function doLogin()
{
  var serviceid = '' + document.getElementById('ServiceID').value;
  var userid = '' + document.getElementById('UserID').value;
  var pwd = '' + document.getElementById('Password').value;
  var checksum = parseFloat(serviceid) + parseFloat(userid) + parseFloat(pwd) + 7;
  var url = 'http://web1.db-admin.com/web/Login.aspx?DIRECT=Q' + serviceid + userid + pwd + '.' + checksum;
 
  var w = window.open(url);
}