function chkMaskLOGIN(field,event){var keyCode=(_dom==1||_dom==2?window.event.keyCode:event.which);var key=String.fromCharCode(keyCode);var isKey=(String('1234567890qwertyuiopasdfghjklzxcvbnm.-_QWERTYUIOPASDFGHJKLZXCVBNM').indexOf(key)!=-1);var isAction=(String('0,8,13').indexOf(keyCode)!=-1||event.ctrlKey);return(isKey||isAction);}function chkLOGIN(field){var loginRegExp=/^\w+((-\w+)|(\.\w+))*$/;return loginRegExp.test(field.value);}