/* Thickbox Plus - One resizing box to rule them all.
 * Based on original Thickbox script by Cody Lindley (http://www.codylindley.com)
 * Modified by Christian Montoya (http://www.christianmontoya.com)
 * For information, visit http://lab.christianmontoya.com/thickbox-plus/
 * Under an Attribution, Share Alike License
 * Thickbox is built on top of the very light weight jquery library.
 * Modifications must keep attribution for both Christian Montoya and Cody Lindley.
 */
(function($) {
	$(document).ready(TB_launch); 
	
	// function for adding Thickbox to elements of class .thickbox
	// wrapped by Christian Montoya for uses other than $(document).ready
	function TB_launch() {
	$("a.thickbox").click(function(){
	  var t = this.title || this.innerHTML || this.href;
	  TB_show(t,this.href);
	  this.blur();
	  return false;
	});
	}
	
	function TB_show(caption, url) { //function called when the user clicks on a thickbox link
		try {
			$("body")
			.append("<div id='TB_overlay'></div><div id='TB_window'></div>");
			$("#TB_overlay").css("opacity","0.6");
			$("#TB_overlay").css("filter","alpha(opacity=60)");
			$("#TB_overlay").css("-moz-opacity","0.6");
			$("#TB_overlay").click(TB_remove);
			$(window).resize(TB_position);
			$("body").append("<div id='TB_load'><div id='TB_loadContent'><img src='images/design/thickbox/circle_animation.gif' /></div></div>");
			$("#TB_overlay").show();
		
			var urlString = /.jpg|.jpeg|.png|.gif|.html|.htm/g;
			var urlType = url.match(urlString);
			
			if(urlType == '.jpg' || urlType == '.jpeg' || urlType == '.png' || urlType == '.gif'){//code to show images
	
				var imgPreloader = new Image();
				imgPreloader.onload = function(){
	
				// Resizing large images added by Christian Montoya
				var de = document.documentElement;
				var x = (self.innerWidth || (de&&de.clientWidth) || document.body.clientWidth) - 50;
				var y = (self.innerHeight || (de&&de.clientHeight) || document.body.clientHeight) - 80;
				if(imgPreloader.width > x) { 
					imgPreloader.height = imgPreloader.height * (x/imgPreloader.width); 
					imgPreloader.width = x; 
					if(imgPreloader.height > y) { 
						imgPreloader.width = imgPreloader.width * (y/imgPreloader.height); 
						imgPreloader.height = y; 
					}
				} 
				else if(imgPreloader.height > y) { 
					imgPreloader.width = imgPreloader.width * (y/imgPreloader.height); 
					imgPreloader.height = y; 
					if(imgPreloader.width > x) { 
						imgPreloader.height = imgPreloader.height * (x/imgPreloader.width); 
						imgPreloader.width = x;
					}
				}
				// End Resizing
	
				TB_WIDTH = imgPreloader.width + 0;
				TB_HEIGHT = imgPreloader.height + 60;
				$("#TB_window").append("<img id='TB_Image' src='"+url+"' width='"+imgPreloader.width+"' height='"+imgPreloader.height+"' alt='"+caption+"'/>"
									 + "<div id='TB_caption'>"+caption+"</div><div id='TB_closeWindow'><a href='#' id='TB_closeWindowButton'>close</a></div>"); 
				$("#TB_closeWindowButton").click(TB_remove);
				$("#TB_Image").click(TB_remove); // close when image clicked added by Christian Montoya
				TB_position();
				$("#TB_load").remove();
				$("#TB_window").slideDown("normal");
				}
		  
				imgPreloader.src = url;
			}
			
			if(urlType == '.htm' || urlType == '.html'){//code to show html pages
				
				var queryString = url.replace(/^[^\?]+\??/,'');
				var params = parseQuery( queryString );
				
				TB_WIDTH = (params['width']*1) + 0;
				TB_HEIGHT = (params['height']*1) + 40;
				ajaxContentW = TB_WIDTH - 0;
				ajaxContentH = TB_HEIGHT - 45;
				$("#TB_window").append("<div id='TB_closeAjaxWindow'><a href='#' id='TB_closeWindowButton'>close</a></div><div id='TB_ajaxContent' style='width:"+ajaxContentW+"px;height:"+ajaxContentH+"px;'></div>");
				$("#TB_closeWindowButton").click(TB_remove);
				$("#TB_ajaxContent").load(url, function(){
				TB_position();
                    $("#details-form").validate();
				$("#TB_load").remove();
				$("#TB_window").slideDown("normal");
				});
			}
			
		} catch(e) {
			alert( e );
		}
	}
	
	//helper functions below
	
	function TB_remove() {
		// #TB_load removal added by Christian Montoya; solves bug when overlay is closed before image loads
		$("#TB_window").fadeOut("fast",function(){$('#TB_window,#TB_overlay,#TB_load').remove();}); 
		return false;
	}
	
	function TB_position() {
		var de = document.documentElement;
		var w = self.innerWidth || (de&&de.clientWidth) || document.body.clientWidth;
		var h = self.innerHeight || (de&&de.clientHeight) || document.body.clientHeight;
		if (window.innerHeight && window.scrollMaxY) {	
			yScroll = window.innerHeight + window.scrollMaxY;
		} else if (document.body.scrollHeight > document.body.offsetHeight){ // all but Explorer Mac
			yScroll = document.body.scrollHeight;
		} else { // Explorer Mac...would also work in Explorer 6 Strict, Mozilla and Safari
			yScroll = document.body.offsetHeight;
		}
		//alert('window.innerHeight: ' + window.innerHeight + '\nwindow.scrollMaxY: ' + window.scrollMaxY + '\ndocument.body.scrollHeight: ' + document.body.scrollHeight + '\ndocument.body.offsetHeight: ' + document.body.offsetHeight + '\n$("body").height(): ' + $('body').height() + '\n$("html").height(): ' + $("html").height()); // + '\n' +  + '\n' +  + '\n');
		
		$("#TB_window").css({width:TB_WIDTH+"px",height:TB_HEIGHT+"px",
		left: ((w - TB_WIDTH)/2)+"px", top: ((h - TB_HEIGHT)/2)+"px" });
		if ($.browser.opera) $("#TB_overlay").css("height","200%")
		else $("#TB_overlay").css("height",yScroll +"px");
		//$("#TB_overlay").css("height","100%");
	}
	
	function parseQuery ( query ) {
	   var Params = new Object ();
	   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;
	}
})(jQuery);
