var curtab = -1;
var _gcurtab = -1;
var navon = false;
var navov = false;
var navextov = false;
var ival = new Number();
var ison = false;
var cat_has = new Array();
var _isipad = false;
var _isiphone = false;
var newsletter_enable = true;
var newsletter_up = false;
var _localgaq = [];
var newsletter_items = new Array('Find out what\'s happening first. Connect with FRONTLINE for exclusive news, updates, and information.','Connect with FRONTLINE. Join our email list for exclusive insider access, film previews, and program reminders.');
var newsletter_choice = new String();

function spawn (targ,x,y) {
	window.open(targ,'secondary','width=' + x + ',height=' + y + ',scrollbars=yes');
}

function stopclicking(button) {
	button.value = "please wait";
	return true;
}
				  
function preload() { if (document.images) { if (typeof(document.F) == 'undefined'){ document.F = new Object(); } document.F.loadedImages = new Array(); var argLength = preload.arguments.length; for(arg=0;arg<argLength;arg++) { document.F.loadedImages[arg] = new Image(); document.F.loadedImages[arg].src = preload.arguments[arg]; } } }
function imageswap(daImage, daSrc){ var objStr,obj; if(document.images){ if (typeof(daImage) == 'string') { objStr = 'document.' + daImage; obj = eval(objStr); obj.src = daSrc; } else if ((typeof(daImage) == 'object') && daImage && daImage.src) { daImage.src = daSrc; } } }

function videobox(urlprefix,url){
	window.open("http://www.pbs.org/wgbh/pages/frontline/"+urlprefix+url+".html","video","toolbar=no,location=no,directories=no,menubar=no,width=680,height=700,scrollbars=yes");
}

function setcookie(name,value) {
 	var today = new Date();
	 var expire = new Date();
	 var nDays = 180;
 	 expire.setTime(today.getTime() + 3600000*24*nDays);
	 document.cookie = name+"="+escape(value) + ";path=/wgbh/pages/frontline/;expires="+expire.toGMTString();
}

function searchsubmit(){
	document.topnavform.q.value = document.searchform.q.value + '+:site:www.pbs.org/wgbh/pages/frontline';
	document.topnavform.submit();
}

function handleclick (targ) {
	opener.location.href = targ;
	window.close(self);	
}

function subtitle(targetdiv,target){
	if(document.getElementById(targetdiv)){
		document.getElementById(targetdiv).innerHTML = target;
	}
}

var issafari=false;
if(navigator.userAgent.indexOf("Safari")!=-1)
{
issafari=true
}
function toggle(target,onoff){
	if(document.getElementById(target)){
		if(currentdiv != undefined){
			changeclass(currentdiv + 'o','wrapper');	
			document.getElementById(currentdiv).style.display = 'none';
		}

		if(onoff == 1){	
			document.getElementById(target).style.display = 'inline';
			changeclass(target + 'o','wrapper_on');	
		} else {
			document.getElementById(target).style.display = 'none';
			changeclass(target + 'o','wrapper');	
		}
	
		currentdiv = target;
	}
}

function global_toggle (targetdiv){
	if(!topon[targetdiv]){
		topon[targetdiv] = true;
		$('#'+targetdiv).css({display: 'block'});
		$('#'+targetdiv).hide();
		$('#'+targetdiv).fadeIn('fast');
		document.getElementById(targetdiv+'_but').className = 'sel';
		toggleInterval = setInterval(function () { global_toggle(targetdiv,false) }, 60000);
	} else {
		topon[targetdiv] = false;
		clearInterval(toggleInterval);
		document.getElementById(targetdiv+'_but').className = '';
		$('#'+targetdiv).fadeOut('fast', function () { $('#'+targetdiv).css({display: 'none'}) });
	}
}



function legacyvideoplayer(stayopen,clipid,baseurl,pkgcode,cachetitle,nocache) {
	var h = {};
	h.pap_url = location.href;
	h.clipid = clipid;
	h.brandcode = 'frol';
	h.pkgcode = pkgcode;
	h.cachetitle = cachetitle;
	h.mainurl = baseurl;
	h.pap_usecache = (nocache)? false:true;

	if(issafari){
		h.pap_safari = 1;
	}
	var myheight = 30;
	if(stayopen){
		h.loadnow = true;
		myheight = 430;
	} else {
		h.compressedmode = true
		h.compressed = true
	}
	swfobject.embedSWF('http://www.pbs.org/wgbh/pages/frontline/includes/swf/combined_2012.swf','videospace','100%',myheight,'9',null, h,{ wmode:"opaque",allowFullScreen:"true",allowScriptAccess:"always" },{ id:'bigplaya_id', name:'bigplaya_nm' });
}

function videoplayer_open (full) {
	var a;
if(navigator.appName.indexOf("Microsoft")!=-1)
{
a=window['bigplaya_id']
}
else
{
a=document['bigplaya_id']
}
var newheight = (full)? '430px':'90px';
if(full){
	newheight = '430px';
}

a.style.height= newheight;
}

function videoplayer_close (full) {
	var a;
if(navigator.appName.indexOf("Microsoft")!=-1)
{
a=window['bigplaya_id']
}
else
{
a=document['bigplaya_id']
}

a.style.height='30px';

}


$(document).ready(function () {
	if(navigator.userAgent){
		if(navigator.userAgent.indexOf('iPad') != -1){
			_isipad = true;
		}
		if(navigator.userAgent.indexOf('iPhone') != -1){
			_isiphone = true;
		}		
	}


	try {
		_localgaq = _gaq || [];
		_localgaq.push(['_setAccount', 'UA-3988874-2']);
	} catch (e){}



	if(newsletter_enable || !_isiphone){
		if(!(cookie_get('frontline_newsletter') == 1)){
			setTimeout("newsletter_decider()",2000);
		}
	}


	$("#_gnav").find("a").each(function () {
		$(this).mouseenter(function () {
			$(".non").removeClass('non');
			$(this).addClass('non');
			nav_tab($(this).attr('tab'));
			if(!navon){
				nav_in_decide();
				ison = true;
			}
		});
	});
	$("#_gnav").mouseenter(function () {
		navov = true;
	});
	$("#_gnav").mouseleave(function () {
		navov = false;
		ison = false;
		nav_out_decide();
	});

});

function nav_in () {
	if(navov){
		navon = true;
		$("#_gnext").stop();
		$("#_gnext").css({ 'opacity':1 });
		$("#_gnext").fadeIn();
		$("#_gnext").mouseenter(function () {
			navextov = true;
		});
		$("#t"+_gcurtab).removeClass('non').addClass('non');
		$("#_gnext").mouseleave(function () {
			navextov = false;
			nav_out_decide();
		});
		$("#extscl").click(function () {
			navov = false;
			navextov = false;
			nav_out();
		});
	}
}

function nav_in_decide () {
	oval = setTimeout("nav_in()",400);
}

function nav_tab (idx){
	_gcurtab = idx;
	$(".tab").hide();
	$("#_gtab"+idx).show();
}

function nav_out_decide () {
	ival = setTimeout("nav_out()",400);
}
		
function nav_out () {
	if(!navov && !navextov){
		$("#extscl").unbind('click');
		$("#_gnext").unbind('mouseenter');
		$("#_gnext").unbind('mouseleave');
		$("#_gnext").stop();
		$("#_gnext").fadeOut();
		$(".non").removeClass('non');
		navon = false;
	}
}

function newsletter_resp(){
	var go = true;
	
	$("#frontline_newsletter_sub_send").attr("disabled","disabled");
	if($("#frontline_newsletter_sub_e").val() == ""){
		alert("Please check your email address");
		go = false;
	}
	if(go){
		cookie_set('frontline_newsletter',1,999);
		 _localgaq.push(['_trackEvent', 'Newsletter lightbox', 'Subscribed', newsletter_choice]); 
		$("#frontline_newsletter_sub_send").attr("disabled","disabled");
		$("#frontline_newsletter_sub_send").animate({ 'opacity' : .6 });
		$.ajax({
		  type: 'POST',
		  url: '/wgbh/pages/frontline/support/eloquabridge.php',
		  data: 'e='+$("#frontline_newsletter_sub_e").val(),
		  success: function () {
		  	$("#frontline_newsletter_sub_bar").html('Thank you for subscribing');
			setTimeout("newsletter_closer()",3000);
		  },
		  error: function (obj, txt){
		  	console.log(txt);
		  }
		});
	} else {
		 _localgaq.push(['_trackEvent', 'Newsletter lightbox', 'Botched Subscribe', newsletter_choice]); 
	}

	return false;

}

function newsletter_decider () {
	var go = true;
	
	var x = Math.random() * 40;
	newsletter_choice = (x > 19)? newsletter_items[0]:newsletter_items[1];
	
	var finalstr = '<div id="frontline_newsletter_please" style="display: none; height: ' + $(document).height() + 'px; width: ' + $(window).width() + 'px; z-index: 10243; background-color: #000000; position: absolute; top: 0; left: 0;"></div>';
	finalstr += '<div id="frontline_newsletter_over" style="display: none; width: 500px; height: 250px; font-family: Cabin, Sans-serif; background-color: #ffffff; box-shadow: 0 0 30px #000000; z-index: 10244; text-align: left; margin: 250px 0 0 ' + (($(window).width() / 2) - 250) + 'px; position: fixed; top: 0; left: 0;"><span id="frontline_newsletter_closer" style="font-size: 18px; font-family: Cabin, Sans-serif; background-color: #2759bf; color: #ffffff; width: 18px; text-align: center; line-height: 18px; box-shadow: 0 0 15px #000000; padding: 6px; height: 18px; border-radius: 14px; margin: -14px 10px 5px -14px; display: block; cursor: pointer;">X</span><img src="/wgbh/pages/frontline/art/2011/newsletterplease.gif" width="195" height="51" alt="FRONTLINE" style="width: 195px; height: 51px; margin: 0 9px 9px 20px;" /><p style="color: #333333; font-size: 16px; padding: 0 9px 9px 20px; line-height: 17px; margin: 0 0 0 0; font-family: Cabin, Sans-serif">' + newsletter_choice + '</p>';
	finalstr += '<div id="frontline_newsletter_sub_bar" style="margin: 8px 0 8px 0; padding: 8px 20px 8px 20px; background-color: #cccccc;"><form style="padding: 0; border: 0; margin: 0" onsubmit="return newsletter_resp()"><input type="text" style="padding: 3px; margin: 0; background-color: #ffeeee; color: #ff0000; font-size: 15px; border: 1px solid #bbbbbb; width: 380px;" id="frontline_newsletter_sub_e" value="Enter your email address" onfocus="if(this.value == \'Enter your email address\'){this.value=\'\';}" /><input type="submit" style="display: block; clear: left; margin: 7px 0 0 0; font-size: 16px;" value="Sign up" id="frontline_newsletter_sub_send" /></form>';
	finalstr += '</div>';
	finalstr += '<span id="frontline_newsletter_closer_small" style="float: right; width: 130px; text-align: right; cursor: pointer; padding: 5px 20px 0 20px; margin: 0; font-size: 13px; color: #2759bf; text-decoration: underline;">I\'m already on the list</span><span id="frontline_newsletter_closer_small_thanks" style="text-align: right; float: right; width: 90px; cursor: pointer; padding: 5px 20px 0 20px; margin: 0; font-size: 13px; color: #ff0000; text-decoration: underline;">No thanks</p>';
	
	if(($("#pbs-main-overlay").length != 0 && $("#pbs-main-overlay").css('display') == 'block') || $(".fsrmodal:first").length != 0){
		// there is another lightbox element, stand down
		go = false;
	}
	if(cookie_get('frontline_newsletter') == 1){
		go = false;
	}
	if(go){
		_localgaq.push(['_trackEvent', 'Newsletter lightbox', 'Started', newsletter_choice]);
		newsletter_up = true;
		$('body').append(finalstr);
		$("#frontline_newsletter_please").fadeTo(500,.7);
		$("#frontline_newsletter_over").fadeIn();
		$("#frontline_newsletter_sub_send").attr("disabled","disabled");
		$("#frontline_newsletter_sub_e").bind('focus',function () {
			$("#frontline_newsletter_sub_send").removeAttr("disabled");
		});
		$("#frontline_newsletter_closer").click(function () { _localgaq.push(['_trackEvent', 'Newsletter lightbox', 'Closed', newsletter_choice]); newsletter_closer() });
		$("#frontline_newsletter_closer_small").click(function () { _localgaq.push(['_trackEvent', 'Newsletter lightbox', 'Closed (already subscribed)', newsletter_choice]); newsletter_closer(true) });
		$("#frontline_newsletter_closer_small_thanks").click(function () { _localgaq.push(['_trackEvent', 'Newsletter lightbox', 'Closed (no thanks)', newsletter_choice]); newsletter_closer() });
		$("#frontline_newsletter_closer").mouseover(function () {$("#frontline_newsletter_closer").css({ 'background-color':'#555577' }); });
		$("#frontline_newsletter_closer").mouseout(function () {$("#frontline_newsletter_closer").css({ 'background-color':'#2759bf' }); });
		$("#frontline_newsletter_closer_small").mouseover(function () {$("#frontline_newsletter_closer_small").css({ 'color':'#555577' }); });
		$("#frontline_newsletter_closer_small").mouseout(function () {$("#frontline_newsletter_closer_small").css({ 'color':'#2759bf' }); });
		$("#frontline_newsletter_closer_small_thanks").mouseover(function () {$("#frontline_newsletter_closer_small_thanks").css({ 'color':'#555577' }); });
		$("#frontline_newsletter_closer_small_thanks").mouseout(function () {$("#frontline_newsletter_closer_small_thanks").css({ 'color':'#ff0000' }); });
		$("#frontline_newsletter_please").click(function () { newsletter_closer() });
		cookie_set('frontline_newsletter',1,7);
	}
}

function newsletter_closer (alreadyhas) {
	if(newsletter_up){
		if(alreadyhas){
			cookie_set('frontline_newsletter',1,999);
		}
		newsletter_up = false;
		$("#frontline_newsletter_please").fadeOut(400, function () { $(this).remove() })
		$("#frontline_newsletter_over").fadeOut(400, function () { $(this).remove() })
	}
}


function cookie_get (c_name) {
var i,x,y,aarc=document.cookie.split(";");
for (i=0;i<aarc.length;i++)
{
  x=aarc[i].substr(0,aarc[i].indexOf("="));
  y=aarc[i].substr(aarc[i].indexOf("=")+1);
  x=x.replace(/^\s+|\s+$/g,"");
  if (x==c_name)
    {
    return unescape(y);
    }
  }
}

function cookie_set (c_name,value,exdays) {
var exdate=new Date();
exdate.setDate(exdate.getDate() + exdays);
var c_value=escape(value) + ((exdays==null) ? "" : "; path=/; expires="+exdate.toUTCString());
document.cookie=c_name + "=" + c_value;
}