function view_tshirt() {
	tshirtbox = document.getElementById('tshirtview');
	//tshirtbox.style.top = posy + 'px';
	//tshirtbox.style.left = posx + 'px';
	tshirtbox.style.display = "block";
}

function close_tshirtview() {
	var tshirtbox = document.getElementById('tshirtview');
	tshirtbox.style.display = "none";
}

function lookup() {
	lookupform = document.getElementById('lookup');
	lookupform.style.display = "block";
}

function showcost() {
		var tshirtopt = document.forms[2].tshirt;
		var thursopt = document.forms[2].thurs;
		var friopt = document.forms[2].friday;
		var satopt = document.forms[2].saturday
		var currentdate = new Date();
		var earlydate = new Date("January 1, 2007 00:00:00");
		var regdate = new Date("January 25, 2007 00:00:00");
		var totalcost = 0;
		var costarea = document.getElementById("cost");
		if (tshirtopt.value != "noshirt") {
			totalcost += 10;
		}
		if (thursopt.checked & !(friopt.checked & satopt.checked)) {
			totalcost += 20;
		}
		if (friopt.checked & !(thursopt.checked & satopt.checked)) {
			totalcost += 20;
		}
		if (satopt.checked & !(friopt.checked & thursopt.checked)) {
			totalcost += 20;
		}
		if (satopt.checked & friopt.checked & thursopt.checked)  {
			totalcost += 50;
		}
		if (currentdate.getTime() < earlydate.getTime()) {
			totalcost += 40;
		}
		else if (currentdate.getTime() < regdate.getTime()) {
			totalcost += 50;
		}
		else {
			totalcost += 60;
		}
		costarea.innerHTML = "Current Total Cost: $" + totalcost;
}

function costreset() {
	var totalcost = 0;
	var currentdate = new Date();
	var earlydate = new Date("January 1, 2007 00:00:00");
	var regdate = new Date("January 25, 2007 00:00:00");
	var costarea = document.getElementById("cost");
	if (currentdate.getTime() < earlydate.getTime()) {
		totalcost += 40;
	}
	else if (currentdate.getTime() < regdate.getTime()) {
		totalcost += 50;
	}
	else {
		totalcost += 60;
	}
	costarea.innerHTML = "Current Total Cost: $" + totalcost;
}

function clearnfo() {
	document.location = "http://www.itasa.org/2007/east/registration.php";	
}


function autoTab(id, len, prev, next) {
	var formfield = document.getElementById(id);
	var nextfield;
	var prevfield;
	if (formfield.value.length != 0 && next != '') {
		nextfield = document.getElementById(next);
		if (formfield.value.length == len) {
			nextfield.focus();
		}
	}
	else if (prev != '' && formfield.value.length == 0) {
		prevfield = document.getElementById(prev);
		prevfield.setAttribute('autocomplete', 'off');
		prevfield.focus();
	}
}

function SubmitForm() {
	xajax.$('rsubmit').disabled=true;
	xajax.$('rsubmit').value="please wait...";
	xajax_submitform(xajax.getFormValues("register"));	
}

function updateForm(id) {
	xajax.$('rsubmit').disabled=true;
	xajax.$('rsubmit').value="please wait...";
	xajax_updateform(xajax.getFormValues("register"), id);	
}


function pageLoad() {
	document.getElementById("areacode").setAttribute('autocomplete', 'off');
	document.getElementById("exchange").setAttribute('autocomplete', 'off');
	document.getElementById("local").setAttribute('autocomplete', 'off');
	showcost();
}

function resend() {
	xajax.$('tsubmit').disabled=true;
	xajax.$('tsubmit').value="please wait...";
	xajax_resend(xajax.getFormValues("resend"));
}