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);
	$results.hide().addClass(options.resultsClass).css("position", "absolute");
	if( options.width > 0 ) $results.css("width", options.width);

	// Add to body element
	$("body").append(results);

	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();

	$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.get(0).blur();
					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
		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;
		var prevQ = prev
		prev = v;
		if (v.length >= options.minChars) {
			$input.addClass(options.loadingClass);
			requestData(v, prevQ);
		} 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");

		// 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;
		}
	};

	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)
	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(0, 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) + 5 + "px",
			left: pos.x + 3 +"px"
		}).show();
	};

	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) {
			var v = $input.val();
			if (v != input.lastSelected) {
				selectItem(null);
			}
		}
	};

	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
				$results.append(document.createElement('iframe'));
			}
			results.appendChild(dataToDom(data, q));
			// autofill in the complete box w/the first match as long as the user hasn't entered in more data
			if( options.autoFill && ($input.val().toLowerCase() == q.toLowerCase()) ) autoFill(data[0]);
			showResults();
		} else {
			hideResultsNow();
		}
	};

	function parseData(data) {
		if (!data) return null;
		var parsed = [];
		var rows = data.split(options.cellSeparator);

		for (var i=0; i < rows.length; i++) {
			var row = $.trim(rows[i]);
			if (row) {
				parsed[parsed.length] = row.split(options.cellSeparator);
			}
		}
		return rows;
	};

	function dataToDom(data, q) {
		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 = options.highlight(row, q);
				i%2 == 0 ? li.setAttribute("class", "ac_even") : li.setAttribute("class", "ac_odd");
				li.selectValue = row;
			}
			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) });
		}
		return ul;
	};

	var prevQ = false

	function requestData(q, prevQ) {
		if (!options.matchCase) q = q.toLowerCase()//.substr(0,2);
		//console.log(prevQ.substr(0,2)+', '+q)
		var data = options.cacheLength ? loadFromCache(q) : null;
		// recieve the cached data
		if (data) {
		//alert(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) && (prevQ.substr(0,2) != q.substr(0,2)) ){
			//var url = "genFiles/"+q+".txt";
			var url = acBaseURL+q+".txt"

			$.ajax({
				url: url,
				error: function(data) {
				    //alert("error");
				    //if(typeof(console) == 'object'){console.error('autosuggest error')}
				},
				success: function(data) {
					if (data == "") {
						data = "Sorry...No Results Found. Please Try Another Search Term|";
					}
					if ($.browser.msie) {
						data = data.split("|");
					}
					else {
						data = data.split("|");
					}
					addToCache(q, data);
					receiveData(q, data);
				}
			});
		// if there's been no data found, remove the loading class
		} else {
			$input.removeClass(options.loadingClass);
		}
	};

	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];
						if (matchSubset(x, 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;
		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;
	};

	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};
	}
}

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 || "\n";
	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) //|| 643;

	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);
}

function selectItem(li) {
	//console.log('selectItem');
	/* Added for 08_19 Auto Complete Related Search Enhancement Start 
	var i = 0;
	var relatedWords = '';
	var relatedWordsSize = 3;
	$(li).parent().find('li').each(function() {
		if(li.selectValue != this.selectValue) {
			i++;
			if(relatedWords != '') {
				relatedWords = relatedWords+'|';
			}			
			relatedWords = relatedWords+this.selectValue;
			if(i == relatedWordsSize) {
				return false;
			}
		}
	});
	if(relatedWords != '') {
		$('#srchFrm').append("<input type='hidden' name='relatedwords' value='"+relatedWords+"'/>");
	}
	Added for 08_19 Auto Complete Related Search Enhancement End */	
	$('#keyword').val(li.selectValue);
	$('#srchFrm').submit();
}

/* The following methods are used to retrieve the related keywords, by making ajax call to webserver*/

function retrieveRelatedWords(dq) {
	var retriveddata="";
	q = dq.toLowerCase().substr(0,2);
	var url = acBaseURL+q+".txt"
	$.ajax({
		url: url,
		error: function(data) {
		},
		success: function(data) {
			if (data == "") {
				data = "Sorry...No Results Found. Please Try Another Search Term|";
			}
			if ($.browser.msie) {
				data = data.split("|");
			}
			else {
				data = data.split("|");
			}
			var relatedKeyWords="";
			/*Filter the entire set of data and retrieve the related words corresponding to your keyword*/
			relatedKeyWords		= FilterFromData(dq, data);
			var relatedWords 	= String(relatedKeyWords);
			var actualWord 		= '';
		    if(relatedWords != undefined && relatedWords != null && relatedWords != '') {
		    	var searchSuggestionsDiv = $("div#content div#other_results");
		    	if($(searchSuggestionsDiv).length > 0) {
			       	var keywordsArray = relatedWords.split(",");
			       	var keyArray  = filterFirstThreeWords(keywordsArray,dq);
			       	var keywordArray = keyArray.split(",");
			       	if(keywordArray !=null && keywordArray !=''){
				       	var domKeywords = "";
				       	domKeywords = "Related searches : <span>";
						for(var i = 0; i < 3;i++) {
							if(keywordArray[i] !=null){
							if(i > 0) {
								domKeywords += ',\n';
							}
							actualWord = keywordArray[i].replace(/\+/g," ");
				 			domKeywords += '<a title="'+actualWord+'" href="search_'+getStoreId()+'_'+catalogId+'?keyword='+keywordArray[i]+'">&lt;'+actualWord+'&gt;</a>';
							}
				   		}
				   		domKeywords += "</span>";
						$(searchSuggestionsDiv).html(domKeywords).show();
					}
				}
		   	}
		}
	});
	return retriveddata;
};

function FilterFromData(q, data) {
	if (!q) return null;
	for (var i = q.length - 1; i >= 1; i--) {
		var qs = q.substr(0, i);
		var c = data;
		if (c) {
			var csub = [];
			for (var j = 0; j < c.length; j++) {
				var x = c[j];
				if (matchSubsetRelated(x, q)) {
					csub[csub.length] = x;
				}
			}
			return csub;
		}
	}
};

function matchSubsetRelated(s, sub) {
	s = s.toLowerCase();
	var i = s.indexOf(sub);
	if (i == -1) return false;
	return i == 0 || 3;
};

function filterFirstThreeWords(keywordsArray,dq) {
	if(null!=keywordsArray && null!=dq){
		var keywordArray = '';
		var add = false;
			for(i=0;i<4;i++){
				if(keywordArray != '' && keywordsArray[i] && add) {
					keywordArray = keywordArray+',';
					add = false;
				}
				if(keywordsArray[i]!=dq && keywordsArray[i]){
					keywordArray += keywordsArray[i];
					add = true;
				}
			}			
		return keywordArray;
	}	
};
/* End of changes for related keywords*/