							} else {
								onChange(0, true);
							}
							break;

						case KEY.DOWN :
							event.preventDefault();
							if (select.visible()) {
								select.next();
							} else {
								onChange(0, true);
							}
							break;

						case KEY.PAGEUP :
							event.preventDefault();
							if (select.visible()) {
								select.pageUp();
							} else {
								onChange(0, true);
							}
							break;

						case KEY.PAGEDOWN :
							event.preventDefault();
							if (select.visible()) {
								select.pageDown();
							} else {
								onChange(0, true);
							}
							break;

						// matches also semicolon
						case options.multiple
								&& $.trim(options.multipleSeparator) == ","
								&& KEY.COMMA :
						case KEY.TAB :
						case KEY.RETURN :
							if (selectCurrent()) {
								// stop default to prevent a form submit, Opera
								// needs special handling
								event.preventDefault();
								blockSubmit = true;
								return false;
							}
							break;

						case KEY.ESC :
							select.hide();
							break;

						default :
							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++;
				}).blur(function() {
					hasFocus = 0;
					if (!config.mouseDownOnSelect) {
						hideResults();
					}
				}).click(function() {
					// show select when clicking in a focused field
					if (hasFocus++ > 1 && !select.visible()) {
						onChange(0, true);
					}
				}).bind("search", function() {
			// TODO why not just specifying both arguments?
			var fn = (arguments.length > 1) ? arguments[1] : null;
			function findValueCallback(q, data) {
				var result;
				if (data && data.length) {
					for (var i = 0; i < data.length; i++) {
						if (data[i].result.toLowerCase() == q.toLowerCase()) {
							result = data[i];
							break;
						}
					}
				}
				if (typeof fn == "function")
					fn(result);
				else
					$input.trigger("result", result
									&& [result.data, result.value]);
			}
			$.each(trimWords($input.val()), function(i, value) {
						request(value, findValueCallback, findValueCallback);
					});

		}).bind("flushCache", function() {
					cache.flush();
				}).bind("setOptions", function() {
					$.extend(options, arguments[1]);
					// if we've updated the data, repopulate
					if ("data" in arguments[1])
						cache.populate();
				}).bind("unautocomplete", function() {
					select.unbind();
					$input.unbind();
					$(input.form).unbind(".autocomplete");
				});

		function selectCurrent() {
			var selected = select.selected();
			if (!selected)
				return false;

			var v = selected.result;
			previousValue = v;

			if (options.multiple) {
				var words = trimWords($input.val());
				if (words.length > 1) {
					var seperator = options.multipleSeparator.length;
					var cursorAt = $(input).selection().start;
					var wordAt, progress = 0;
					$.each(words, function(i, word) {
								progress += word.length;
								if (cursorAt <= progress) {
									wordAt = i;
									return false;
								}
								progress += seperator;
							});
					words[wordAt] = v;
					// TODO this should set the cursor to the right position,
					// but it gets overriden somewhere
					// $.Autocompleter.Selection(input, progress + seperator,
					// progress + seperator);
					v = words.join(options.multipleSeparator);
				}
				v += options.multipleSeparator;
			}
			$input.val(v);
			hideResultsNow();
			$input.trigger("result", [selected.data, selected.value]);
			// TODO
			$input.trigger("itemSelected", [selected.data, selected.value]);
			return true;
		}

		function onChange(crap, skipPrevCheck) {
			if (lastKeyPressCode == KEY.DEL) {
				select.hide();
				return;
			}

			var currentValue = $input.val();

			if (!skipPrevCheck && currentValue == previousValue)
				return;

			previousValue = currentValue;

			currentValue = lastWord(currentValue);
			if (currentValue.length >= options.minChars) {
				$input.addClass(options.loadingClass);
				if (!options.matchCase)
					currentValue = currentValue.toLowerCase();
				request(currentValue, receiveData, hideResultsNow);
			} else {
				stopLoading();
				select.hide();
			}
		};

		function trimWords(value) {
			if (!value)
				return [""];
			if (!options.multiple)
				return [$.trim(value)];
			return $.map(value.split(options.multipleSeparator),
					function(word) {
						return $.trim(value).length ? $.trim(word) : null;
					});
		}

		function lastWord(value) {
			if (!options.multiple)
				return value;
			var words = trimWords(value);
			if (words.length == 1)
				return words[0];
			var cursorAt = $(input).selection().start;
			if (cursorAt == value.length) {
				words = trimWords(value)
			} else {
				words = trimWords(value.replace(value.substring(cursorAt), ""));
			}
			return words[words.length - 1];
		}

		// fills in the input box w/the first match (assumed to be the best
		// match)
		// q: the term entered
		// sValue: the first matching result
		// sId: the first matching id
		function autoFill(q, sValue, sId) {
			// autofill in the complete box w/the first match as long as the
			// user hasn't entered in more data
			// if the last user key pressed was backspace, don't autofill
			if (options.autoFill
					&& (lastWord($input.val()).toLowerCase() == q.toLowerCase())
					&& lastKeyPressCode != KEY.BACKSPACE) {
				// fill in the value (keep the case the user has typed)
				$input.val($input.val()
						+ sValue.substring(lastWord(previousValue).length));
				// select the portion of the value not typed by the user (so the
				// next character will erase)
				$(input).selection(previousValue.length,
						previousValue.length + sValue.length);

				if (options.hiddenId) {
					$("#" + options.hiddenId).val(sId);
				}
			}
		};

		function hideResults() {
			clearTimeout(timeout);
			timeout = setTimeout(hideResultsNow, 200);
		};

		function hideResultsNow() {
			var wasVisible = select.visible();
			select.hide();
			clearTimeout(timeout);
			stopLoading();
			if (options.mustMatch) {
				// call search and run callback
				$input.search(function(result) {
							// if no value found, clear the input box
							if (!result) {
								if (options.multiple) {
									var words = trimWords($input.val()).slice(
											0, -1);
									$input.val(words
											.join(options.multipleSeparator)
											+ (words.length
													? options.multipleSeparator
													: ""));
								} else {
									$input.val("");
									$input.trigger("result", null);
								}
							}
						});
			}
		};

		function receiveData(q, data) {
			if (data && data.length && hasFocus) {
				stopLoading();
				select.display(data, q);
				// autoFill(q, data[0].value);
				autoFill(q, data[0].value, data[0].id);
				select.show();
			} else {

				hideResultsNow();
			}
		};

		function request(term, success, failure) {
			if (!options.matchCase)
				term = term.toLowerCase();
			var data = cache.load(term);
			// recieve the cached data
			if (data && data.length) {
				success(term, data);
				// if an AJAX url has been supplied, try loading the data now
			} else if ((typeof options.url == "string")
					&& (options.url.length > 0)) {

				var extraParams = {
					timestamp : +new Date()
				};
				$.each(options.extraParams, function(key, param) {
							extraParams[key] = typeof param == "function"
									? param()
									: param;
						});

				$.ajax({
							// try to leverage ajaxQueue plugin to abort
							// previous requests
							mode : "abort",
							type : 'POST',
							// limit abortion to this input
							port : "autocomplete" + input.name,
							dataType : options.dataType
									? options.dataType
									: "json",
							url : options.url,
							data : $.extend({
										key : lastWord(term),
										limit : options.max
									}, extraParams),
							success : function(data) {
								var parsed = options.parse
										&& options.parse(data) || parse(data);
								cache.add(term, parsed);
								success(term, parsed);
							},
							error : function(req, mes, error) {
								// alert("涓庢湇鍔″櫒閫氫俊澶辫触");
								alert("涓庢湇鍔″櫒閫氫俊澶辫触锛? + mes);
							}
						});
			} else {
				// if we have a failure, we need to empty the list -- this
				// prevents the the [TAB] key from selecting the last successful
				// match
				select.emptyList();
				failure(term);
			}
		};

		function parse(data) {
			var parsed = [];
			var rows = data.split("\n");
			for (var i = 0; i < rows.length; i++) {
				var row = $.trim(rows[i]);
				if (row) {
					row = row.split("|");
					parsed[parsed.length] = {
						data : row,
						value : row[0],
						result : options.formatResult
								&& options.formatResult(row, row[0]) || row[0]
					};
				}
			}
			return parsed;
		};

		function stopLoading() {
			$input.removeClass(options.loadingClass);
		};

	};

	$.Autocompleter.defaults = {
		inputClass : "ac_input",
		resultsClass : "fuzzy_search",
		loadingClass : "ac_loading",
		minChars : 1,
		delay : 200,
		matchCase : false,
		matchSubset : true,
		matchContains : true,
		cacheLength : 200,
		max : 200,
		mustMatch : false,
		extraParams : {
			"type" : "general"
		},
		selectFirst : true,
		formatItem: function (row, i, max) {return row.macType;}, 
		formatMatch: function (row, i, max) {return row.id + " " + row.macType;},
		formatResult:function (row) {return row.macType;},
		parse:function (data) {
			return $.map(data, function (row) {
				return {data:row, value:row.macType,result:row.macType,id:row.id};
			});
		},
		autoFill : false, // 鑷姩濉厖
		width : 206,
		multiple : false,
		multipleSeparator : ", ",
		highlight : function(value, term) {
			return value
					.replace(
							new RegExp(
									"(?![^&;]+;)(?!<[^<>]*)("
											+ term
													.replace(
															/([\^\$\(\)\[\]\{\}\*\.\+\?\|\\])/gi,
															"\\$1")
											+ ")(?![^<>]*>)(?![^&;]+;)", "gi"),
							"<strong>$1</strong>");
		},
		scroll : true,
		scrollHeight : 180,
		hiddenId : null
	};

	$.Autocompleter.Cache = function(options) {

		var data = {};
		var length = 0;

		function matchSubset(s, sub) {
			if (!options.matchCase)
				s = s.toLowerCase();
			var i = s.indexOf(sub);
			if (options.matchContains == "word") {
				i = s.toLowerCase().search("\\b" + sub.toLowerCase());
			}
			if (i == -1)
				return false;
			return i == 0 || options.matchContains;
		};

		function add(q, value) {
			if (length > options.cacheLength) {
				flush();
			}
			if (!data[q]) {
				length++;
			}
			data[q] = value;
		}

		function populate() {
			if (!options.data)
				return false;
			// track the matches
			var stMatchSets = {}, nullData = 0;

			// no url was specified, we need to adjust the cache length to make
			// sure it fits the local data store
			if (!options.url)
				options.cacheLength = 1;

			// track all options for minChars = 0
			stMatchSets[""] = [];

			// loop through the array and create a lookup structure
			for (var i = 0, ol = options.data.length; i < ol; i++) {
				var rawValue = options.data[i];
				// if rawValue is a string, make an array otherwise just
				// reference the array
				rawValue = (typeof rawValue == "string")
						? [rawValue]
						: rawValue;

				var value = options.formatMatch(rawValue, i + 1,
						options.data.length);
				if (value === false)
					continue;

				var firstChar = value.charAt(0).toLowerCase();
				// if no lookup array for this character exists, look it up now
				if (!stMatchSets[firstChar])
					stMatchSets[firstChar] = [];

				// if the match is a string
				var row = {
					value : value,
					data : rawValue,
					result : options.formatResult
							&& options.formatResult(rawValue) || value
				};

				// push the current match into the set list
				stMatchSets[firstChar].push(row);

				// keep track of minChars zero items
				if (nullData++ < options.max) {
					stMatchSets[""].push(row);
				}
			};

			// add the data items to the cache
			$.each(stMatchSets, function(i, value) {
						// increase the cache size
						options.cacheLength++;
						// add to the cache
						add(i, value);
					});
		}

		// populate any existing data
		setTimeout(populate, 25);

		function flush() {
			data = {};
			length = 0;
		}

		return {
			flush : flush,
			add : add,
			populate : populate,
			load : function(q) {
				if (!options.cacheLength || !length)
					return null;
				/*
				 * if dealing w/local data and matchContains than we must make
				 * sure to loop through all the data collections looking for
				 * matches
				 */
				if (!options.url && options.matchContains) {
					// track all matches
					var csub = [];
					// loop through all the data grids for matches
					for (var k in data) {
						// don't search through the stMatchSets[""] (minChars:
						// 0) cache
						// this prevents duplicates
						if (k.length > 0) {
							var c = data[k];
							$.each(c, function(i, x) {
										// if we've got a match, add it to the
										// array
										if (matchSubset(x.value, q)) {
											csub.push(x);
										}
									});
						}
					}
					return csub;
				} else
				// if the exact item exists, use it
				if (data[q]) {
					return data[q];
				} else if (options.matchSubset) {
					for (var i = q.length - 1; i >= options.minChars; i--) {
						var c = data[q.substr(0, i)];
						if (c) {
							var csub = [];
							$.each(c, function(i, x) {
										if (matchSubset(x.value, q)) {
											csub[csub.length] = x;
										}
									});
							return csub;
						}
					}
				}
				return null;
			}
		};
	};

	$.Autocompleter.Select = function(options, input, select, config) {
		var CLASSES = {
			ACTIVE : "ac_over"
		};

		var listItems, active = -1, data, term = "", needsInit = true, element, list;

		// Create results
		function init() {
			if (!needsInit)
				return;
			element = $("<div/>").hide().addClass(options.resultsClass).css(
					"position", "absolute").appendTo(document.body);

			list = $("<ul/>").appendTo(element).mouseover(function(event) {
				if (target(event).nodeName
						&& target(event).nodeName.toUpperCase() == 'LI') {
					active = $("li", list).removeClass(CLASSES.ACTIVE)
							.index(target(event));
					$(target(event)).addClass(CLASSES.ACTIVE);
				}
			}).click(function(event) {
						$(target(event)).addClass(CLASSES.ACTIVE);
						select();
						// TODO provide option to avoid setting focus again
						// after selection? useful for cleanup-on-focus
						input.focus();
						return false;
					}).mousedown(function() {
						config.mouseDownOnSelect = true;
					}).mouseup(function() {
						config.mouseDownOnSelect = false;
					});

			if (options.width > 0)
				element.css("width", options.width);

			needsInit = false;
		}

		function target(event) {
			var element = event.target;
			while (element && element.tagName != "LI")
				element = element.parentNode;
			// more fun with IE, sometimes event.target is empty, just ignore it
			// then
			if (!element)
				return [];
			return element;
		}

		function moveSelect(step) {
			listItems.slice(active, active + 1).removeClass(CLASSES.ACTIVE);
			movePosition(step);
			var activeItem = listItems.slice(active, active + 1)
					.addClass(CLASSES.ACTIVE);
			if (options.scroll) {
				var offset = 0;
				listItems.slice(0, active).each(function() {
							offset += this.offsetHeight;
						});
				if ((offset + activeItem[0].offsetHeight - list.scrollTop()) > list[0].clientHeight) {
					list.scrollTop(offset + activeItem[0].offsetHeight
							- list.innerHeight());
				} else if (offset < list.scrollTop()) {
					list.scrollTop(offset);
				}
			}
		};

		function movePosition(step) {
			active += step;
			if (active < 0) {
				active = listItems.size() - 1;
			} else if (active >= listItems.size()) {
				active = 0;
			}
		}

		function limitNumberOfItems(available) {
			return options.max && options.max < available
					? options.max
					: available;
		}

		function fillList() {
			list.empty();
			var max = limitNumberOfItems(data.length);
			for (var i = 0; i < max; i++) {
				if (!data[i])
					continue;
				var formatted = options.formatItem(data[i].data, i + 1, max,
						data[i].value, term);
				if (formatted === false)
					continue;

				var html = options.highlight(formatted, term);
				var li = $("<li/>").html(html).addClass(i % 2 == 0
						? "ac_even"
						: "ac_odd").appendTo(list)[0];
				$.data(li, "ac_data", data[i]);
			}
			listItems = list.find("li");
			if (options.selectFirst) {
				listItems.slice(0, 1).addClass(CLASSES.ACTIVE);
				active = 0;
			}

			// apply bgiframe if available
			if ($.fn.bgiframe)
				list.bgiframe();
		}

		return {
			display : function(d, q) {
				init();
				data = d;
				term = q;
				fillList();
			},
			next : function() {
				moveSelect(1);
			},
			prev : function() {
				moveSelect(-1);
			},
			pageUp : function() {
				if (active != 0 && active - 8 < 0) {
					moveSelect(-active);
				} else {
					moveSelect(-8);
				}
			},
			pageDown : function() {
				if (active != listItems.size() - 1
						&& active + 8 > listItems.size()) {
					moveSelect(listItems.size() - 1 - active);
				} else {
					moveSelect(8);
				}
			},
			hide : function() {
				element && element.hide();
				listItems && listItems.removeClass(CLASSES.ACTIVE);
				active = -1;
			},
			visible : function() {
				return element && element.is(":visible");
			},
			current : function() {
				return this.visible()
						&& (listItems.filter("." + CLASSES.ACTIVE)[0] || options.selectFirst
								&& listItems[0]);
			},
			show : function() {
				var offset = $(input).offset();
				element.css({
					width : typeof options.width == "string"
							|| options.width > 0 ? options.width : $(input)
							.width(),
					top : offset.top + input.offsetHeight - 1,
					left : offset.left
				}).show();
				if (options.scroll) {
					list.scrollTop(0);
					list.css({
								maxHeight : options.scrollHeight,
								overflowY : 'auto',
								overflowX : 'hidden'
							});
					// if($.browser.msie && typeof document.body.style.maxHeight
					// === "undefined") {
					if ($.browser.msie
							&& typeof((typeof document.body.style.maxHeight === "undefined") || (document.body.style.maxHeight == ''))) {
						var listHeight = 0;
						element.find("li").each(function() {
									listHeight += this.offsetHeight;
								});
						var scrollbarsVisible = listHeight > options.scrollHeight;
						list.css('height', scrollbarsVisible
										? options.scrollHeight
										: listHeight);
						if (!scrollbarsVisible) {
							// IE doesn't recalculate width when scrollbar
							// disappears
							listItems.width(list.width()
									- parseInt(listItems.css("padding-left"))
									- parseInt(listItems.css("padding-right")));
						}
					}

				}
			},
			selected : function() {
				var selected = listItems
						&& listItems.filter("." + CLASSES.ACTIVE)
								.removeClass(CLASSES.ACTIVE);
				return selected && selected.length
						&& $.data(selected[0], "ac_data");
			},
			emptyList : function() {
				list && list.empty();
			},
			unbind : function() {
				element && element.remove();
			}
		};
	};

	$.fn.selection = function(start, end) {
		if (start !== undefined) {
			return this.each(function() {
						if (this.createTextRange) {
							var selRange = this.createTextRange();
							if (end === undefined || start == end) {
								selRange.move("character", start);
								selRange.select();
							} else {
								selRange.collapse(true);
								selRange.moveStart("character", start);
								selRange.moveEnd("character", end);
								selRange.select();
							}
						} else if (this.setSelectionRange) {
							this.setSelectionRange(start, end);
						} else if (this.selectionStart) {
							this.selectionStart = start;
							this.selectionEnd = end;
						}
					});
		}
		var field = this[0];
		if (field.createTextRange) {
			var range = document.selection.createRange(), orig = field.value, teststring = "<->", textLength = range.text.length;
			range.text = teststring;
			var caretAt = field.value.indexOf(teststring);
			field.value = orig;
			this.selection(caretAt, caretAt + textLength);
			return {
				start : caretAt,
				end : caretAt + textLength
			}
		} else if (field.selectionStart !== undefined) {
			return {
				start : field.selectionStart,
				end : field.selectionEnd
			}
		}
	};

})(jQuery);