<!--
function formCheck(offset)
{
  var a = document.forms[0].elements[offset].value;

  var filter = /^([a-zA-Z0-9_\.\-])+@(([a-zA-Z0-9\-])+\.)+([a-zA-Z])+$/;

  if ( a.length > 0 && filter.test(a) )
  {
    return true;
  }else{
    alert("Ugyldig Epost adresse!");
    return false;
  }
}
//-->