/*
 * 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
*/
		  
var tb_pathToImage = "/js/thickbox/loadingAnimation.gif";

/*!!!!!!!!!!!!!!!!! edit below this line at your own risk !!!!!!!!!!!!!!!!!!!!!!!*/

//on page load call tb_init
$(document).ready(function(){   
    tb_init('a.thickbox, area.thickbox, input.thickbox');//pass where to apply thickbox
    imgLoader = new Image();// preload image
    imgLoader.src = tb_pathToImage;
  });

//add thickbox to href & area elements that have a class of .thickbox
function tb_init(domChunk){
  $(domChunk).click(function(){
      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();
      return false;
    });
}

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

  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="";}
    $("body").append("<div id='TB_load'><img src='"+imgLoader.src+"' /></div>");//add loader to the page
    $('#TB_load').show();//show loader
		
    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 queryString = url.replace(/^[^\?]+\??/,'');
      var params = tb_parseQuery( queryString );

      TB_WIDTH = (params['width']*1) + 30 || 630; //defaults to 630 if no paramaters were added to URL
      TB_HEIGHT = (params['height']*1) + 40 || 440; //defaults to 440 if no paramaters were added to URL
      ajaxContentW = TB_WIDTH - 30;
      ajaxContentH = TB_HEIGHT - 45;
			
      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("<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{//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_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{//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) {
    //nothing here
  }
}

//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 Params;}// return empty object
  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;
  }
}


