function validateEmail(email) {
	if (email == '') return false;
	var re = /^(([^<>()[\]\\.,;:\s@\"]+(\.[^<>()[\]\\.,;:\s@\"]+)*)|(\".+\"))@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\])|(([a-zA-Z\-0-9]+\.)+[a-zA-Z]{2,}))$/
	if (!email.match(re)) return (false);
	return (true);
}

function startInput(input) {
	if (input.value == '0')
		input.value = '';
}

function windowOpen(url, name, w, h) {
	var popUp = window.open(url, name, 'menubar=0,resizable=1,width=' + w + ',height=' + h);
}