function popup(url) {
  var options = "width=" + 450 + ",height=" + 350 + ",";
  options += "resizable=no,scrollbars=yes,status=no,";
  options += "menubar=no,toolbar=no,location=no,directories=no";
  var newWin = window.open(url,'', options);
  newWin.focus();
}
function c(o, c) { 
	o.style.backgroundColor=c
}