function show_yobox() {
	new Effect.Appear('MESSAGE_BOX'); 
	$('YOYO_BOX').hide();
}

function hide_yobox() {
	new Effect.Appear('YOYO_BOX'); 
	$('MESSAGE_BOX').hide();
}

function makeSessionId() {
	var chars = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXTZabcdefghiklmnopqrstuvwxyz'; 
	var sid_length = 5;
	var sid = '';
	for (var i=0; i<sid_length; i++) {
		var rnum = Math.floor(Math.random() * chars.length);
		sid += chars.substring(rnum,rnum+1);
	}
	return sid;
}

function submitcheckout(treq, price, tgid, evtid) {
	var select = $(treq);
	var session = makeSessionId();
	var count = select.options[select.selectedIndex].value;
	var checkout_link = "https://tickettransaction2.com/Checkout.aspx?brokerid=3123&sitenumber=0&tgid=" + tgid + "&evtid=" + evtid + "&price=" + price + "&treq=" + count + "&SessionId=" + session;
	pageTracker._link(checkout_link);
	window.location = checkout_link;
}