/**
 * jQuery lightBox plugin
 * This jQuery plugin was inspired and based on Lightbox 2 by Lokesh Dhakar (http://www.huddletogether.com/projects/lightbox2/)
 * and adapted to me for use like a plugin from jQuery.
 * @name jquery-lightbox-0.5.js
 * @author Leandro Vieira Pinho - http://leandrovieira.com
 * @version 0.5
 * @date April 11, 2008
 * @category jQuery plugin
 * @copyright (c) 2008 Leandro Vieira Pinho (leandrovieira.com)
 * @license CC Attribution-No Derivative Works 2.5 Brazil - http://creativecommons.org/licenses/by-nd/2.5/br/deed.en_US
 * @example Visit http://leandrovieira.com/projects/jquery/lightbox/ for more informations about this jQuery plugin
 */

// Offering a Custom Alias suport - More info: http://docs.jquery.com/Plugins/Authoring#Custom_Alias
(function($) {
	$.fn.lightBox = function(settings) {
		settings = jQuery.extend({
			overlayBgColor: 		'#000',		
			overlayOpacity:			0.8,		
			fixedNavigation:		false,		
			imageLoading:			'/_imgs/lt2010/lightbox-ico-loading.gif',		
			imageBtnPrev:			'/_imgs/lt2010/lightbox-btn-prev.gif',			
			imageBtnNext:			'/_imgs/lt2010/lightbox-btn-next.gif',			
			imageBtnClose:			'/_imgs/lt2010/lightbox-btn-close.gif',		
			imageBlank:				'/_imgs/lt2010/lightbox-blank.gif',			
			containerBorderSize:	10,			
			containerResizeSpeed:	400,		
			txtImage:				'Image',	
			txtOf:					'of',		
			keyToClose:				'c',		
			keyToPrev:				'p',		
			keyToNext:				'n',		
			imageArray:				[],
			activeImage:			0
		},settings);
		var jQueryMatchedObj = this;
		function _initialize() {
			_start(this,jQueryMatchedObj);
			return false;
		}
		function _start(objClicked,jQueryMatchedObj) {
			$('embed, object, select').css({ 'visibility' : 'hidden' });
			_set_interface();
			settings.imageArray.length = 0;
			settings.activeImage = 0;
			if ( jQueryMatchedObj.length == 1 ) {
				if(objClicked.getAttribute('title').indexOf('video') != -1) {
				    var detailsString = objClicked.getAttribute('title').toString();
				    var objectStringArray = detailsString.split('|');
				    var hrefVar = objectStringArray[0];
				    var vidName = objectStringArray[1];
				    var vidPath = objectStringArray[2];
				    var countryCode = objectStringArray[3];
                    var swfObjectToAdd = new Array();
                    swfObjectToAdd[0] = hrefVar;
                    swfObjectToAdd[1] = vidName;
                    swfObjectToAdd[2] = vidPath;
                    swfObjectToAdd[3] = countryCode;
                    swfObjectToAdd[4] = detailsString;
				    settings.imageArray.push(swfObjectToAdd);
				} else if(objClicked.getAttribute('title').indexOf("globalVillage") != -1) {
                    settings.imageArray.push(new Array(objClicked.getAttribute('title'),objClicked.getAttribute('title')));
				} else {
				    settings.imageArray.push(new Array(objClicked.getAttribute('href'),objClicked.getAttribute('title')));
				}			
			} else {
				for ( var i = 0; i < jQueryMatchedObj.length; i++ ) {
				    if(jQueryMatchedObj[i].getAttribute('title').indexOf('video') != -1) {
			            var detailsString = jQueryMatchedObj[i].getAttribute('title').toString();
				        var objectStringArray = detailsString.split('|');
				        var hrefVar = objectStringArray[0];
				        var vidName = objectStringArray[1];
				        var vidPath = objectStringArray[2];
				        var countryCode = objectStringArray[3];
                        var swfObjectToAdd = new Array();
                        swfObjectToAdd[0] = hrefVar;
                        swfObjectToAdd[1] = vidName;
                        swfObjectToAdd[2] = vidPath;
                        swfObjectToAdd[3] = countryCode;
                        swfObjectToAdd[4] = detailsString;
				        settings.imageArray.push(swfObjectToAdd);
    				} else if(jQueryMatchedObj[i].getAttribute('title').indexOf("globalVillage") != -1) {
                        settings.imageArray.push(new Array(jQueryMatchedObj[i].getAttribute('title'),jQueryMatchedObj[i].getAttribute('title')));
				    } else {
				        settings.imageArray.push(new Array(jQueryMatchedObj[i].getAttribute('href'),jQueryMatchedObj[i].getAttribute('title')));
				    }
				}
			}
			var isFireFox = false;
			$.each($.browser, function(i, val) {if(i=="mozilla") {if(val == true) {isFireFox = true;return;}}});
			if(isFireFox) {
                if (jQueryMatchedObj.length != 1) {
			        while (settings.imageArray[settings.activeImage][0] != objClicked.getAttribute('href')) {
				        settings.activeImage++;
			        }
			    }
			} else {
			    imageArrayLength = settings.imageArray.length;
			    for(var i = 0; i < imageArrayLength; i ++) {
		            if(objClicked.getAttribute('href').indexOf(settings.imageArray[i][0]) != -1) {
		                settings.activeImage= i;
		                break;
		            }
		        }
		    }
			_set_image_to_view();
		}
		function _set_interface() {
			$('body').append('<div id="jquery-overlay"></div><div id="jquery-lightbox"><div id="lightbox-container-image-box"><div id="lightbox-container-image"><div id="lightbox-video-content"><img id="lightbox-image"></div><div style="" id="lightbox-nav"><a href="#" id="lightbox-nav-btnPrev"></a><a href="#" id="lightbox-nav-btnNext"></a></div><div id="lightbox-loading"><a href="#" id="lightbox-loading-link"><img src="' + settings.imageLoading + '"></a></div></div></div><div id="lightbox-container-image-data-box"><div id="lightbox-container-image-data"><div id="lightbox-image-details"><span id="lightbox-image-details-caption"></span><span id="lightbox-image-details-currentNumber"></span></div><div id="lightbox-secNav"><a href="#" id="lightbox-secNav-btnClose"><img src="' + settings.imageBtnClose + '"></a></div></div></div><div id="lightbox-related-container" style="width:100%; background:#fff; padding:10px;"></div></div>');	
			var arrPageSizes = ___getPageSize();
			$('#jquery-overlay').css({
				backgroundColor:	settings.overlayBgColor,
				opacity:			settings.overlayOpacity,
				width:				arrPageSizes[0],
				height:				arrPageSizes[1]
			}).fadeIn();
			var arrPageScroll = ___getPageScroll();
			$('#jquery-lightbox').css({
				top:	arrPageScroll[1] + (arrPageSizes[3] / 10),
				left:	arrPageScroll[0]
			}).show();
			$('#jquery-overlay,#jquery-lightbox').click(function() {});
			$('#lightbox-loading-link,#lightbox-secNav-btnClose').click(function() {
				_finish();
				return false;
			});
			$(window).resize(function() {
				var arrPageSizes = ___getPageSize();
				$('#jquery-overlay').css({
					width:		arrPageSizes[0],
					height:		arrPageSizes[1]
				});
				var arrPageScroll = ___getPageScroll();
				$('#jquery-lightbox').css({
					top:	arrPageScroll[1] + (arrPageSizes[3] / 10),
					left:	arrPageScroll[0]
				});
			});
		}
		function _set_image_to_view() { // show the loading
			$('#lightbox-loading').show();
			if ( settings.fixedNavigation ) {
				$('#lightbox-image,#lightbox-container-image-data-box,#lightbox-image-details-currentNumber').hide();
			} else {
				$('#lightbox-image,#lightbox-nav,#lightbox-nav-btnPrev,#lightbox-nav-btnNext,#lightbox-container-image-data-box,#lightbox-image-details-currentNumber').hide();
			}
			var objImagePreloader = new Image();
			objImagePreloader.onload = function() {
                if(settings.imageArray[settings.activeImage][1].indexOf("video") != -1) {
			        var flashDetails = settings.imageArray[settings.activeImage];
			        var vidPath = flashDetails[2];
			        var countryCode = flashDetails[3];
	    		    s1 = new SWFObject("http://media.ef.com/_media/lt/video_player/player-4.4.162.swf","ply","625","290","9","#FFFFFF");
                    s1.addVariable("file","http://media.ef.com/_media/lt/spotlight_videos/" + vidPath + ".flv");
                    s1.addVariable("captions","http://media.ef.com/_media/lt/spotlight_videos/" + vidPath + "_" + countryCode + ".xml");
                    s1.addVariable("plugins","http://media.ef.com/_media/lt/video_player/accessibility-4,googlytics-1");
                    s1.addVariable('accessibility.hide', 'true');
                    s1.addVariable('accessibility.fontsize', '12'); 
	                s1.addParam("allowfullscreen","true");
	                s1.addParam("allowscriptaccess","always");
	                s1.addParam("wmode","opaque");
	                s1.addVariable("autostart","true");
                    s1.write('lightbox-video-content');
                    _resize_container_image_box(625,290);
			        _show_image_data();
			        _set_navigation();   
			        _show_related_videos();                 
			    } else if(settings.imageArray[settings.activeImage][1].indexOf("globalVillage") != -1) {
	    		    s1 = new SWFObject("/_media/global_village.swf","glv","750","580","8","#000000");
                    s1.addParam("wmode","opaque");
	                s1.write('lightbox-video-content');
                    _resize_container_image_box(750,580);
                    _show_image_data();
                } else {
		            document.getElementById("lightbox-video-content").innerHTML = "<img id='lightbox-image'>";
			        $('#lightbox-image').attr('src',settings.imageArray[settings.activeImage][0]);
			        _resize_container_image_box(objImagePreloader.width,objImagePreloader.height);
                }
				objImagePreloader.onload=function(){};
			};
		    if(settings.imageArray[settings.activeImage][1].indexOf("video") != -1) {
		        var flashDetails = settings.imageArray[settings.activeImage];
		        var vidPath = flashDetails[2];
		        var countryCode = flashDetails[3];
    		    s1 = new SWFObject("http://media.ef.com/_media/lt/video_player/player-4.4.162.swf","ply","625","290","9","#FFFFFF");
                s1.addVariable("file","http://media.ef.com/_media/lt/spotlight_videos/" + vidPath + ".flv");
                s1.addVariable("captions","http://media.ef.com/_media/lt/spotlight_videos/" + vidPath + "_" + countryCode + ".xml");
                s1.addVariable("plugins","http://media.ef.com/_media/lt/video_player/accessibility-4,googlytics-1");
                s1.addVariable('accessibility.hide', 'true');
                s1.addVariable('accessibility.fontsize', '12'); 
                s1.addParam("allowfullscreen","true");
                s1.addParam("allowscriptaccess","always");
                s1.addParam("wmode","opaque");
                s1.addVariable("autostart","true");
                s1.write('lightbox-video-content');	
                _resize_container_image_box(625,290);
			    _show_image_data();
			    _set_navigation();
			    _show_related_videos();              	    
			} else if(settings.imageArray[settings.activeImage][1].indexOf("globalVillage") != -1) {
	    		s1 = new SWFObject("/_media/global_village.swf","glv","750","580","8","#000000");
                s1.addParam("wmode","opaque");
	            s1.write('lightbox-video-content');
                _resize_container_image_box(750,580);
                _show_image_data();
		    } else {
		        document.getElementById("lightbox-video-content").innerHTML = "<img id='lightbox-image'>";
		        objImagePreloader.src = settings.imageArray[settings.activeImage][0];
		        _resize_container_image_box(objImagePreloader.width,objImagePreloader.height);
		    }
		};
		function _show_related_videos() {
		    document.getElementById("lightbox-related-container").innerHTML = "";
		    if(settings.activeImage > 1) {
		        var vidNumMin2 = settings.activeImage - 2;
		        var nextVidImgPath = settings.imageArray[settings.activeImage - 2][2];
		        $("#lightbox-related-container").append("<a href='#" + nextVidImgPath + "' title='" + vidNumMin2 + "' id='relatedVid" + vidNumMin2 + "' style='margin:0px 5px;'><img src='/_imgs/lt2010/testimonial_related/" + nextVidImgPath + ".jpg' width='140' height='70' alt='' /></a>");
		        $("#relatedVid" + vidNumMin2).unbind();
		        $("#relatedVid" + vidNumMin2).bind('click',function() {
					settings.activeImage = vidNumMin2;
					_set_image_to_view();
					return false;
				});
		    }
		    if(settings.activeImage > 0) {
		        var vidNumMin1 = settings.activeImage - 1;
		        var nextVidImgPath = settings.imageArray[settings.activeImage - 1][2];
		        $("#lightbox-related-container").append("<a href='#" + nextVidImgPath + "' title='" + vidNumMin1 + "' id='relatedVid" + vidNumMin1 + "' style='margin:0px 5px;'><img src='/_imgs/lt2010/testimonial_related/" + nextVidImgPath + ".jpg' width='140' height='70' alt='' /></a>");
		        $("#relatedVid" + vidNumMin1).unbind();
		        $("#relatedVid" + vidNumMin1).bind('click',function() {
					settings.activeImage = vidNumMin1;
					_set_image_to_view();
					return false;
				});
		    }
		    if(settings.activeImage < settings.imageArray.length - 1) {
		        var vidNumPlus1 = settings.activeImage + 1;
		        var nextVidImgPath = settings.imageArray[settings.activeImage + 1][2];
		        $("#lightbox-related-container").append("<a href='#" + nextVidImgPath + "' title='" + vidNumPlus1 + "' id='relatedVid" + vidNumPlus1 + "' style='margin:0px 5px;'><img src='/_imgs/lt2010/testimonial_related/" + nextVidImgPath + ".jpg' width='140' height='70' alt='' /></a>");
		        $("#relatedVid" + vidNumPlus1).unbind();
		        $("#relatedVid" + vidNumPlus1).bind('click',function() {
					settings.activeImage = vidNumPlus1;
					_set_image_to_view();
					return false;
				});
		    }
		    if(settings.activeImage < settings.imageArray.length - 2) {
		        var vidNumPlus2 = settings.activeImage + 2;
		        var nextVidImgPath = settings.imageArray[settings.activeImage + 2][2];
		        $("#lightbox-related-container").append("<a href='#" + nextVidImgPath + "' title='" + vidNumPlus2 + "' id='relatedVid" + vidNumPlus2 + "' style='margin:0px 5px;'><img src='/_imgs/lt2010/testimonial_related/" + nextVidImgPath + ".jpg' width='140' height='70' alt='' /></a>");
		        $("#relatedVid" + vidNumPlus2).unbind();
		        $("#relatedVid" + vidNumPlus2).bind('click',function() {
					settings.activeImage = vidNumPlus2;
					_set_image_to_view();
					return false;
				});
		    }
		}
		
		function _resize_container_image_box(intImageWidth,intImageHeight) {
			var intCurrentWidth = $('#lightbox-container-image-box').width();
			var intCurrentHeight = $('#lightbox-container-image-box').height();
			var intWidth = (intImageWidth + (settings.containerBorderSize * 2));
			var intHeight = (intImageHeight + (settings.containerBorderSize * 2));
			var intDiffW = intCurrentWidth - intWidth;
			var intDiffH = intCurrentHeight - intHeight;
			$('#lightbox-container-image-box').animate({ width: intWidth, height: intHeight },settings.containerResizeSpeed,function() { _show_image(); });
			if ( ( intDiffW == 0 ) && ( intDiffH == 0 ) ) {
				if ( $.browser.msie ) {
					___pause(250);
				} else {
					___pause(100);	
				}
			} 
			$('#lightbox-container-image-data-box').css({ width: intImageWidth });
			$('#lightbox-related-container').css({ width: intImageWidth, 'margin' : '0px auto' });
			$('#lightbox-nav-btnPrev,#lightbox-nav-btnNext').css({ height: intImageHeight + (settings.containerBorderSize * 2) });
		};
		function _show_image() {
			$('#lightbox-loading').hide();
			$('#lightbox-image').fadeIn(function() {
				_show_image_data();
				_set_navigation();
			});
			_preload_neighbor_images();
		};
		function _show_image_data() {
			$('#lightbox-container-image-data-box').slideDown('fast');
			$('#lightbox-image-details-caption').hide();
			if ( settings.imageArray[settings.activeImage][1] ) {
				$('#lightbox-image-details-caption').html(settings.imageArray[settings.activeImage][1]).show();
			}
			if ( settings.imageArray.length > 1 ) {
				$('#lightbox-image-details-currentNumber').html(settings.txtImage + ' ' + ( settings.activeImage + 1 ) + ' ' + settings.txtOf + ' ' + settings.imageArray.length).show();
			}		
		}
		function _set_navigation() {
			$('#lightbox-nav').show();
			$('#lightbox-nav-btnPrev,#lightbox-nav-btnNext').css({ 'background' : 'transparent url(' + settings.imageBlank + ') no-repeat', 'height' : '80%' });
			if ( settings.activeImage != 0 ) {
				if ( settings.fixedNavigation ) {
					$('#lightbox-nav-btnPrev').css({ 'background' : 'url(' + settings.imageBtnPrev + ') left 15% no-repeat', 'height' : '80%' })
						.unbind()
						.bind('click',function() {
							settings.activeImage = settings.activeImage - 1;
							_set_image_to_view();
							return false;
						});
				} else {
					$('#lightbox-nav-btnPrev').unbind().hover(function() {
						$(this).css({ 'background' : 'url(' + settings.imageBtnPrev + ') left 15% no-repeat', 'height' : '80%' });
					},function() {
						$(this).css({ 'background' : 'transparent url(' + settings.imageBlank + ') no-repeat', 'height' : '80%' });
					}).show().bind('click',function() {
						settings.activeImage = settings.activeImage - 1;
						_set_image_to_view();
						return false;
					});
				}
			}
			if ( settings.activeImage != ( settings.imageArray.length -1 ) ) {
				if ( settings.fixedNavigation ) {
					$('#lightbox-nav-btnNext').css({ 'background' : 'url(' + settings.imageBtnNext + ') right 15% no-repeat', 'height' : '80%' })
						.unbind()
						.bind('click',function() {
							settings.activeImage = settings.activeImage + 1;
							_set_image_to_view();
							return false;
						});
				} else {
					$('#lightbox-nav-btnNext').unbind().hover(function() {
						$(this).css({ 'background' : 'url(' + settings.imageBtnNext + ') right 15% no-repeat', 'height' : '80%' });
					},function() {
						$(this).css({ 'background' : 'transparent url(' + settings.imageBlank + ') no-repeat', 'height' : '80%' });
					}).show().bind('click',function() {
						settings.activeImage = settings.activeImage + 1;
						_set_image_to_view();
						return false;
					});
				}
			}
			_enable_keyboard_navigation();
		}
		function _enable_keyboard_navigation() {
			$(document).keydown(function(objEvent) {
				_keyboard_action(objEvent);
			});
		}
		function _disable_keyboard_navigation() {
			$(document).unbind();
		}
		function _keyboard_action(objEvent) {
			if ( objEvent == null ) {
				keycode = event.keyCode;
				escapeKey = 27;
			} else {
				keycode = objEvent.keyCode;
				escapeKey = objEvent.DOM_VK_ESCAPE;
			}
			key = String.fromCharCode(keycode).toLowerCase();
			if ( ( key == settings.keyToClose ) || ( key == 'x' ) || ( keycode == escapeKey ) ) {
				_finish();
			}
			if ( ( key == settings.keyToPrev ) || ( keycode == 37 ) ) {
				if ( settings.activeImage != 0 ) {
					settings.activeImage = settings.activeImage - 1;
					_set_image_to_view();
					_disable_keyboard_navigation();
				}
			}
			if ( ( key == settings.keyToNext ) || ( keycode == 39 ) ) {
				if ( settings.activeImage != ( settings.imageArray.length - 1 ) ) {
					settings.activeImage = settings.activeImage + 1;
					_set_image_to_view();
					_disable_keyboard_navigation();
				}
			}
		}
		function _preload_neighbor_images() {
			if ( (settings.imageArray.length -1) > settings.activeImage ) {
				objNext = new Image();
				objNext.src = settings.imageArray[settings.activeImage + 1][0];
			}
			if ( settings.activeImage > 0 ) {
				objPrev = new Image();
				objPrev.src = settings.imageArray[settings.activeImage -1][0];
			}
		}
		function _finish() {
			$('#jquery-lightbox').remove();
			$('#jquery-overlay').fadeOut(function() { $('#jquery-overlay').remove(); });
			$('embed, object, select').css({ 'visibility' : 'visible' });
		}
		function ___getPageSize() {
			var xScroll, yScroll;
			if (window.innerHeight && window.scrollMaxY) {	
				xScroll = window.innerWidth + window.scrollMaxX;
				yScroll = window.innerHeight + window.scrollMaxY;
			} else if (document.body.scrollHeight > document.body.offsetHeight){
				xScroll = document.body.scrollWidth;
				yScroll = document.body.scrollHeight;
			} else {
				xScroll = document.body.offsetWidth;
				yScroll = document.body.offsetHeight;
			}
			var windowWidth, windowHeight;
			if (self.innerHeight) {
				if(document.documentElement.clientWidth){
					windowWidth = document.documentElement.clientWidth; 
				} else {
					windowWidth = self.innerWidth;
				}
				windowHeight = self.innerHeight;
			} else if (document.documentElement && document.documentElement.clientHeight) {
				windowWidth = document.documentElement.clientWidth;
				windowHeight = document.documentElement.clientHeight;
			} else if (document.body) {
				windowWidth = document.body.clientWidth;
				windowHeight = document.body.clientHeight;
			}	
			if(yScroll < windowHeight){
				pageHeight = windowHeight;
			} else { 
				pageHeight = yScroll;
			}
			if(xScroll < windowWidth){	
				pageWidth = xScroll;		
			} else {
				pageWidth = windowWidth;
			}
			arrayPageSize = new Array(pageWidth,pageHeight,windowWidth,windowHeight);
			return arrayPageSize;
		};
		function ___getPageScroll() {
			var xScroll, yScroll;
			if (self.pageYOffset) {
				yScroll = self.pageYOffset;
				xScroll = self.pageXOffset;
			} else if (document.documentElement && document.documentElement.scrollTop) {
				yScroll = document.documentElement.scrollTop;
				xScroll = document.documentElement.scrollLeft;
			} else if (document.body) {
				yScroll = document.body.scrollTop;
				xScroll = document.body.scrollLeft;	
			}
			arrayPageScroll = new Array(xScroll,yScroll);
			return arrayPageScroll;
		};
		 function ___pause(ms) {
			var date = new Date(); 
			curDate = null;
			do { var curDate = new Date(); }
			while ( curDate - date < ms);
		 };
		return this.unbind('click').click(_initialize);
	};
})(jQuery);