function createCookie(name,value,days) {
	if (days) {
		var date = new Date();
		date.setTime(date.getTime()+(days*24*60*60*1000));
		var expires = "; expires="+date.toGMTString();
	}
	else var expires = "";
	document.cookie = name+"="+value+expires+"; path=/";
}

function readCookie(name) {
	var nameEQ = name + "=";
	var ca = document.cookie.split(';');
	for(var i=0;i < ca.length;i++) {
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
	}
	return null;
}

function eraseCookie(name) {
	createCookie(name,"",-1);
}

function vidIndex() {
	var idx = readCookie('vidx');
	if (idx == null) {
		idx = '2';	// Default to BSL + S
		createCookie('vidx', idx, 7);
	}
	return idx;
}

function vidChange(fromIdx, toIdx) {
	if (fromIdx != null) {	// Un-highlight currently selected
		document.getElementById('v'+fromIdx).className = '';
	}
	
	// Overwrite cookie + highlight
	createCookie('vidx', toIdx, 7);
	document.getElementById('v'+toIdx).className = 'active';
}

function thisMovie(movieName) {
	if(navigator.appName.indexOf("Microsoft") != -1) {
		return window[movieName];
	} else {
		return document[movieName];
	}
}

function vidPlay(name) {
	var m = thisMovie(name);
	if (m && m.sendEvent)
		m.sendEvent('play');
}

function vidStop(name) {
	var m = thisMovie(name);
	if (m && m.sendEvent)
		m.sendEvent('stop');
}