// popup
var newWindow = null;

function closeWin(){
	if (newWindow != null){
		if(!newWindow.closed)
			newWindow.close();
	}
}

function popwin(url,width,height){
	closeWin();
	var tools = "resizable,width="+width+",height="+height;
	newWindow = window.open(url, 'newWin', tools);
	if (newWindow) newWindow.focus();
}

function clearupdateform() {
	document.getElementById('atitle').selectedIndex = 0;
	document.getElementById('afirst').value = "";
	document.getElementById('alast').value = "";
	document.getElementById('add').value = "";
	document.getElementById('em').value = "";
	document.getElementById('bem').checked = 0;
	document.getElementById('bpst').checked = 0;
	document.getElementById('com').checked = 0;
	document.getElementById('sprt').checked = 0;
	document.getElementById('fod').checked = 0;
	document.getElementById('rest').checked = 0;
	document.getElementById('fash').checked = 0;
	document.getElementById('con').checked = 0;
	document.getElementById('mot').checked = 0;
	document.getElementById('fam').checked = 0;
	document.getElementById('cel').checked = 0;
	document.getElementById('par').checked = 0;
	document.getElementById('chr').checked = 0;
	document.getElementById('oth').value = "";
	}

function checkupdates(){
	title = document.getElementById('atitle').selectedIndex;
	first = document.getElementById('afirst').value;
	last = document.getElementById('alast').value;
	address = document.getElementById('add').value;
	email = document.getElementById('em').value;
	byemail = document.getElementById('bem').checked;
	bypost = document.getElementById('bpst').checked;
	comedy = document.getElementById('com').checked;
	sport = document.getElementById('sprt').checked;
	food = document.getElementById('fod').checked;
	restaurant = document.getElementById('rest').checked;
	fashion = document.getElementById('fash').checked;
	conference = document.getElementById('con').checked;
	motorsport = document.getElementById('mot').checked;
	family = document.getElementById('fam').checked;
	celebrity = document.getElementById('cel').checked;
	party = document.getElementById('par').checked;
	christmas = document.getElementById('chr').checked;
	other = document.getElementById('oth').value;
	err = "";
	if(title==0) err = "You must specify a title\n\n";
	if(!first) err += "You must specify a first name\n\n";
	if(!last) err += "You must specify a last name\n\n";
	if(!email) err += "You must specify an email address\n\n";
	if(!byemail && !bypost) err += "You must specify how you wish to receive your updates\n\n";
	if(!comedy && !restaurant && !fashion && !conference && !motorsport && !family && !celebrity && !party && !christmas && !other) err += "You must specify an area you wish to receive information about\n\n";
	if(err){
		alert(err);
		return false;
		}
	else{
		return true;
		}
	}