/*
#		jQuery Slinky Slider Plugin
#		---------------------------
#		Version:			1.0
#		---------------------------
#		Author:				samhs
# 		http://ohwrite.co.uk/jquery/jquery-plugin-slinky-slider/
#		http://docs.jquery.com/Plugins/SlinkySlider
#
# 		Copyright (c) 2009 Sam Hampton-Smith
#
#		Dual licensed under the MIT and GPL licenses:
#	 	http://www.opensource.org/licenses/mit-license.php
#		http://www.gnu.org/licenses/gpl.html
#
#		Please view files mit.txt and gpl.txt for full license terms
#		And include these two files if you redistribute this software
*/


; (function($) {

	$.fn.slinkySlider = function(settings) {
		// Utility variables - do not alter
		var currentpanel;
		var panelwidth;
		var goforward = true;
		var t;
		settings = $.extend({}, $.fn.slinkySlider.defaults, settings);
		return $(this).each(function() {
			panelwidth = $(this).width();
			$(this).css("overflow", "hidden");
			settings.largesize = panelwidth - ((settings.numberofpanels - 1) * (settings.smallsize + settings.panelspacing));
			var container = $(this);
			var elheight = container.height();
			for (var i = 1; i <= settings.numberofpanels; i++) {
				$(this).append("<div class='panelwrappers'><div class='panel'></div></div>");
				$(".panelwrappers:last .panel").load(settings.panelname + i + ".html").parents(".panelwrappers").data("number", i);
			}
			currentpanel = $(".panelwrappers:first");
			$(".panelwrappers").css({
				"width": settings.smallsize + "px",
				"float": "left",
				"height": "300px"
			});
			$(".panels").css({
				"width": settings.largesize + "px",
				"height": "500px"
			});
			$(currentpanel).css("width", settings.largesize + "px").css("height", "500px");
			$(".panelwrappers").not(":last").css("margin-right", settings.panelspacing + "px");
			$(".panelwrappers").each(function() {
				$(this).mouseover(function() { switchpanel(this); });
			});
			if (settings.doauto) t = setTimeout(function() { switchpanel(null); }, settings.autotimer);
		});

		function switchpanel(newpanel) {
			if (newpanel == currentpanel) {
				// do nothing because we're already on this panel
			} else {
				var auto = false;
				if (newpanel == null) {
					auto = true;
					if (goforward && $(currentpanel).data("number") == settings.numberofpanels) {
						goforward = false;
					}
					if (!goforward && $(currentpanel).data("number") == 1) {
						goforward = true;
					}
					if (goforward) {
						newpanel = $(currentpanel).next();
					} else {
						newpanel = $(currentpanel).prev();
					}
				}
				else {
					$(".panelwrappers").stop();
					clearTimeout(t);
				}
				$(".panelwrappers").not(newpanel).animate({ width: settings.smallsize + "px", "height": "300px" }, settings.transition, "swing");
				$(newpanel).animate({ width: settings.largesize + "px", "height": "500px" }, settings.transition, "swing");
				currentpanel = newpanel;
				if (auto) t = setTimeout(function() { switchpanel(null); }, settings.autotimer);
			}
		}
	}

	$.fn.slinkySlider.defaults = {
		autotimer: 2000,
		transition: 500,
		panelspacing: 0,
		smallsize: 100,
		numberofpanels: 7,
		largesize: 0,
		doauto: true,
		panelname: "panel"
	}

})(jQuery);