(function($) {
	$.fn.jsonSuggest = function(searchData, settings) {
		var defaults = { minCharacters: 1, maxResults: undefined, wildCard: "", caseSensitive: false, notCharacter: "!", maxHeight: 350, highlightMatches: true, onSelect: undefined, ajaxResults: false, delayTime: 400, URL: "", extraParams: {} };
		settings = $.extend(defaults, settings);
		var inputTextBeforeKeyPress = "";
		var timer = null;
		return this.each(function() {
			function regexEscape(txt, omit) {
				var specials = ['/', '.', '*', '+', '?', '|', '(', ')', '[', ']', '{', '}', '\\']; if (omit) { for (var i = 0; i < specials.length; i++) { if (specials[i] === omit) { specials.splice(i, 1); } } }
				var escapePatt = new RegExp('(\\' + specials.join('|\\') + ')', 'g'); return txt.replace(escapePatt, '\\$1');
			}
			var obj = $(this), wildCardPatt = new RegExp(regexEscape(settings.wildCard || ''), 'g'), results = $('<div />'), currentSelection, pageX, pageY; function selectResultItem(item) { obj.val(item.text); $(results).html('').hide(); if (typeof settings.onSelect === 'function') { settings.onSelect(item); } }
			function setHoverClass(el) { $('div.resultItem', results).removeClass('hover'); $(el).addClass('hover'); currentSelection = el; }

			//To display the current selected text into input box
			//if there is no selection the current entered text will be displayed 
			function setSelectedTextToInput(el) {

				if ((el != null) && (el[0] != null)) {
					if (el[0].innerText != null) {
						obj.val(el[0].innerText); //To set value to the input box
					}
					else {//FIREFOX
						obj.val(el[0].textContent);
					}
				}
				else if (el != null) {
					if (el.innerText != null) {
						obj.val(el.innerText);
					}
					else {//FIREFOX
						obj.val(el.textContent);
					}
				}
				else if (el == null) {
					obj.val(inputTextBeforeKeyPress);
				}
			}

			function buildResults(resultObjects, sFilterTxt) {
				inputTextBeforeKeyPress = sFilterTxt;
				sFilterTxt = "(" + sFilterTxt + ")"; var bOddRow = true, i, iFound = 0, filterPatt = settings.caseSensitive ? new RegExp(sFilterTxt, "g") : new RegExp(sFilterTxt, "ig"); $(results).html('').hide(); for (i = 0; i < resultObjects.length; i += 1) {
					var item = $('<div />'), text = resultObjects[i].text; if (settings.highlightMatches === true) { text = text.replace(filterPatt, "<strong>$1</strong>"); }
					$(item).append('<p class="textJsonSuggest">' + text + '</p>'); if (typeof resultObjects[i].extra === 'string') { $(item).append('<p class="extra">' + resultObjects[i].extra + '</p>'); }
					if (typeof resultObjects[i].image === 'string') { $(item).prepend('<img src="' + resultObjects[i].image + '" />').append('<br style="clear:both;" />'); }
					$(item).addClass('resultItem').addClass((bOddRow) ? 'odd' : 'even').click(function(n) { return function() { selectResultItem(resultObjects[n]); }; } (i)).mouseover(function(el) { return function() { setHoverClass(el); }; } (item)); $(results).append(item); bOddRow = !bOddRow; iFound += 1; if (typeof settings.maxResults === 'number' && iFound >= settings.maxResults) { break; }
				}
				if ($('div', results).length > 0) { currentSelection = undefined; $(results).show().css('height', 'auto'); if ($(results).height() > settings.maxHeight) { $(results).css({ 'overflow': 'auto', 'height': settings.maxHeight + 'px' }); } }
			}
			function runSuggest(e) {
				if (this.value.length < settings.minCharacters) { $(results).html('').hide(); return false; }
				var resultObjects = [], sFilterTxt = (!settings.wildCard) ? regexEscape(this.value) : regexEscape(this.value, settings.wildCard).replace(wildCardPatt, '.*'), bMatch = true, filterPatt, i; if (settings.notCharacter && sFilterTxt.indexOf(settings.notCharacter) === 0) { sFilterTxt = sFilterTxt.substr(settings.notCharacter.length, sFilterTxt.length); if (sFilterTxt.length > 0) { bMatch = false; } }
				sFilterTxt = sFilterTxt || '.*'; sFilterTxt = settings.wildCard ? '^' + sFilterTxt : sFilterTxt; filterPatt = settings.caseSensitive ? new RegExp(sFilterTxt) : new RegExp(sFilterTxt, "i"); if (settings.ajaxResults === true) { var extraParams = { terms: this.value, quantity: settings.maxResults }; $.each(settings.extraParams, function(key, param) { extraParams[key] = typeof param == "function" ? param() : param; });   $.ajax({ type: "POST", url: settings.URL, data: JSON.stringify(extraParams, null, null), contentType: "application/json; charset=utf-8", dataType: "json", success: function(msg) { if (msg == null) { resultObjects = []; } else { resultObjects = msg.d; } if (typeof resultObjects === 'string') { resultObjects = JSON.parse(resultObjects); } buildResults(resultObjects, sFilterTxt); } }); }
				else { for (i = 0; i < searchData.length; i += 1) { if (filterPatt.test(searchData[i].text) === bMatch) { resultObjects.push(searchData[i]); } } }
				buildResults(resultObjects, sFilterTxt);
			}
			function keyListener(e) {
				switch (e.keyCode) {
					case 13: $(results).html('').hide(); return false;
					case 40: if (typeof currentSelection === 'undefined') { currentSelection = $('div.resultItem:first', results).get(0); }
						else { currentSelection = $(currentSelection).next().get(0); }
						setHoverClass(currentSelection);
						setSelectedTextToInput(currentSelection);
						if (currentSelection) { $(results).scrollTop(currentSelection.offsetTop); }
						return false;
					case 38: if (typeof currentSelection === 'undefined') { currentSelection = $('div.resultItem:last', results).get(0); }
						else { currentSelection = $(currentSelection).prev().get(0); }
						setHoverClass(currentSelection);
						setSelectedTextToInput(currentSelection);
						if (currentSelection) { $(results).scrollTop(currentSelection.offsetTop); }
						return false;
					default:
						var me = this;
						if (timer) {
							window.clearTimeout(timer)
						}
						timer = window.setTimeout(
						function() {
							timer = null;
							runSuggest.apply(me, [e]);
						}
						, settings.delayTime);

				}
			}
			$(results).addClass('jsonSuggestResults').css({ 'top': (obj.position().top + obj.height() + 5) + 'px', 'left': obj.position().left + 'px', 'width': obj.width() + 'px' }).hide(); obj.after(results).keyup(keyListener).blur(function(e) { var resPos = $(results).offset(); resPos.bottom = resPos.top + $(results).height(); resPos.right = resPos.left + $(results).width(); if (pageY < resPos.top || pageY > resPos.bottom || pageX < resPos.left || pageX > resPos.right) { $(results).hide(); } }).focus(function(e) { $(results).css({ 'top': (obj.position().top + obj.height() + 5) + 'px', 'left': obj.position().left + 'px' }); if ($('div', results).length > 0) { $(results).show(); } }).attr('autocomplete', 'off'); $().mousemove(function(e) { pageX = e.pageX; pageY = e.pageY; }); if ($.browser.opera) { obj.keydown(function(e) { if (e.keyCode === 40) { return keyListener(e); } }); }
			settings.notCharacter = regexEscape(settings.notCharacter || ''); if (!settings.ajaxResults) {
				if (typeof searchData === 'function') { searchData = searchData(); }
				if (typeof searchData === 'string') { searchData = JSON.parse(searchData); }
			}
		});
	};
})(jQuery);