/*
 * Thickbox 3.1 - One Box To Rule Them All.
 * By Cody Lindley (http://www.codylindley.com)
 * Copyright (c) 2007 cody lindley
 * Licensed under the MIT License: http://www.opensource.org/licenses/mit-license.php
*/

// on page load call tb_init, pass where to apply thickbox
$(document).ready(function() {   
	tb_init("a.thickbox");
});

// this is dumb i know...
function flash_remove() {
	tb_remove();
}

function tb_init(domChunk) {
	$(domChunk).click(function(e) {
		e.preventDefault();
		var t = this.title || this.name || null;
		var a = this.href || this.alt;
		var g = this.rel || false;
		tb_show(t,a,g);
		this.blur();
	});
}

// function called when the user clicks on a thickbox link
function tb_show(caption, url, imageGroup) {

	try {
		if( typeof document.body.style.maxHeight === "undefined" ) { // if IE 6
			$("body","html").css({ height: "100%", width: "100%" });
			$("html").css("overflow","hidden");
			if( document.getElementById("TB_HideSelect") === null ) { // iframe to hide select elements in ie6
				$("body").append("<iframe id='TB_HideSelect'></iframe><div id='TB_overlay'></div><div id='TB_window'></div>");
				$("#TB_overlay").click(tb_remove);
			}
		} else { // all others
			if( document.getElementById("TB_overlay") === null ) {
				$("body").append("<div id='TB_overlay'></div><div id='TB_window'></div>");
				$("#TB_overlay").click(tb_remove);
			}
		}

		if( tb_detectMacXFF() ) {
			$("#TB_overlay").addClass("TB_overlayMacFFBGHack");// use png overlay so hide flash
		} else {
			$("#TB_overlay").addClass("TB_overlayBG");// use background and opacity
		}

		if( caption === null ) {
			caption="";
		}

		var baseURL;
		if( url.indexOf("?") !== -1 ) { // ff there is a query string involved
			baseURL = url.substr(0, url.indexOf("?"));
		} else { 
			baseURL = url;
		}

		var urlString = /\.jpg$|\.jpeg$|\.png$|\.gif$|\.bmp$/;
		var urlType = baseURL.toLowerCase().match(urlString);

		if( urlType == '.jpg' || urlType == '.jpeg' || urlType == '.png' || urlType == '.gif' || urlType == '.bmp' ) { // code to show images
			TB_PrevCaption = "";
			TB_PrevURL = "";
			TB_PrevHTML = "";
			TB_NextCaption = "";
			TB_NextURL = "";
			TB_NextHTML = "";
			TB_imageCount = "";
			TB_FoundURL = false;
			if( imageGroup ) {
				TB_TempArray = $("a[@rel="+imageGroup+"]").get();
				for(TB_Counter = 0; ((TB_Counter < TB_TempArray.length) && (TB_NextHTML === "")); TB_Counter++) {
					var urlTypeTemp = TB_TempArray[TB_Counter].href.toLowerCase().match(urlString);
					if( !(TB_TempArray[TB_Counter].href == url) ) {						
						if( TB_FoundURL ) {
							TB_NextCaption = TB_TempArray[TB_Counter].title;
							TB_NextURL = TB_TempArray[TB_Counter].href;
							TB_NextHTML = "<span id='TB_next'>&nbsp;&nbsp;<a href='#'>Next &gt;</a></span>";
						} else {
							TB_PrevCaption = TB_TempArray[TB_Counter].title;
							TB_PrevURL = TB_TempArray[TB_Counter].href;
							TB_PrevHTML = "<span id='TB_prev'>&nbsp;&nbsp;<a href='#'>&lt; Prev</a></span>";
						}
					} else {
						TB_FoundURL = true;
						TB_imageCount = "Image " + (TB_Counter + 1) +" of "+ (TB_TempArray.length);											
					}
				}
			}

			imgPreloader = new Image();
			imgPreloader.onload = function() {		
				imgPreloader.onload = null;

				// Resizing large images - orginal by Christian Montoya edited by me.
				var pagesize = tb_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 id='TB_secondLine'>" + TB_imageCount + TB_PrevHTML + TB_NextHTML + "</div></div><div id='TB_closeWindow'><a href='#' id='TB_closeWindowButton' title='Close'>close</a> or Esc Key</div>"); 		

				$("#TB_closeWindowButton").click(tb_remove);

				if( !(TB_PrevHTML === "") ) {
					function goPrev() {
						if( $(document).unbind("click",goPrev) ){
							$(document).unbind("click",goPrev);
						}
						$("#TB_window").remove();
						$("body").append("<div id='TB_window'></div>");
						tb_show(TB_PrevCaption, TB_PrevURL, imageGroup);
						return false;	
					}
					$("#TB_prev").click(goPrev);
				}

				if( !(TB_NextHTML === "") ) {		
					function goNext() {
						$("#TB_window").remove();
						$("body").append("<div id='TB_window'></div>");
						tb_show(TB_NextCaption, TB_NextURL, imageGroup);				
						return false;	
					}
					$("#TB_next").click(goNext);
				}

				document.onkeydown = function(e) { 	
					if( e == null ) { // ie
						keycode = event.keyCode;
					} else { // mozilla
						keycode = e.which;
					}
					if( keycode == 27 ) { // close
						tb_remove();
					} else if( keycode == 190 ) { // display previous image
						if( !(TB_NextHTML == "") ) {
							document.onkeydown = "";
							goNext();
						}
					} else if( keycode == 188 ) { // display next image
						if( !(TB_PrevHTML == "") ) {
							document.onkeydown = "";
							goPrev();
						}
					}	
				};

				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;
		} else { // code to show html
			var params = tb_parseQuery(url);

			TB_WIDTH = (params['width'] * 1) + 20;
			TB_HEIGHT = (params['height'] * 1) + 30;
			ajaxContentW = TB_WIDTH - 20;
			ajaxContentH = TB_HEIGHT - 30;

			if( url.indexOf('TB_iframe') != -1 ) { // either iframe or ajax window
				urlNoQuery = url.split('TB_');
				$("#TB_iframeContent").remove();
				if( params['modal'] != "true" ) { // iframe no modal
					$("#TB_window").append("<iframe frameborder='0' hspace='0' src='"+urlNoQuery[0]+"' id='TB_iframeContent' name='TB_iframeContent"+Math.round(Math.random()*1000)+"' onload='tb_showIframe()' style='width:"+(ajaxContentW + 29)+"px;height:"+(ajaxContentH + 17)+"px;' > </iframe>");
				} else { // iframe modal
					$("#TB_overlay").unbind();
					$("#TB_window").append("<iframe frameborder='0' hspace='0' src='"+urlNoQuery[0]+"' id='TB_iframeContent' name='TB_iframeContent"+Math.round(Math.random()*1000)+"' onload='tb_showIframe()' style='width:"+(ajaxContentW + 29)+"px;height:"+(ajaxContentH + 17)+"px;'> </iframe>");
				}
			} else { // not an iframe, ajax
				if( $("#TB_window").css("display") != "block" ) {
					if( params['modal'] != "true" ) { // ajax no modal
						$("#TB_window").append("<div id='TB_contentHeader'><div id='TB_buttonColor' style='background: #"+params["hex"]+";'></div><div id='TB_contentHeaderImage'><a href='' onclick='tb_remove(); return false;'></a></div></div> <div id='TB_ajaxContent' style='width:"+ajaxContentW+"px;height:"+ajaxContentH+"px'></div>");
					} else { // ajax modal
						$("#TB_overlay").unbind();
						$("#TB_window").append("<div id='TB_ajaxContent' class='TB_modal' style='width:"+ajaxContentW+"px;height:"+ajaxContentH+"px;'></div>");	
					}
				} else { // this means the window is already up, we are just loading new content via ajax
					$("#TB_ajaxContent")[0].style.width = ajaxContentW +"px";
					$("#TB_ajaxContent")[0].style.height = ajaxContentH +"px";
					$("#TB_ajaxContent")[0].scrollTop = 0;
					$("#TB_ajaxWindowTitle").html(caption);
				}
			}

			$("#TB_closeWindowButton").click(tb_remove);

			if( url.indexOf('TB_inline') != -1 ) {	
				$("#TB_ajaxContent").append($('#' + params['inlineId']).children());
				$("#TB_window").unload(function() {
					$('#' + params['inlineId']).append( $("#TB_ajaxContent").children() ); // move elements back when you're finished
				});
				tb_position();
				$("#TB_load").remove();
				$("#TB_window").css({ display: "block" }); 
			} else if( url.indexOf('TB_iframe') != -1 ) {
				tb_position();
				if( $.browser.safari ) { // safari needs help because it will not fire iframe onload
					$("#TB_load").remove();
					$("#TB_window").css({ display: "block" });
				}
			} else {
				$("#TB_ajaxContent").load(url += "?random=" + (new Date().getTime()),function() { // to do a post change this load method
					tb_position();
					$("#TB_load").remove();
					tb_init("#TB_ajaxContent a.thickbox");
					$("#TB_window").css({ display: "block" });
				});
			}
		}

		if( !params['modal'] ) {
			document.onkeyup = function(e) { 	
				if( e == null ) { // ie
					keycode = event.keyCode;
				} else { // mozilla
					keycode = e.which;
				}
				if( keycode == 27 ) { // close
					tb_remove();
				}	
			};
		}

	} catch(e) {
		alert(e);
	}
}

// helper functions below
function tb_showIframe() {
	$("#TB_load").remove();
	$("#TB_window").css({display:"block"});
}

function tb_remove() {
	$("#TB_imageOff").unbind("click");
	$("#TB_closeWindowButton").unbind("click");
	$("#TB_window").fadeOut("fast",function() { $('#TB_window,#TB_overlay,#TB_HideSelect').trigger("unload").unbind().remove(); });
	$("#TB_load").remove();
	if( typeof document.body.style.maxHeight == "undefined" ) { // if IE 6
		$("body","html").css({height: "auto", width: "auto"});
		$("html").css("overflow","");
	}
	document.onkeydown = "";
	document.onkeyup = "";
	return false;
}

function tb_position() {
	$("#TB_window").css({ marginLeft: '-'+parseInt((TB_WIDTH / 2), 10)+'px', width: TB_WIDTH+'px' });
	if( !(jQuery.browser.msie && jQuery.browser.version < 7) ) { // take away IE6
		$("#TB_window").css({ marginTop: '-'+parseInt((TB_HEIGHT / 2), 10)+'px' });
	}
}

function tb_parseQuery(query) {
	var Params = {};
	if( !query ) {
		// return empty object
		return Params;
	}
	var q = query.split("/video/"),
	parts = q[1].split("/"),
	extra = parts[1].split(":");

	Params["video"] = q[0];
	Params["hex"] = extra[0];
	Params["width"] = extra[1];
	Params["height"] = extra[2];
	return Params;
}

function tb_getPageSize(){
	var de = document.documentElement;
	var w = window.innerWidth || self.innerWidth || (de&&de.clientWidth) || document.body.clientWidth;
	var h = window.innerHeight || self.innerHeight || (de&&de.clientHeight) || document.body.clientHeight;
	arrayPageSize = [w,h];
	return arrayPageSize;
}

function tb_detectMacXFF() {
	var userAgent = navigator.userAgent.toLowerCase();
	if( userAgent.indexOf('mac') != -1 && userAgent.indexOf('firefox') != -1 ) {
		return true;
	}
}