function check_login_submit(form) {
	if(form.Username.value != '' && form.Password.value != '') {
		return true;
	} else {
		alert("Please enter a valid Username and Password to login.");
		return false;
	}
}

function popupWindow(url, title) {
	window.open(url, title, "menubar=1,resizable=1,scrollbars=1,width=790,height=500");
}