jQuery.autocomplete = function(input, options) {
	// Create a link to self
	var me = this;
	var ua = navigator.userAgent.toLowerCase();
	if ( ua.indexOf( "opera" ) != -1 ) {
		browserName = "opera";
	} else if ( ua.indexOf( "msie" ) != -1 ) {
		browserName = "msie";
	} else if ( ua.indexOf( "safari" ) != -1 ) {
		browserName = "safari";
	} else if ( ua.indexOf( "mozilla" ) != -1 ) {
	if ( ua.indexOf( "firefox" ) != -1 ) {
		browserName = "firefox";
	} else {
		browserName = "mozilla";
	}
	}

	//var stepHeight = 24.7; //Firefox image: 24.7 IE image: 25, Firefox Text: 18.4, IE Text: 19
	var stepHeight;
	if (browserName == "msie") stepHeight = 25;
	else stepHeight = 24.7 ;
	//if (browserName == "msie") stepHeight = 21;
	//else stepHeight = 23.5;

	// 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");

	var $current = $(".ac_over");

	// Create jQuery object for results
	var $results = $(results);
	$results.hide().addClass(options.resultsClass);

	//if (options.width > 0) $results.css("width", options.width);

		// Add to body element
	//$("body").append(results);
	//There is an error in div scrollbar's onblur event in IE 7 and below. Clicking a
	//scrollbar will fire an onblur event which will hide the result. To solve this
	//bug, add a bigger div which will include the result div. --klu
	var wrapper = document.createElement("div");

	var $wrapper = $(wrapper);

	$wrapper.attr("id", "autocomplete_result_wrapper");
	$wrapper.attr("style", "border:0; border-color:Transparent");
	//$wrapper.hide().addClass(options.resultsClass);
	$wrapper.append(results);
	$("body").append(wrapper);
	//$("body").append(results);

	/*$("#autocomplete_result_wrapper").blur(function() {
		// track whether the field has focus
		//alert("in blur");
		//hasFocus = false;
		hideResults();
	});*/

	//$wrapper.click(function(){alert("click");});

	input.autocompleter = me;

	var timeout = null;
	var prev = "";
	var active = -1;
	var cache = {};
	var keyb = false;
	var hasFocus = false;
	var lastKeyPressCode = null;

	// flush cache
	function flushCache(){
		cache = {};
		cache.data = {};
		cache.length = 0;
	};

	// flush cache
	flushCache();

	// if there is a data array supplied
	if( options.data != null ){
		var sFirstChar = "", stMatchSets = {}, row = [];

		// 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);
			}
		}

		// 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]);
		}
	}

	$input
	.keydown(function(e) {
		// track last key pressed
		lastKeyPressCode = e.keyCode;

		//var stepHeight = $results.find('li').outerHeight();
		//var stepHeight = 24.7; //Firefox image: 24.7 IE image: 25, Firefox Text: 18.4, IE Text: 19

		//if (browserName == "msie") stepHeight = 21;
		//else stepHeight = 23.5;;

		switch(e.keyCode) {
			case 38: // up
				e.preventDefault();
				moveSelect(-1);

				$results.get(0).scrollTop -= stepHeight;
				var lis = $("li", results);
				var position1 = $(lis[active]).position().top;
				if (position1<0)
					$results.get(0).scrollTop -= position1;
				if (position1 > 2)
					$results.get(0).scrollTop += position1;

				/*// set the scroll bar position
				var lis = $("li", results);
				var position1 = $(lis[active]).position().top;

				if (position1>-18 && position1<0){
					$results.get(0).scrollTop -= stepHeight;

					if (position1 > 0.1 ||position1 < - 0.5)
						$results.get(0).scrollTop += position1;
				}
				//if (position1<0)

				//$("#Mytest").text(position1);	*/

				break;
			case 40: // down
				e.preventDefault();
				moveSelect(1);

				// set the scroll bar position
				/*if (active > 0) {
					$results.get(0).scrollTop += stepHeight;
				}*/

				if (active > 0)
				{
					$results.get(0).scrollTop += stepHeight;
					var lis = $("li", results);
					var position = $(lis[active]).position().top;
					//$("#Mytest").text(position);

					if (position > 0.5 ||position < - 0.5) {
						$results.get(0).scrollTop += position;
					}
				}
				break;
			case 9:  // tab
			case 13: // return
				if( selectCurrent() ){
					// make sure to blur off the current field
					$input.get(0).blur();
					setHiding();
					//hasFocus = false;
					//hideResults();
					e.preventDefault();
				}
				break;
			default:
				active = -1;
				if (timeout) clearTimeout(timeout);
				timeout = setTimeout(function(){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
		//the blur event can't work correctly in IE. When click a scrollbar, the blur event (Noted: the $result event,
		//not the $input event!) will be miss-triggered and hide the result list.
		//alert("scroll blur?");
		hasFocus = false;
		//hideResults();
	});

	$('body').click(function() {
		if (!hasFocus){
			setHiding();
		}

	});

	$('autocomplete_result_wrapper').click(function(event){
		event.stopPropagation();
	});

	function setHiding(){
		// track whether the field has focus
		hasFocus = false;

		hideResults();
	}

	hideResultsNow();

	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 == prev) return;
		prev = v;
		if (v.length >= options.minChars ) {
			$input.addClass(options.loadingClass);
			//$("#Mytest").text(v.length);
			requestData(v);
		} else {
			$input.removeClass(options.loadingClass);
			$results.hide();
		}

	};

 	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");

		//var position = $(lis[active]).position();
	};

	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;
		}
	};

	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();
		if (options.onItemSelect) setTimeout(function() { options.onItemSelect(li) }, 1);
	};

	// 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)
	// This only works at the condition that the keyword must be the first characters. In this control the keyword can locate anywhere. --klu
	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() {
		// reset the scroll position to the top
		$results.get(0).scrollTop = 0;

		// set width to the same as the input box
		var width = $input.outerWidth();

		// get percentage width of the outer container
		var width_container = Math.round(($input.parents('form').outerWidth() - $input.position().left) * 0.8);

		// set results width to whichever of the above is wider
		if (width_container > width) {
			var width = width_container;
		}

		// set the height of the results to the line height * num results
		if (!options.rows_display) {
			options.rows_display = 9;
		}
		var height = options.rows_display * parseInt($results.find('li').outerHeight());

		// get the x & y pos for the results
		var offset = $input.offset();
		var xpos = Math.round(offset.left);
		var ypos = Math.round(offset.top) + $input.outerHeight();


		$wrapper.css({
			width: (width + 5) + 'px',
			height: (height + 5) + 'px',
			top: ypos + 'px',
			left: xpos + 'px',
			//'border-width': '0.2em',
			//'border-style': 'dotted',
			//'border-color': '#900',
			'overflow-x': 'hidden',
			'overflow-y': 'auto'
			//'filter': 'alpha(opacity=60)',
			//'-moz-opacity': '0.6',
			//'opacity': '0.6'
		}).show();

		$results.css({
			width: width + 'px',
			height: height + 'px',
			top: ypos + 'px',
			left: xpos + 'px'
		}).show();

	};

	function hideResults() {
		if (timeout) clearTimeout(timeout);
		timeout = setTimeout(hideResultsNow, 200);
		$results.height(-1);
		$wrapper.hide();
	};

	function hideResultsNow() {
		if (timeout) clearTimeout(timeout);
		$input.removeClass(options.loadingClass);
		if ($results.is(":visible")) {
			$results.hide();
		}
		if (options.mustMatch) {
			var v = $input.val();
			if (v != input.lastSelected) {
				selectItem(null);
			}
		}

		$wrapper.hide();
	};

	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 {
			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);
			}
		}
		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];
			var cells = row[0].split("===");

			if (!row) continue;
			var li = document.createElement("li");

			//if (options.formatItem){
			if (false) {
				li.innerHTML = options.formatItem(cells[0], i, num) ;
				li.selectValue = cells[0];
			}
			else {
				li.innerHTML = cells[0];
				/*if (cells[1] == 920)
					li.innerHTML = "<img src='../files/images/icons/icon_office.gif' />" + cells[0];
				else if (cells[1] == 921)
					li.innerHTML = "<img src='../files/images/icons/icon_industrial.gif' />" + cells[0];*/
				li.selectValue = cells[0];
			}
			//$("#Mytest").text(li.innerHTML);


			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() { $("li", ul).removeClass("ac_over"); $(this).addClass("ac_over"); active = $("li", ul).indexOf($(this).get(0)); },
				function() { $(this).removeClass("ac_over"); }
			).click(function(e) { e.preventDefault(); e.stopPropagation(); selectItem(this) });
			/*if (cells[1] == 920)
				li.innerHTML = "OFFICE: " + li.innerHTML;
			else if (cells[1] == 921)
				li.innerHTML = "INDUSTRIAL: " + li.innerHTML;*/
			if (cells[1] == 920)
				//li.innerHTML = "<img src='o.gif' />" + li.innerHTML;
				li.innerHTML = "<img src='../files/images/icons/icon_office.gif' />" + li.innerHTML;
			else if (cells[1] == 921)
				//li.innerHTML = "<img src='i.gif' />" + li.innerHTML;
				li.innerHTML = "<img src='../files/images/icons/icon_industrial.gif' />" + li.innerHTML;
			// retail = 1 in cIteratorGenericList.php SQL as a hack
			else if (cells[1] == 1)
				//li.innerHTML = "<img src='i.gif' />" + li.innerHTML;
				li.innerHTML = "<img src='../files/images/icons/icon_retail.gif' />" + li.innerHTML;
		}
		return ul;
	};

	function requestData(q) {
		if (!options.matchCase) q = q.toLowerCase();
		//var data = options.cacheLength ? loadFromCache(q) : null;
		var data = 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=" + encodeURI(q);
		for (var i in options.extraParams) {
			url += "&" + i + "=" + encodeURI(options.extraParams[i]);
		}*/
		var url = options.url + "&q=" + escape(q);
		for (var i in options.extraParams) {
			url += "&" + i + "=" + encodeURI(options.extraParams[i]);
		}
		//$("#Mytest").text(url);
		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 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;
		data = 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);
		}
	}

	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);
	}

	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;*/
	};
}

jQuery.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
	options.inputClass = options.inputClass || "ac_input";
	options.resultsClass = options.resultsClass || "ac_results";
	options.lineSeparator = options.lineSeparator || "---";
	options.cellSeparator = options.cellSeparator || "#";
	options.minChars = options.minChars || 1;
	options.delay = options.delay || 400;
	options.matchCase = options.matchCase || 0;
	options.matchSubset = 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;
	options.maxItemsToShow = options.maxItemsToShow || -1;
	options.autoFill = options.autoFill || false;
	options.width = parseInt(options.width, 10) || 0;
	options.height = parseInt (options.height, 10) || 0;

	this.each(function() {
		var input = this;
		new jQuery.autocomplete(input, options);
	});

	// Don't break the chain
	return this;
}

jQuery.fn.autocompleteArray = function(data, options) {
	return this.autocomplete(null, options, data);
}

jQuery.fn.indexOf = function(e){
	for( var i=0; i<this.length; i++ ){
		if( this[i] == e ) return i;
	}
	return -1;
};

function findValue(li) {
	// if coming from an AJAX call, let's use the Id as the value
	if( !!li.extra ) var sValue = li.extra[0];

	// otherwise, let's just display the value in the text box
	else var sValue = li.selectValue;

	//alert("The value you selected was: " + sValue);
}

function selectItem(li) {
	findValue(li);
}

function formatItem(row) {
	return row[0];
}