/*
* Thickbox 1.0 - One box to rule them all.
* By Cody Lindley (http://www.codylindley.com)
* Under an Attribution, Share Alike License
* Thickbox is built on top of the very light weight jquery library.
*
* Additions by Oliver Turner
* oliver@boff.tv
* 1) Support for auto-sizing QuickTime-supported media
* 2) Support for flash (swf) files;
*/

// NB "aiff" == "aif"; ".aif" must precede ".ai";
var url_string = /\.jpg|\.jpeg|\.png|\.gif|\.psd|\.mov|\.mp4|\.mp3|\.mp2|\.mpg|\.mpeg|\.aif|\.ai|\.wav|\.html|\.htm|\.php|\.cfm|\.asp|\.aspx|\.jsp|\.jst|\.rb/g;

function TB_init()
{
	$("#content a").mouseover(function(){ tipShow(this) });
	$("#content a").mouseout(function(){ tipHide() });

	// add thickbox to href elements that have a class of .thickbox
	$("a.thickbox").click(function() {
		var t = this.title || this.innerHTML || this.href;
		TB_show(t,this.href);
		this.blur();
		return false;
	});
}

//function called when the user clicks on a thickbox link
function TB_show(caption, url)
{
	try {
		$("body").append("<div id='TB_overlay'></div>\n<div id='TB_window'>\n</div>\n");
		$("#TB_overlay").click(TB_remove);
		$(window).resize(TB_position);
		$(window).scroll(TB_position);

		$("#TB_overlay").show();
		$("body").append("<div id='TB_load'>\n\t<div id='TB_loadContent'>\n\t\t<img src='images/circle_animation.gif' />\n\t</div>\n</div>");

		var url_lower = url.toLowerCase();
		var url_type = url_lower.match(url_string);

		/* IMAGES
		----------------------------------------------------------------------------------------*/
		if(url_type == '.jpg' || url_type == '.jpeg' || url_type == '.png' || url_type == '.gif' || url_type == '.bmp')
		{
			imgPreloader = new Image();
			imgPreloader.onload = function(){

				imgPreloader.onload = null;

				// Resizing large images - orginal by Christian Montoya edited by me.
				var pagesize = getPageSize();
				var x = pagesize[0] - 150;
				var y = pagesize[1] - 150;
				var imageWidth = imgPreloader.width;
				var imageHeight = imgPreloader.height;
				if (imageWidth > x) {
					imageHeight = imageHeight * (x / imageWidth);
					imageWidth = x;
					if (imageHeight > y) {
						imageWidth = imageWidth * (y / imageHeight);
						imageHeight = y;
					}
				} else if (imageHeight > y) {
					imageWidth = imageWidth * (y / imageHeight);
					imageHeight = y;
					if (imageWidth > x) {
						imageHeight = imageHeight * (x / imageWidth);
						imageWidth = x;
					}
				}
				// End Resizing

				TB_WIDTH = imageWidth + 30;
				TB_HEIGHT = imageHeight + 60;
				$("#TB_window").append("<a href='' id='TB_ImageOff' title='Close'><img id='TB_Image' src='"+url+"' width='"+imageWidth+"' height='"+imageHeight+"' alt='"+caption+"'/></a>" + "<div id='TB_caption'>"+caption+"</div><div id='TB_closeWindow'><a href='#' id='TB_closeWindowButton' title='Close'>close</a></div>");

				$("#TB_closeWindowButton").click(TB_remove);
				TB_position();
				$("#TB_load").remove();
				$("#TB_ImageOff").click(TB_remove);
				$("#TB_window").css({display:"block"}); //for safari using css instead of show
			}
			imgPreloader.src = url;
		}

		/* MOVIES
		----------------------------------------------------------------------------------------*/
		if(url_type == '.mov' || url_type == '.mp4' || url_type == '.mp2' || url_type == '.mpg' || url_type == '.mpeg')
		{
			TB_WIDTH = 320 + 30;
			TB_HEIGHT = 255 + 60;

			var close_div = "<div id='TB_closeWindow'><a href='#' id='TB_closeWindowButton'>close</a></div>\n";
			var movie_div = "<div id='TB_movie'>\n</div>\n";
			var caption_div = "<div id='TB_caption'>"+caption+"</div>\n";
			var mini_loader = "<img src=\"images/circle_animation.gif\" id=\"mini_loader\" width=\"100\" height=\"100\" />\n";

			$("#TB_window").append(close_div + movie_div + caption_div + mini_loader);
			$("#TB_closeWindowButton").click(TB_remove);
			TB_position();
			$("#TB_load").remove();
			$("#TB_window").fadeIn("normal", function(){
				if(quicktime.ver7)
				{
					var qt = "<embed src='" + url + "' width='1' height='1' autoplay='false' controller='false' pluginspage='http://www.apple.com/quicktime/download/' id='qt_embed' />\n";

					$("#TB_movie").append(qt);
					qt_embed = document.getElementById("qt_embed");
					checkPlayable();
				}
				else
				{
					var qt = "<embed src='" + url + "' width='320' height='256' autoplay='true' controller='true' pluginspage='http://www.apple.com/quicktime/download/' id='qt_embed' scale='aspect' bgcolor='000000' enablejavascript='true' />\n";
					document.getElementById("TB_movie").innerHTML = qt;
				}
			});
		}

		/* SOUND
		----------------------------------------------------------------------------------------*/
		if(url_type=='.aif' || url_type=='.mp3' || url_type=='.wav')
		{
			TB_WIDTH = 320 + 30;
			TB_HEIGHT = 40 + 60;

			var movie_div = "<div id='TB_sound'>\n</div>\n";
			var caption_div = "<div id='TB_caption'>"+caption+"</div>\n";
			var close_div = "<div id='TB_closeWindow'><a href='#' id='TB_closeWindowButton'>close</a></div>\n<div class='clear'></div>\n";
			var qt = "<embed src='" + url + "' width='320' height='16' pluginspage='http://www.apple.com/quicktime/download/' name='qt_embed' id='qt_embed' enablejavascript='true' />\n";

			$("#TB_window").append(close_div + movie_div + caption_div);
			$("#TB_closeWindowButton").click(TB_remove);
			TB_position();
			$("#TB_load").remove();
			$("#TB_window").fadeIn("normal", function() {
				document.getElementById("TB_sound").innerHTML = qt;
			});
		}

		/* HTML
		----------------------------------------------------------------------------------------*/
		if(url_type=='.htm'||url_type=='.html'||url_type=='.php'||url_type=='.txt'||url_type=='.cfm')
		{

			var queryString = url.replace(/^[^\?]+\??/,'');
			var params = parseQuery( queryString );

			TB_WIDTH = (params['width']*1);
			TB_HEIGHT = (params['height']*1);
			$("#TB_window").load(url, function(){
				TB_position();
				$("#TB_load").remove();
				$("#TB_window").slideDown("normal");
			});
		}
	}
	catch(e)
	{
		alert( e );
	}
}

/* helper functions below
----------------------------------------------------------------------------------------*/
function TB_remove()
{
	if (qt_embed)
	{
		qt_embed.Stop();
		qt_embed.style.display = "none";
		delete qt_embed;
	}
	$("#TB_window").fadeOut("fast",function(){
		$("#TB_window").empty();
		$('#TB_window,#TB_overlay').remove();
		if ($("#TB_load")) { $("#TB_load").remove(); }
	});
	return false;
}

function TB_position() {
	var pagesize = getPageSize();

	if (window.innerHeight && window.scrollMaxY) {	yScroll = window.innerHeight + window.scrollMaxY; }
	// all but Explorer Mac
	else if (document.body.scrollHeight > document.body.offsetHeight) { yScroll = document.body.scrollHeight; }
	// Explorer Mac...would also work in Explorer 6 Strict, Mozilla and Safari
	else { 	yScroll = document.body.offsetHeight; }

	var arrayPageScroll = getPageScrollTop();
	var centre_x = ((pagesize[0] - TB_WIDTH)/2)+"px";
	var centre_y = (arrayPageScroll[1] + ((pagesize[1]-TB_HEIGHT)/2))+"px";
	$("#TB_window").css({width:TB_WIDTH+"px", height:TB_HEIGHT+"px", left: centre_x, top: centre_y});
	$("#TB_overlay").css("height",yScroll +"px");
}

function parseQuery ( query ) {
	var Params = new Object ();
	// return empty object
	if ( ! query ) { return Params; }
	var Pairs = query.split(/[;&]/);
	for ( var i = 0; i < Pairs.length; i++ )
	{
		var KeyVal = Pairs[i].split('=');
		if ( ! KeyVal || KeyVal.length != 2 ) continue;
		var key = unescape( KeyVal[0] );
		var val = unescape( KeyVal[1] );
		val = val.replace(/\+/g, ' ');
		Params[key] = val;
	}
	return Params;
}

function getPageScrollTop(){
	var yScrolltop;

	if (self.pageYOffset) { yScrolltop = self.pageYOffset; }
	// Explorer 6 Strict
	else if (document.documentElement && document.documentElement.scrollTop) {	 yScrolltop = document.documentElement.scrollTop; }
	// all other Explorers
	else if (document.body) { yScrolltop = document.body.scrollTop; }

	arrayPageScroll = new Array('',yScrolltop)
	return arrayPageScroll;
}

function getPageSize(){
	var de = document.documentElement;
	var w = self.innerWidth || (de&&de.clientWidth) || document.body.clientWidth;
	var h = self.innerHeight || (de&&de.clientHeight) || document.body.clientHeight;

	arrayPageSize = new Array(w,h)
	return arrayPageSize;
}

/* OLIVER CUSTOM FUNCS
----------------------------------------------------------------------------------------*/
var timer;
var qt_embed;

function checkPlayable()
{
	timer = setTimeout("checkPlayable()", 100);
	var play_state = qt_embed.GetPluginStatus();
	if (play_state == "Playable" || play_state == "Complete" || play_state == "Error")
	{
		clearTimeout(timer);

		var qt_embed_size = qt_embed.GetRectangle();
		var size_array = qt_embed_size.split(",");
		var w = size_array[2] - size_array[0];
		var h = size_array[3] - size_array[1];

		var qtdiv_w = w;
		var qtdiv_h = h + 16;

		TB_WIDTH = qtdiv_w + 30;
		TB_HEIGHT = qtdiv_h + 60;
		TB_position();

		$("#TB_movie").css({width:qtdiv_w + "px", height:qtdiv_h + "px"});
		$("#qt_embed").css({width:qtdiv_w + "px", height:qtdiv_h + "px"});
		$("#mini_loader").remove();

		if(navigator.userAgent.indexOf("Firefox") != -1)
		{
			qt_embed.SetRectangle("0,0," + w + "," + h);
			qt_embed.SetControllerVisible(true);
			qt_embed.SetAutoPlay(true);
			qt_embed.focus();
		}
		else
		{
			qt_embed.SetControllerVisible(true);
			qt_embed.SetAutoPlay(true);
			qt_embed.Play();
		}
	}
}