// Namespace function
function namespace(ns) {
    ns = ns.split('.');
    var cur = window, i;
    while ( i = ns.shift() ) {
        if ( !cur[i] ) cur[i] = {};
        cur = cur[i];
    }
}
// Put all tictoc functions into the tictoc object like:
// quartz.test = function() { alert("Test"); }
namespace("tictoc");


// Setup JS events when the DOM is ready
$(document).ready(function(){
	$("input.search_box").focus(tictoc.website.clearbox);
	$("input.search_box").blur(tictoc.website.clearbox);
	
	$("#home_events h3 a").click(tictoc.website.switch_events);
	
	// CSS Style switcher
	//tictoc.style_switcher.setup("website_style");
	
	// Content area images
	$(".pagebody img[@align='left']").addClass("left");
	$(".pagebody img[@align='right']").addClass("right");
	
	// Drop-down menu for IE
 	if (document.all) $("#menu li").hoverClass ("sfHover");
	
	// Links
	$("a.popup").each(tictoc.website.popup);
	
	// Admin links
	$("a.adminedit").click(tictoc.admin.edit);
	
	// Homepage banner animation
	if ($("#banners img").length > 1) $.slideshow('banners', 6000);
});
 
$.fn.hoverClass = function(c) {
	return this.each(function(){
		$(this).hover( 
			function() { $(this).addClass(c);  },
			function() { $(this).removeClass(c); }
		);
	});
};

// jQuery fader
// Based on: http://portfolio.gizone.co.uk/applications/slideshow/
$.slideshow = function (containerId, timeout) {
	var current = 0;
	var id = '#' + containerId;
	$(id).css({position:'relative'});
	var slides = $(id).children().get();
	for ( var i = 0; i < slides.length; i++ ) {
		$(slides[i]).css({zIndex:(slides.length - i), position:'absolute', top:'0', left:'0'});
	}
	setTimeout((function(){$.slideshow.next(slides, timeout, current);}), timeout);
}
$.slideshow.next = function (slides, timeout, current) {
	for (var i = 0; i < slides.length; i++) {
		var slide = slides[(current + i) % slides.length];
		$(slide).css({zIndex:(slides.length - i)});
	}
	// IE doesn't seem to support .show() after it has been faded out, so we use .fadeIn("fast")
	$(slides[current]).fadeOut('slow', 
			function(){$(slide).css({zIndex:'0', opacity:1}).fadeIn("fast");}
			);
	
	current = (current + 1) % slides.length;
	setTimeout((function(){$.slideshow.next(slides, timeout, current);}), timeout);
}


// General website functions
tictoc.website = {
    
    // Clear default text in an input box
    clearbox: function() {
        if (!this.default_value) this.default_value = this.value;
    
        if (this.value == '') {
            this.value = this.default_value;
        } else if (this.value == this.default_value) {
            this.value = '';
        }
    },
    
    // Jump to URL
    jump_to_url: function(url) {
        if (url == "") return false;
	    location.href = "/" + url;
    },
    
    // Popup link
    popup: function() {
        this.target = "_blank";
        this.title =  this.title ? this.title += ". " : "";
        this.title += "Link opens in a new window."
    },

	// Change home events
	switch_events: function() {
		$("#internal_events").toggle();
		$("#external_events").toggle();
		return false;
	}
	
};


// Admin functions
tictoc.admin = {
    popup_width: 675,
    popup_height: 650,
    
    edit: function() {
        var win = window.open(this.href, "_adminedit","height=" + tictoc.admin.popup_height + ",width=" + tictoc.admin.popup_width + ",resizable=yes,dependent,scrollbars=yes");
	    win.focus();
	    return false;
    }
};


// Style switcher functions 
// Based on: http://kelvinluck.com/assets/jquery/styleswitch/
// Add alternative stylesheets like:
// <link rel="alternate stylesheet" type="text/css" href="style2.css" title="style2" media="screen" />
// <link rel="alternate stylesheet" type="text/css" href="style1.css" title="style3" media="screen" />
tictoc.style_switcher = {
    // Default style cookie name
    cookie_name: "tictoc_style",
    
    // Setup style switcher
    setup: function(cookie_name) {
      if (cookie_name) this.cookie_name = cookie_name;
      var cookie = this.read_cookie(this.cookie_name);
	  if (cookie) this.switch_style(cookie);
	  
	  $(".styleswitch").click(function() {
		tictoc.style_switcher.switch_style($(this).attr("rel"));
		return false;
		});
    },
    
    // Switch stylesheet
    switch_style: function(name) {
	    $("link[@rel*=style]").each(function(i) {
    	    this.disabled = true;
    	    if ($(this).attr('title') == name) this.disabled = false;
    		});
    	this.create_cookie(name, 365);
    },
    
    // Create cookie
    create_cookie: function(value, days) {
        var expires, date;
	    if (days) {
    		date = new Date();
    		date.setTime(date.getTime() + (days * 24 * 60 * 60 * 1000));
    		expires = "; expires=" + date.toGMTString();
    	} else {
    	    expires = "";
    	}
    	document.cookie = this.cookie_name + "=" + value + expires + "; path=/";
    },
    
    // Read cookie
    read_cookie: function(name) {
	    var nameEQ = name + "=";
    	var ca = document.cookie.split(';');
    	
    	for (var i=0;i < ca.length;i++) {
    		var c = ca[i];
    		while (c.charAt(0) == ' ') c = c.substring(1, c.length);
    		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length, c.length);
    	}
    	return null;
    },
    
    // Clear cookie
    clear_cookie: function() {
        this.create_cookie("", -1);
    }
};