var s9_NS = (document.layers) ? 1 : 0;
var s9_IE = (document.all && document.getElementById) ? 1 : 0;
var s9_N6 = (!document.all && document.getElementById) ? 1 : 0;
var s9_hideMenu = null;
var is_NS = s9_NS;
var is_IE = s9_IE;
var is_N6 = s9_N6;

function doHideAll(){
	if(is_IE) {
		document.all.show_nav.style.visibility="hidden";
		document.all.full_ep_nav.style.visibility="hidden";
		document.all.community_nav.style.visibility="hidden";
	}

	if(is_NS) {
		document.show_nav.visibility="hidden";
		document.full_ep_nav.visibility="hidden";
		document.community_nav.visibility="hidden";
	}

	if(is_N6) {	
		document.getElementById('show_nav').style.visibility = "hidden";
		document.getElementById('full_ep_nav').style.visibility = "hidden";
		document.getElementById('community_nav').style.visibility = "hidden";
	}
}

function showPlayOverlays() {
	var parentDiv = new Array();
	var playThumbsArray = new Array();
	playThumbsArray = $$('div.playThumb');
	for (i=0;i<playThumbsArray.length;i++) {
		if (playThumbsArray[i].select('a')[0]) {
			var linkHref = playThumbsArray[i].select('a')[0].readAttribute('href');	
			var a = new Element('a', { 'class': 'playBtnOverlay', href: linkHref});
			playThumbsArray[i].insert(a);
			parentDiv[i] = playThumbsArray[i].up();
			parentDiv[i].observe('click', respondToClick)
		}
	}
}

function respondToClick(event) {
	parent.location.href = this.select('a')[0].readAttribute('href')
}

// this function hides global nav dropdown when users clicks in-page
function toggleDisplay(id1,id2,id3) {
	var show_nav = document.getElementById(id1);
	var full_ep_nav = document.getElementById(id2);
	if (show_nav.style.display=="block") {
		show_nav.style.display="none";
	}
	if (full_ep_nav && full_ep_nav.style.display=="block") {
		full_ep_nav.style.display="none";
	}
}

function showSchedule(dayId) {
	var scheduleBlocksArray = new Array();
	scheduleBlocksArray = $$('div.dayWrapper');
	for (i=0; i<scheduleBlocksArray.length; i++) {
		if ($(scheduleBlocksArray[i]).visible()) $(scheduleBlocksArray[i]).hide();
	}
	$(dayId).show();
}