jQuery.fn.liveSearch = function (conf) {

	var config = jQuery.extend({

		url:			'/search-results.php?q=', 

		id:				'jquery-live-search', 

		duration:		400, 

		typeDelay:		200,

		loadingClass:	'loading', 

		onSlideUp:		function () {}, 
		uptadePosition:	false

	}, conf);


	var liveSearch	= jQuery('#' + config.id);


	// Create live-search if it doesn't exist

	if (!liveSearch.length) {

		liveSearch = jQuery('<div id="' + config.id + '"></div>')
						.appendTo(document.body)
						.hide()
						.slideUp(0);


		// Close live-search when clicking outside it

		jQuery(document.body).click(function(event) {

			var clicked = jQuery(event.target);



			if (!(clicked.is('#' + config.id) || clicked.parents('#' + config.id).length || clicked.is('input'))) {

				liveSearch.slideUp(config.duration, function () {

					config.onSlideUp();

				});

			}

		});

	}


	return this.each(function () {

		var input							= jQuery(this).attr('autocomplete', 'off');

		var liveSearchPaddingBorderHoriz	= parseInt(liveSearch.css('paddingLeft'), 10) + parseInt(liveSearch.css('paddingRight'), 10) + parseInt(liveSearch.css('borderLeftWidth'), 10) + parseInt(liveSearch.css('borderRightWidth'), 10);

		// Re calculates live search's position
		var repositionLiveSearch = function () {
			var tmpOffset	= input.offset();

			var inputDim	= {

				left:		tmpOffset.left, 

				top:		tmpOffset.top, 

				width:		input.outerWidth(), 

				height:		input.outerHeight()

			};



			inputDim.topPos		= inputDim.top + inputDim.height;

			inputDim.totalWidth	= inputDim.width - liveSearchPaddingBorderHoriz;


			liveSearch.css({

				position:	'absolute', 

				//left:		inputDim.left + 'px', 

				//top:		inputDim.topPos + 'px',

				//width:		inputDim.totalWidth + 'px'
				left:		inputDim.left-132 + 'px', 

				top:		inputDim.topPos + 5 + 'px',
				
				width:		'360px'

			});
		};

		// Shows live-search for this input
		var showLiveSearch = function () {
			// Always reposition the live-search every time it is shown
			// in case user has resized browser-window or zoomed in or whatever
			repositionLiveSearch();

			// We need to bind a resize-event every time live search is shown
			// so it resizes based on the correct input element
			$(window).unbind('resize', repositionLiveSearch);
			$(window).bind('resize', repositionLiveSearch);

			liveSearch.slideDown(config.duration);
		};

		// Hides live-search for this input
		var hideLiveSearch = function () {
			liveSearch.slideUp(config.duration, function () {

				config.onSlideUp();

			});
		};


		input
			// On focus, if the live-search is empty, perform an new search
			// If not, just slide it down. Only do this if there's something in the input

			.focus(function () {

				if (this.value !== '') {
					// Perform a new search if there are no search results

					if (liveSearch.html() == '') {

						this.lastValue = '';

						input.keyup();

					}
					// If there are search results show live search

					else {
						// HACK: In case search field changes width onfocus
						setTimeout(showLiveSearch, 1);
					}

				}

			})
			// Auto update live-search onkeyup

			.keyup(function () {
				// Don't update live-search if it's got the same value as last time

				if (this.value != this.lastValue) {

					input.addClass(config.loadingClass);



					var q = this.value;


					// Stop previous ajax-request

					if (this.timer) {

						clearTimeout(this.timer);

					}


					// Start a new ajax-request in X ms

					this.timer = setTimeout(function () {

						jQuery.get(config.url + q, function (data) {

							input.removeClass(config.loadingClass);

							
							// Show live-search if results and search-term aren't empty

							if (data.length && q.length) {

								liveSearch.html(data);
								showLiveSearch();

							}

							else {
								hideLiveSearch();

							}

						});

					}, config.typeDelay);



					this.lastValue = this.value;

				}

			});

	});

};