/*
 * 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
*/

//Version 3.1.1 : alex.rabe : jQuery no colision mode, loading image
//							  add external inits for nextgen plugin

//Version 3.1.2 : alex.rabe : Add Full size link

(function($){
	$.tb_init=function(domChunk){tb_init(domChunk)};
	$.tb_show=function(t,a,g){tb_show(t,a,g)};
	$.tb_remove=function(){tb_remove()};
	$(document).ready(function(){tb_init('a.thickbox, area.thickbox, input.thickbox');
	imgLoader=new Image();
	if(typeof tb_pathToImage!=="undefined")imgLoader.src=tb_pathToImage});
	
	function tb_init(domChunk){$(domChunk).click(function(){
		var t=this.title||null;
		var a=this.href||this.alt;
		var d=this.name||null;
		var g=this.rel||false;
		var tg = 'http://www.redgallery.co.uk/enquiry?artist='+g+'&artwork='+t;
		tb_show(t,a,d,g,tg);
		this.blur();return false})}
		
	function tb_show(caption,url,descrip,imageGroup,enqurl){
		try{
			if(typeof document.body.style.maxHeight==="undefined"){
				$("body","html").css({height:"100%",width:"100%"});
				$("html").css("overflow","hidden");
				if(document.getElementById("TB_HideSelect")===null){
					$("body").append("<iframe id='TB_HideSelect'></iframe><div id='TB_overlay'></div><div id='TB_window'></div>");$("#TB_overlay").click(tb_remove)
				}
			}else{
				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")
			}else{
				$("#TB_overlay").addClass("TB_overlayBG")
			}
			if(caption===null){caption=""}
			if(descrip===null){descrip=""}
			$("body").append("<div id='TB_load'><img src='"+imgLoader.src+"' /></div>");
			$('#TB_load').show();
			var baseURL;
			if(url.indexOf("?")!==-1){
				baseURL=url.substr(0,url.indexOf("?"))
			}else{
				baseURL=url
			}
			var urlString=/\.jpg$|\.jpeg$|\.png$|\.gif$|\.bmp$/;
			var urlType=baseURL.toLowerCase().match(urlString);
			if(urlType=='.jpg'||urlType=='.jpeg'||urlType=='.png'||urlType=='.gif'||urlType=='.bmp'){
				TB_PrevCaption="";
				TB_PrevDescrip="";
				TB_PrevURL="";
				TB_PrevHTML="";
				TB_PrevEnq="";
				TB_NextCaption="";
				TB_NextDescrip="";
				TB_NextURL="";
				TB_NextHTML="";
				TB_NextEnq="";
				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_NextDescrip=TB_TempArray[TB_Counter].name;
								TB_NextURL=TB_TempArray[TB_Counter].href;
								TB_NextHTML="<span id='TB_next'>&nbsp;&nbsp;<a href='#'>Next &gt;</a></span>"
								TB_NextEnq='http://www.redgallery.co.uk/enquiry?artist='+imageGroup+'&artwork='+TB_NextCaption;
							}else{
								TB_PrevCaption=TB_TempArray[TB_Counter].title;
								TB_PrevDescrip=TB_TempArray[TB_Counter].name;
								TB_PrevURL=TB_TempArray[TB_Counter].href;
								TB_PrevHTML="<span id='TB_prev'>&nbsp;&nbsp;<a href='#'>&lt; Prev</a></span>"
								TB_PrevEnq='http://www.redgallery.co.uk/enquiry?artist='+imageGroup+'&artwork='+TB_PrevCaption;
							}
						}else{
							TB_FoundURL=true;
							TB_imageCount="Image "+(TB_Counter+1)+" of "+(TB_TempArray.length)
						}
					}
				}
				imgPreloader=new Image();
				imgPreloader.onload=function(){
					imgPreloader.onload=null;
					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
						}
					}
					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+descrip+"<div id='TB_secondLine'>"+TB_imageCount+"&nbsp;&nbsp;<a href='"+url+"' id='TB_FullSize' title='Full Size'>Full Size</a>&nbsp;&nbsp;"+TB_PrevHTML+TB_NextHTML+"</div></div><div id='TB_enqire'><a href='"+enqurl+"' id='TB_enqire_link' title='Close'>Make Enquiry</a></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,TB_PrevDescrip,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,TB_NextDescrip,imageGroup);
							return false
						}
						$("#TB_next").click(goNext)
					}
					document.onkeydown=function(e){
						if(e==null){
							keycode=event.keyCode
						}else{
							keycode=e.which
						}
						if(keycode==27){
							tb_remove()
						}else if(keycode==190){
							if(!(TB_NextHTML=="")){
								document.onkeydown="";
								goNext()
							}
						}else if(keycode==188){
							if(!(TB_PrevHTML=="")){
								document.onkeydown="";goPrev()
							}
						}
					};
					tb_position();
					$("#TB_load").remove();
					$("#TB_ImageOff").click(tb_remove);
					$("#TB_window").css({display:"block"})
				};
				imgPreloader.src=url
			}else{
				var queryString=url.replace(/^[^\?]+\??/,'');
				var params=tb_parseQuery(queryString);
				TB_WIDTH=(params['width']*1)+30||630;
				TB_HEIGHT=(params['height']*1)+40||440;
				ajaxContentW=TB_WIDTH-30;
				ajaxContentH=TB_HEIGHT-45;
				if(url.indexOf('TB_iframe')!=-1){
					urlNoQuery=url.split('TB_');
					$("#TB_iframeContent").remove();
					if(params['modal']!="true"){
						$("#TB_window").append("<div id='TB_title'><div id='TB_ajaxWindowTitle'>"+caption+"</div><div id='TB_closeAjaxWindow'><a href='#' id='TB_closeWindowButton' title='Close'>close</a> or Esc Key</div></div><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{
						$("#TB_overlay").unbind();
						$("#TB_window").append("<iframe frameborder='0' hspace='0' src='"+urlNoQuery[0]+"' id='TB_iframeContent' name='TB_iframeContent"+Math.round(Math.random()*1000)+"' onload='tb_showIframe()' style='width:"+(ajaxContentW+29)+"px;height:"+(ajaxContentH+17)+"px;'> </iframe>")
					}
				}else{
					if($("#TB_window").css("display")!="block"){
						if(params['modal']!="true"){
							$("#TB_window").append("<div id='TB_title'><div id='TB_ajaxWindowTitle'>"+caption+"</div><div id='TB_closeAjaxWindow'><a href='#' id='TB_closeWindowButton'>close</a> or Esc Key</div></div><div id='TB_ajaxContent' style='width:"+ajaxContentW+"px;height:"+ajaxContentH+"px'></div>")
						}else{
							$("#TB_overlay").unbind();
							$("#TB_window").append("<div id='TB_ajaxContent' class='TB_modal' style='width:"+ajaxContentW+"px;height:"+ajaxContentH+"px;'></div>")
						}
					}else{
						$("#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())
					});
					tb_position();
					$("#TB_load").remove();
					$("#TB_window").css({display:"block"})
				}else if(url.indexOf('TB_iframe')!=-1){
					tb_position();
					if($.browser.safari){
						$("#TB_load").remove();
						$("#TB_window").css({display:"block"})
					}
				}else{
					$("#TB_ajaxContent").load(url+="&random="+(new Date().getTime()),function(){
						tb_position();$("#TB_load").remove();tb_init("#TB_ajaxContent a.thickbox");$("#TB_window").css({display:"block"})
					})
				}
			}
			if(!params['modal']){
				document.onkeyup=function(e){
					if(e==null){
						keycode=event.keyCode
					}else{
						keycode=e.which
					}
					if(keycode==27){
						tb_remove()
					}
				}
			}
		}
		catch(e){}
	}

	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"){
			$("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)){
			$("#TB_window").css({marginTop:'-'+parseInt((TB_HEIGHT/2),10)+'px'})
		}
	}
	
	function tb_parseQuery(query){
		var Params={};
		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 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
		}
	}
}
)
(jQuery);