// hide article text until paginated
if($('.article_text').length > 0) {
	$('.article_text').addClass("hidden");
}

$('html').addClass('js');

/* $(document).ready() code -- executed after page load completes */
$(document).ready(function() {
	/*---- DL Code ----*/
	if( ($('div.dl').length > 0) && (typeof($.fn.dynamiclead) != "undefined") ) {
		$('div.dl h3').addClass('hidden');
		$('div.dl .credit').removeClass('hidden');
		
		$('div.dl ul').dynamiclead({
			slideArray: ((typeof(DLslides)!="undefined")?DLslides:[{url:'',link:'',headline:'',caption:''}])   
        });
        		
	}
	
	/*---- Put label text inside input for Newsletters ----*/
	if($("#newsletter input").length > 0) { 
		$("#newsletter input").labelify({ text: "label" });
	}
	
	
	/*---- Initialize Carousels ----*/
	if($('div.carousel').length > 0) {
		$('div.carousel .fact_slides').jcarousel({
	   		scroll: 1,
	   		visible: 1,
	   		initCallback: fact_slides_initCallback, 
	   		itemFirstInCallback: fact_slides_itemFirstInCallback
		});
		if($('div.fact_slides .jcarousel_prev').length > 0) {
			$('div.fact_slides .jcarousel_prev').after();
		}
		$('div.carousel .three').jcarousel({
			scroll: 3,
			visible: 3
		});
	
		$('div.carousel .seven').jcarousel({
			scroll: 7,
			visible: 7
		});
	
	    $('div.carousel .four').jcarousel({
			scroll: 4,
			visible: 4
	    });
    	
		$('div.carousel .magazine').jcarousel({
			scroll: 5
		});
		
		$('div.carousel .iphone').jcarousel({
			scroll: 2,
			visible: 2
		});
		
		$('div.carousel .restrain').removeClass('restrain');
	
		$('ul.magazine li:nth-child(5n), ul.magazine li:last').css('border', 'none');
	
		if ($('ul.magazine li').length == 5) {
		    $('.magazine div.jcarousel-prev, .magazine div.jcarousel-next').hide();
	    }else{
	        $('.magazine div.jcarousel-prev, .magazine div.jcarousel-next').show();
		};
	}
	/*---- Build link list columns ----*/
	if($('.columns ol, .columns ul').length > 0) {
		$(' .columns ol, .columns ul').each(function() {
	    	if (!($(this).parent().parent().hasClass('full_width'))) {
	        	$(this).columns({
	            	cols:2
	        	});
	    	}else {
	        	$(this).columns({
	            	cols:3
	        	});
	    	}
		});
	}
	/*---- Share Button Home Code ----*/
	if($('body.home #share, body.level_2 #share').length > 0) {
		$('body.home #share, body.level_2 #share').addClass('collapsed');
	}
	if($('#nav_share').length > 0) {
		$('#nav_share li a').addClass('hiddenText');
		$('#nav_share li').slice(4).addClass('hidden');
		$('#nav_share').append('<li class="more_link"><a href="">More</a></li>');
		var moreLink = $('#nav_share .more_link');
		moreLink.click(function () { 
			$('#share').toggleClass('collapsed');
			$('#nav_share li').slice(4, -1).toggleClass('hidden');
			if (moreLink.text() =='More'){
				moreLink.html('<a href="">Collapse</a>');				
			} else {
				moreLink.html('<a href="">More</a>');
			}
			return false;
		});
	}
	/*---- Hide Share Email Form ----*/
	if($('#share_email').length > 0) {
		$('#share_email').addClass('hidden');
	}
	/*---- Prepend Print Link to Article Rating div ----*/
	// Causing some error, possibly related to Share Links scripts; user not affected - LB 061009
	if($('#article_rating').length > 0) {
		$('#article_rating').before('<div id="print_link"><a href="#" onclick="ngsprint();return false;">Printer Friendly</a></div>');
	}
	/*---- Most Popular Tabs Code ----*/
	if($('div.tabbed_box').length > 0) {
		$('div.tabbed_box').each(function() {
			// Show just the first tab
			var sections = $('.popularity_type', this);
			sections.hide();
			$(sections[0]).show();
	
			// Build the tab-links
			var ul = $('<ul class="nav nav_tabbed">');
			sections.each(function(index) {
				var section_obj = $(this);
				var heading = $('h4', this).html();
				var li = $('<li class="nav_0'+(index+1)+'">');
				$('h4', this).remove();
				li.append(
					$('<h4><a href="#">'+heading+'</a></h4>').click(function() {
						// Show just this section.
						sections.hide();
						section_obj.show();
				
						// And mark just this tab
						tabs.removeClass('selected');
						li.addClass('selected');
						return false;					
				}));
				ul.append(li);
			})
		
			$('div.wrap', this).before(ul);
	
			// Compile the list of new tabs we just made, and select the first one.
			var tabs = $('li', ul);
			$(tabs[0]).addClass('selected');
		});
	}
	/*---- Table Striping ----*/
	if($('table.striped').length > 0) {
		$('table.striped tr:odd').addClass('striped');
		//$('table.striped tr:odd').css('background-color','#f4f4f4');
	}
	/*---- Article Rating functionality ----*/
	
	/*---- Video Icon Overlay ----*/
    if($('.video').length > 0) {
		$('.video').each(function(){
        	var vid_thumb_width = $('img', this).attr('width');
	        if (vid_thumb_width == 160) {
	            var overlay_position = 10;
	        } else {
	            var overlay_position = 5;
	        };
	        var vid_link = $('a', this).attr('href');
                        
	        if (vid_thumb_width == 160 || vid_thumb_width == 100) {    
	           	$('img', this).after('<img src="'+((typeof(staticURL)!="undefined")?staticURL:'/')+'sites/common/i/presentation/video_overlay.png" class="overlay" alt="Video Icon Overlay" style="left: '+ overlay_position +'px; bottom: '+ overlay_position +'px;"/>');
	        };
	    });
	}
	
	/*---- Article Pagination functionality ----*/
	// check for the article content container by class
	if(typeof pageSet != "undefined" && $('.article_text').length > 0) {
		// create a new pageSet object
		articlePages = new pageSet({
			oPageContainer:((typeof($)!="undefined")?$(".article_text")[0]:document.getElementsByClassName('article_text')[0]),
			oMatchRE:new RegExp("page_*break"),
			strMatchTagName: "comment",
			activePageIndex:jss.current_page(),
			pageItemClass: "article-page-item",
			callback: function(delaySecs) { 
				delaySecs=((delaySecs&&!isNaN(parseInt(delaySecs)))?parseInt(delaySecs):.5);
				if(typeof(ngsPageView)!="undefined") {
					if(typeof(callTmr)!="undefined"){ 
						clearTimeout(callTmr); 
					};
					callTmr = setTimeout("ngsPageView();",(delaySecs*1000));
				}
			}
		});

		if(articlePages.pages.length>1) {
			$($(".article_text").get(0)).append('<div class="nav-article-pages pagination"></div>');
			$(".nav-article-pages").pagination(Math.ceil(articlePages.pages.length), {
				items_per_page:1,
				num_display_entries: 14,
				current_page: jss.current_page(),
				callback:articlePages.viewPage,
				link_to: "#"+articlePages.hashVar+"=__id__",
				prev_text: "&laquo; Previous",
				next_text: "Next &raquo;"
			});
			articlePages.viewPage(articlePages.activePageIndex);
			articlePages.readyState = "4:COMPLETED";
		}
		$('.article_text').removeClass("hidden");
	}
	
	if(FlashApps[0] != undefined){ loadFlashApps();}
	if(rssFeeds[0] != undefined){ loadRssReaders();}
	if(factsBoxes[0] != undefined){ loadFactsBoxes();}
	if(typeof(VEMaps)!="undefined" && typeof(VEMaps[0]) != "undefined" && VEMaps[0] != undefined) {loadVEMaps();}
	
	/*---- Set Equal Heights on Columns ----*/
	$('.homepage .subsection, .homepage #content_page_specific, .article .subsection, .small_article .subsection, .home .subsection, .article #content_page_specific, .small_article #content_page_specific, .home #content_page_specific, .level_2 #content_page_specific, .level_2 #content_page_specific .subsection, .a_z #content_page_specific, .mobile .promo_collection .horizontal').equalHeights(true);	
	/*---- Collapse Any Empty Ad Units ----*/
	var kidsSecondaryAd = ((document.getElementById("advertisingModule210x50") && document.getElementById("advertisingModule210x50").length > 1)?document.getElementById("advertisingModule210x50")[0]:((document.getElementById("advertisingModule210x50"))?document.getElementById("advertisingModule210x50"):false));
	if(kidsSecondaryAd) {
			collapseEmptyHeaderAds();
		if (kidsSecondaryAd && $(kidsSecondaryAd).find('iframe').length > 0) {
			$(kidsSecondaryAd).find('iframe').get(0).onload = function() { collapseEmptyHeaderAds(); };
		}
	} else {
		collapseEmptyHeaderAds({expandDuration:888});
	}
	getLoadTimes();
});

/*---- Print function ----*/
function ngsprint() {
	window.print();
}

jQuery.expr[':'].regex = function(elem, index, match) {
  	var matchParams = match[3].split(','),
	validLabels = /^(data|css):/,
	attr = {
		method: matchParams[0].match(validLabels) ? matchParams[0].split(':')[0] : 'attr',
		property: matchParams.shift().replace(validLabels,'')
	},
	regexFlags = 'ig',
	regex = new RegExp(matchParams.join('').replace(/^\s+|\s+$/g,''), regexFlags);
	return regex.test(jQuery(elem)[attr.method](attr.property));
}

getLeadingZeros  = function(opts) {
	var n = ((typeof(opts['n'])!="undefined"&&!isNaN(parseInt(opts['n'])))?opts['n']:0);
	var digits = ((typeof(opts['digits'])!="undefined"&&!isNaN(parseInt(opts['digits'])))?opts['digits']:3);
	return ((n.toString().length>=digits)?n:( (n + 1) * parseFloat( parseFloat('0').toFixed( digits - 1 ) + 1 ) ).toFixed(digits).toString().split('.')[1]);
}

/* FUNCTION: wrapByRegEx({parentSelectorText:[STRING],matchRegEx:[REGULAR EXPRESSION or ARRAY OF REGULAR EXPRESSIONS],wrapHTML:[STRING or ARRAY OF STRINGS],idDigits:[NUMBER]})
--- wraps matching text nodes with supplied HTML snippet, using id attribute if [[id]] is present in the HTML snippet and idDigits > 0  ---
*/
wrapByRegEx = function(opts) {
	var parentSelectorText = ((typeof(opts["parentSelectorText"])!="undefined")?opts["parentSelectorText"]:null);
	if(parentSelectorText==null) {
		return false;
	}
	var idDigits = ((typeof(opts["idDigits"])!="undefined"&&!isNaN(parseInt(opts["idDigits"])))?parseInt(opts["idDigits"]):-1);
	var matchRegEx = ((typeof(opts["matchRegEx"])!="undefined")?((typeof(opts["matchRegEx"])!="string"&&typeof(opts["matchRegEx"].length)!="undefined")?opts["matchRegEx"]:[opts["matchRegEx"]]):null);
	var wrapHTML = ((typeof(opts["wrapHTML"])!="undefined")?((typeof(opts["wrapHTML"])!="string"&&typeof(opts["wrapHTML"].length)!="undefined")?opts["wrapHTML"]:[opts["wrapHTML"]]):null);
	var s_regExCombined = "";
	var is_ignoreCase = false;
	$(matchRegEx).each(function(i){
		s_regExCombined += "("+this.source + ")"+((i==matchRegEx.length-1)?"":"|");
		is_ignoreCase = ((this.ignoreCase)?true:is_ignoreCase);
	});
	var combinedMatchRegEx = new RegExp(s_regExCombined,((is_ignoreCase)?"i":""));
	var n = 1;
	var a_allNodes = $(parentSelectorText)
	.contents()
	.filter( function() {
		if((this.nodeType == Node.TEXT_NODE) && (this.data+'').match(combinedMatchRegEx)!=null) {
			var s_nodeData = (this.data+'');
			var o_textNode = this;
			$(matchRegEx).each(function(i){
				if(s_nodeData.match(this)) {
					var s_matchFlags = ( (this.ignoreCase) ? "i":"" ) + ( (this.global) ? "g":"" ) + ( ( this.multiline)?"m":"" );
					var matchRE = ( ( (this.source+'').match(/(^|[^\\])\(|[^\\]\)/) ? this : new RegExp( "(" + this.source + ")" , s_matchFlags ) ) );
					var is_useMatchText = (wrapHTML[i].match(/\[\[matchText\]\]/) != null);
					var s_wrapped = ( (idDigits) ? 
						wrapHTML[i].replace( /\[\[id\]\]/g, getLeadingZeros({n:n,digits:idDigits}) ) :
					 	wrapHTML[i] );
					var s_wrapped = ( (is_useMatchText) ? s_wrapped.replace(/\[\[matchText\]\]/gi,"\$1") : s_wrapped);
						var s_replaceText = s_nodeData.replace( matchRE , s_wrapped );
						$(o_textNode).replaceWith(s_replaceText);
					n++;
				}
			});
		} 
	});
}

parseXML = function(xml) {
	if( window.ActiveXObject && window.GetObject ) {
		var dom = new ActiveXObject( 'Microsoft.XMLDOM' );
		dom.loadXML( xml );
		return dom;
    }
    if( window.DOMParser ) {
		return new DOMParser().parseFromString( xml, 'text/xml' );
	}
    throw new Error( 'No XML parser available' );
}


// NG RICH MEDIA FUNCTIONS
var FlashApps = [];
addFlashApp = function(dataObj){
	FlashApps.push(dataObj);
}

loadFlashApps = function(){
	var totApps = FlashApps.length;
	for(var i=0;i<totApps;i++){
		createFlashObject(FlashApps[i]);
	}
}
createFlashObject = function(dataObj){
	$(dataObj.div).css("visibility","visible");
	if(dataObj.customXML){
		loadSWF();
	} else {
		var richMediaXML;
		parseRichMediaXML();
	}
	function parseRichMediaXML(){
		try {
			richMediaXML = parseXML(dataObj.currentXML);
		} catch(err) {
			$(dataObj.div).append("<p><strong>ERROR PARSING XML</strong></p>");
		}
		loadSWF();
	}
	function loadSWF(){
	
		var params = {};
		params.allowscriptaccess = "always";
		params.wmode = (dataObj.type == "Quiz") ? "transparent" : "opaque";
		params.menu = "false";
		params.quality = "best";
		params.bgcolor = "#FFFFFF";
		params.base = dataObj.filePath;
		params.scale = "noscale";
		params.salign = "tl";
		
		//Javascript workaround until the Object tag is working
		var tempSite = window.location.host;
		var siteDomain = "http://" + tempSite;
		
		var flashvars = {};
		flashvars.css = dataObj.css;
		flashvars.siteDomain = siteDomain;
		
		// For Dynamic content that needs dimensions\\\\\\\\\\\\\\\\\
		flashvars.width = dataObj.width;
		flashvars.height = dataObj.height;
	
		// QUIZ and Quiz Your Noodle //////////////////////////////
		flashvars.cssFile = flashvars.css;
		flashvars.imagePath = dataObj.filePath;
		flashvars.parentDiv = dataObj.parentDiv;
		// END QUIZ \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\
	
		if(dataObj.customXML){
			flashvars.xml = dataObj.xmlURL;
			flashvars.xmlfile = dataObj.xmlURL;// for quizzes
			flashvars.xmlFile = dataObj.xmlURL;// for other interactives
		} else {
			if(dataObj.xml != ""){
				flashvars.xml = dataObj.xml;
				flashvars.xmlfile = flashvars.xml;// For quizzes
				flashvars.xmlFile = flashvars.xml;// For other interactives
			}
			$(richMediaXML).find("richmedia").children().each(function(){
				flashvars[this.tagName] = $(this).text();
			});
		};
	
		var attributes = {};
		attributes.id = dataObj.slug;
		
		if(dataObj.width == undefined||dataObj.width == ""||dataObj.height == ""||dataObj.height == undefined||dataObj.version == ""||dataObj.version == undefined){
			$(dataObj.div).append("<p><strong>ERROR IN RICH MEDIA TYPE: Please check your settings</strong></p>");
			return;
		} else {
			swfobject.embedSWF(dataObj.flashURL, dataObj.slug, dataObj.width, dataObj.height, dataObj.version, false, flashvars, params, attributes);
		}
	}
}

loadVideo = function(div,slug,siteid,w,h){
	var params = {allowfullscreen:true,allowscriptaccess:"always",wmode:"opaque",menu:"false",quality:"best",bgcolor:"#FFFFFF",scale:"noscale",salign:"tl"};
	var flashvars = {slug:slug,siteid:siteid,adenabled:'true',autoplay:'true'};
	var attributes = {id:slug};
	var noFlashStr = '<img style="vertical-align:middle;" width="30" height="30" alt="Adobe Flash Player" src="http://wwwimages.adobe.com/www.adobe.com/shockwave/download/images/flashplayer_100x100.jpg"/> This video requires the latest version of Flash Player. <a href="http://get.adobe.com/flashplayer/">Click here to download.</a>';
	
	if(w == undefined) w = 437;
	if(h == undefined) h = 246;
	var fW = String(w);
	var fH = String(h+31);
	
	flashvars.width = w;
	flashvars.height = h;
	
	swfobject.embedSWF("http://video.nationalgeographic.com/video/player/swf/ngplayer_satellite.swf", div, fW, fH, "9", false, flashvars, params, attributes, loadH5Video);
	
	function loadH5Video(e){
		var useragent = navigator.userAgent;
		var supported = false; 
		
		if(useragent.search('iPhone') >= 0 || useragent.search('iPad') >= 0) supported = true;
			else if(useragent.search('Safari')){
			var sPos = useragent.indexOf('Intel Mac OS X ')+15;
			var ePos = useragent.indexOf(';',sPos);
			var version = useragent.substring(sPos,ePos).split('_');
			
			if(parseInt(version[0]) >= 10 && parseInt(version[1]) >= 6) supported = true;
		}
		
		if(!e.success && supported){
			$('#'+div).html("<video style='background-color:#000;' src='http://h5media.nationalgeographic.com/video/player/media-mp4/"+slug+"/mp4/variant-playlist.m3u8' poster='http://video.nationalgeographic.com/video/player/media/"+slug+"/"+slug+"_480x360.jpg' controls width='"+w+"' height='"+h+"'></video>");
		}
		else {
			$('#'+div).html(noFlashStr);
		}
	}
}
// INTERACTIVE MAP FUNCTIONS
var VEMaps = [];
addMapToPage = function(mapObj){
	VEMaps.push(mapObj);
}

loadVEMaps = function(){
	for(var i=0;i<VEMaps.length;i++){
		renderVEMap(VEMaps[i]);
	}
}

renderVEMap = function(mapObj){
	var bingMap = null;
	bingMap = new VEMap(mapObj.div);
	bingMap.LoadMap(new VELatLong(mapObj.latitude,mapObj.longitude), mapObj.zoom, mapObj.viewType, mapObj.lockMap);
	if(mapObj.showMini)bingMap.ShowMiniMap(mapObj.miniXposition, 5);
	if(!mapObj.showTools)bingMap.HideDashboard();
}

//Carousel Callback

function fact_slides_initCallback(carousel) {
    var count = $('ul.fact_slides li').length;
    $('div.fact_slides .jcarousel-prev').after('<p class="count"><span class="current"></span> of '+count+'</p>');
};


function fact_slides_itemFirstInCallback(carousel, idx, item) {
   $('div.fact_slides span.current').html(item);

};

var taxonomy;
var hasTaxonomy = false;
function highlightNavItem(){
	var navClass;
	if(taxonomy.site == 'environment.nationalgeographic.com'){
		navClass = '#navigation_tophat_primary li.nav4 ul li:contains('+taxonomy.name+')';
	} else if(taxonomy.site == 'photography.nationalgeographic.com'){
		navClass = '#navigation_tophat_primary li.nav2 ul li:contains('+taxonomy.name+')';
	} else if(taxonomy.site == 'travel.nationalgeographic.com'){
		navClass = '#navigation_tophat_primary li.nav5 ul li:contains('+taxonomy.name+')';
	} else if(taxonomy.site == 'animals.nationalgeographic.com'){
		navClass = '#navigation_tophat_primary li.nav3 ul li:contains('+taxonomy.name+')';
	} else if(taxonomy.site == 'adventure.nationalgeographic.com'){
		navClass = '#navigation_tophat_primary li.nav6 ul li:contains('+taxonomy.name+')';
	} else if(taxonomy.site == 'ocean.nationalgeographic.com'){
		navClass = '#navigation_tophat_primary li.nav4 ul li:contains(The Ocean)';
	} else {
		return;
	}
	
	if($(navClass).length == 0)return;
	$(navClass).addClass('highlighted');
}


function hiLiteSubNavByTaxonomy(){
	$('#container div.general ul.nav li a').filter(function() {
	    var htmlTax = taxonomy.name.replace(/&/g,"&amp;");
	    var subnav = new RegExp('^ *'+taxonomy.name+' *$');
	    var subnavHtml = new RegExp('^ *'+htmlTax+' *$');
	    if(subnav.test($(this).html())){
			$(this).parents("li:first").addClass('selected');
		} else if(subnavHtml.test($(this).html())){
			$(this).parents("li:first").addClass('selected');	
		}
	});
}

var loadTimes = {}
timerCount = function(prop){
	var curTime = new Date().getTime();
	var elapsedTime = curTime - startTime;
	loadTimes[prop] = elapsedTime;
}

getLoadTimes = function(){
	for(var timeStamp in loadTimes){
		$('#test_comments').append('<p>'+timeStamp+' = '+loadTimes[timeStamp]+' ms</p>')
	}
}

// OPA Ad functionality object
/* see #1468 comments for more detail on usage */
ngsAdvertisingOPA = function(opts) {
	var o = this;
	o.opts = ((opts)?opts:{});
	o.setOption = function(opt,val) {
		if(typeof(o[opt])=="undefined") {
			o.defaults[opt]=val;
		}
		return o[opt]=val;
	}
	o.getOption = function(v) {
		return ((typeof(o[v])!="undefined")?o[v]:((typeof(o.opts[v])!="undefined")?o.opts[v]:o.defaults[v]));
	};
	o.defaults = {
		state: 'initializing',
		height: ((o.opts && o.opts.height)?o.opts.height:66),
		onCollapse: ((o.opts && o.opts.onCollapse)?o.opts.onCollapse:null),
		onCollapseComplete: ((o.opts && o.opts.onCollapseComplete)?o.opts.onCollapseComplete:null),
		collapseHeight: ((o.opts && o.opts.collapseHeight)?o.opts.collapseHeight:66),
		collapseDuration: ((o.opts && o.opts.collapseDuration)?o.opts.collapseDuration:750),
		onExpand: ((o.opts && o.opts.onExpand)?o.opts.onExpand:null),
		onExpandComplete: ((o.opts && o.opts.onExpandComplete)?o.opts.onExpandComplete:null),
		expandHeight: ((o.opts && o.opts.expandHeight)?o.opts.expandHeight:418),
		expandDuration: ((o.opts && o.opts.expandDuration)?o.opts.expandDuration:1250),
		container: ((o.opts && o.opts.container)?o.opts.container:(($('div.pushdown.advertisement').length>0)?$('div.pushdown.advertisement').get(0):null))
	};
	o.init = function(opts) {
		var opts = ((opts)?opts:o.defaults);
		for(var d in o.defaults) {
			o[d] = o.getOption(d);
		}
		for(var v in opts) {
			o[v] = o.getOption(v);
		}
		if(typeof(o.initCallback)!="undefined") {
			o.initCallback();
		}
		o.setOption('state','initialized');
		return o;
	};
	o.collapse = function(opts) {
		if(o.container) {
			o.setOption('state','collapsing');
			if(o.onCollapse) {
				o.onCollapse();
			}
			$(o.container).animate(
				{'height':o.collapseHeight},
				o.collapseDuration,
				function() {
					o.setOption('state','collapsed');
					if(o.onCollapseComplete) {
						o.onCollapseComplete();
					}
				}
			);
		}
	};
	o.expand = function(opts) {
		if(o.container) {
			o.setOption('state','expanding');
			if(o.onExpand) {
				o.onExpand();
			}
			$(o.container).animate(
				{'height':o.expandHeight},
				o.expandDuration,
				function() {
					o.setOption('state','expanded');
					if(o.onExpandComplete) {
						o.onExpandComplete();
					}
				}
			);
		}
	};
	o.spoof = function() {
		_adModExpand = function(adO) {
			o.expand();
			$(adO).unbind('mouseover');
			$(adO).bind('click',function(){_adModCollapse(adO);});
		};
		_adModCollapse = function(adO) {
			o.collapse();
			$(adO).unbind('click');
			$(adO).bind('mouseover',function(){_adModExpand(adO);});
		};
		$(o.container).css({
			"height":o.collapseHeight,
			"background":"transparent url(http://s.ngeo.com/wpf/media-live/photologue/photos/2010/02/04/cache/40731_990x742.jpg) no-repeat top center"
		});
		_adModExpand(o.container);
	};
	o.init();
}
collapseEmptyHeaderAds = function(opts){
	
	// get specific ad units in the header by id, inspect their value for the blank ad
	// note: pushdown is never refreshable, so will always be able to determine it's contents 
	// (not sure this is possible with iframe?)
	
	var blankAdFilename = "817-grey.gif";
	var clearAdFilename = "1x1_clear_pixel_placeholder.gif";
	
	var pushdownAd = document.getElementById("advertisingModule970x66");
	var leaderboardAd = document.getElementById("advertisingModule728x90");
	var secondaryAd = document.getElementById("advertisingModule257x90");
	var kidsSecondaryAd = ((document.getElementById("advertisingModule211x50") && document.getElementById("advertisingModule211x50").length > 1)?document.getElementById("advertisingModule211x50")[0]:((document.getElementById("advertisingModule211x50"))?document.getElementById("advertisingModule211x50"):null));
		
	var foundEmptyAd = 0;
	if (pushdownAd) {
		var html = pushdownAd.innerHTML;	
		if ((html.indexOf(blankAdFilename) != -1)||(html.indexOf(clearAdFilename) != -1)) {
			foundEmptyAd = 1;
		} else /* found real pushdown ad, instantiate an 'ngsAdvertisingOPA' object */ {
			opa_ad = new ngsAdvertisingOPA();
		}
	}
	if (kidsSecondaryAd && $(kidsSecondaryAd).find('iframe').length > 0 && $($(kidsSecondaryAd).find('iframe').get(0).contentWindow.document).find('img').length > 0) {
		var ad_img_src = $($(kidsSecondaryAd).find('iframe').get(0).contentWindow.document).find('img').attr('src');
		if ((ad_img_src.indexOf(blankAdFilename) != -1)||(ad_img_src.indexOf(clearAdFilename) != -1)) {   
			$(kidsSecondaryAd).remove();
			kidsSecondaryAd = null; 
		} 
	}
	
	// set the kidsSecondaryAd to 'secondaryAd' for the efficiency of the logic below
	secondaryAd = ((!secondaryAd && kidsSecondaryAd) ? kidsSecondaryAd : secondaryAd);
	
	// if pushdown is blank, show leaderboard and secondary/sponsor ad -- remove pushdown
	// otherwise show pushdown -- remove leaderboard and/or sponsor ad (e.g., remove both leaderboard and sponsor ad when present)
 	inactiveAdModuleDivs = ((foundEmptyAd)?[pushdownAd.parentNode]:((pushdownAd && leaderboardAd)?[leaderboardAd.parentNode,((pushdownAd && secondaryAd)?secondaryAd.parentNode:null)]:[((pushdownAd && secondaryAd)?secondaryAd.parentNode:null)]));
	for(var inI=0;inI<inactiveAdModuleDivs.length;inI++) {
		if(inactiveAdModuleDivs[inI]!=null) {
			inactiveAdModuleDivs[inI].parentNode.removeChild(inactiveAdModuleDivs[inI]);
		}
	}
	activeAdModuleDivs = ((foundEmptyAd || !pushdownAd)?[((leaderboardAd)?leaderboardAd.parentNode:null),((secondaryAd)?secondaryAd.parentNode:null)]:[((pushdownAd)?pushdownAd.parentNode:null)]);
	for(var inI=0;inI<activeAdModuleDivs.length;inI++) {
		if(activeAdModuleDivs[inI]!=null) {
			var aM = activeAdModuleDivs[inI];
			// expand the ad parent container element before showing the ad
			$(activeAdModuleDivs).each(function() { $(this).removeClass('hidden'); });
		}
	} /* if no ads are found, fallback and remove the 'hidden' status on existing ads (when found) */
	if(!pushdownAd && !leaderboardAd && !secondaryAd) {
		$('div.leaderboard').removeClass('hidden');
		$('div.secondary_ad').removeClass('hidden');
	}
	else {
		if(foundEmptyAd==0 && pushdownAd) {
			// spoof a pushdown when the 'spoof_opa' query string/GET param is present - NOTE: will remove a real pushdown ad if one exists
			if(window.location && window.location.search && /\bspoof_opa\b/.test(window.location.search)) {
				opa_001 = new ngsAdvertisingOPA();
				opa_001.spoof();
			}
		}
	}
}

var rssFeeds = [];
addRSSFeed = function(rssObj){
	rssFeeds.push(rssObj);
}

loadRssReaders = function(){
	if(typeof($.jGFeed)=="undefined"){
		$('div.rssReader').remove();
		return;
	}
	var totFeeds = rssFeeds.length;
	for(var i=0;i<totFeeds;i++){
		var itemCount = rssFeeds[i].count;
		var resultsDiv = rssFeeds[i].div;
		var rssURL = rssFeeds[i].feed;
		
		$.jGFeed(rssURL,
		function(feeds){
			if(!feeds){
				$('#'+resultsDiv).append("<p>ERROR LOADING RSS FEED</p>");
				return false;
			}
			$('#rss_loading').remove();
			var html = '<ul class="bullets">';
			for(var j=0; j<itemCount; j++){
				var item = feeds.entries[j];
				html += '<li><a href="'+item.link+'">'+item.title+'</a>'+'</li>';
			}
			html += '</ul>';
			$('#'+resultsDiv).append(html);
		}, itemCount);
	}
}

var factsBoxes = [];
addFactsBox = function(factObj){
	factsBoxes.push(factObj);
}

loadFactsBoxes = function(){
	var totBoxes = factsBoxes.length;
	
	for(var i=0;i<totBoxes;i++){
		factsBoxes[i].get_data();
	}
}

checkKidsSponsor = function(){
	var blankAdFilename = "817-grey.gif";
	var clearAdFilename = "1x1_clear_pixel_placeholder.gif";
	
	if($("#advertisingModule210x50").find("iframe").get(0) != undefined){
		
		var sponsor_img_src = $($("#advertisingModule210x50").find("iframe").get(0).contentWindow.document).find("img").attr('src');
		
		if ((sponsor_img_src != undefined&&( sponsor_img_src.indexOf(blankAdFilename) != -1)||(sponsor_img_src.indexOf(clearAdFilename) != -1) ) ) {   
			$("#sponsorAd").addClass('hidden');
		} else {
			$("#sponsorAd").removeClass('hidden');
		}
	} else {
		$("#sponsorAd").removeClass('hidden');
	}
	
}