/* Copyright (c) 2008 Kean Loong Tan http://www.gimiti.com/kltan
 * Licensed under the MIT (http://www.opensource.org/licenses/mit-license.php)
 * jFlow
 * Version: 1.2 (July 7, 2008)
 * Requires: jQuery 1.2+
 */

function getParameterByName(name) {
	name = name.replace(/[\[]/, "\\\[").replace(/[\]]/, "\\\]");
	var regexS = "[\\?&]" + name + "=([^&#]*)";
	var regex = new RegExp(regexS);
	var results = regex.exec(window.location.href);
	if (results == null)
		return "";
	else
		return decodeURIComponent(results[1].replace(/\+/g, " "));
}

 
(function($) {

	$.fn.jFlow = function(options) {
		var opts = $.extend({}, $.fn.jFlow.defaults, options);
		var randNum = Math.floor(Math.random() * 11);
		var jFC = opts.controller;
		var jFS = opts.slideWrapper;
		var jSel = opts.selectedWrapper;

		var cur = 0;
		var maxi = $(jFC).length;
		// sliding function
		var slide = function(dur, i) {
			$(opts.slides).children().css({
				overflow: "hidden"
			});
			$(opts.slides + " iframe").hide().addClass("temp_hide");
			$(opts.slides).animate({
				marginLeft: "-" + (i * $(opts.slides).find(":first-child").width() + "px")
			},
				opts.duration * (dur),
				opts.easing,
				function() {
					$(opts.slides).children().css({
						overflow: "auto"
					});
					$(".temp_hide").show();
				}
			);

		}
		$(this).find(jFC).each(function(i) {
			$(this).click(function() {
				if ($(opts.slides).is(":not(:animated)")) {
					$(jFC).removeClass(jSel);
					$(this).addClass(jSel);
					var dur = Math.abs(cur - i);
					slide(dur, i);
					cur = i;
				}
			});
		});

		$(opts.slides).before('<div id="' + jFS.substring(1, jFS.length) + '"></div>').appendTo(jFS);

		$(opts.slides).find("div").each(function() {
			$(this).before('<div class="jFlowSlideContainer"></div>').appendTo($(this).prev());
		});

		//initialize the controller
		$(jFC).eq(cur).addClass(jSel);

		var resize = function(x) {
			$(jFS).css({
				position: "relative",
				width: opts.width,
				height: opts.height,
				overflow: "hidden"
			});
			//opts.slides or #mySlides container
			$(opts.slides).css({
				position: "relative",
				width: $(jFS).width() * $(jFC).length + "px",
				height: $(jFS).height() + "px",
				overflow: "hidden"
			});
			// jFlowSlideContainer
			$(opts.slides).children().css({
				position: "relative",
				width: $(jFS).width() + "px",
				height: $(jFS).height() + "px",
				"float": "left",
				overflow: "auto"
			});

			if (getParameterByName('page') == "Online-Booking") {
				cur = 1;
			}
			else if (getParameterByName('page') == "Table-Management") {
				cur = 2;
			}
			else if (getParameterByName('page') == "Online-Marketing") {
				cur = 3;
			}
			else if (getParameterByName('page') == "Staff-Planner") {
				cur = 4;
			}
			else if (getParameterByName('page') == "Event-Management") {
				cur = 5;
			}
			//else if (getParameterByName('page') == "Network") {
			//	cur = 5;
			//}
			else{
				cur = 0;
			}

			$(opts.slides).css({
				marginLeft: "-" + (cur * $(opts.slides).find(":eq(0)").width() + "px")
			});
		}

		// sets initial size
		resize();

		// resets size
		$(window).resize(function() {
			resize();
		});

		$(opts.prev).click(function() {
			if ($(opts.slides).is(":not(:animated)")) {
				var dur = 1;
				if (cur > 0)
					cur--;
				else {
					cur = maxi - 1;
					dur = cur;
				}
				$(jFC).removeClass(jSel);
				slide(dur, cur);
				$(jFC).eq(cur).addClass(jSel);
			}
		});

		$(opts.next).click(function() {
			if ($(opts.slides).is(":not(:animated)")) {
				var dur = 1;
				if (cur < maxi - 1)
					cur++;
				else {
					cur = 0;
					dur = maxi - 1;
				}
				$(jFC).removeClass(jSel);
				slide(dur, cur);
				$(jFC).eq(cur).addClass(jSel);
			}
		});
	};

	$.fn.jFlow.defaults = {
		controller: ".jFlowControl", // must be class, use . sign
		slideWrapper: "#jFlowSlide", // must be id, use # sign
		selectedWrapper: "jFlowSelected",  // just pure text, no sign
		easing: "swing",
		duration: 400,
		width: "100%",
		prev: ".jFlowPrev", // must be class, use . sign
		next: ".jFlowNext" // must be class, use . sign
	};

})(jQuery);