function checkForm()
{
var emailCheck=/^\w{3,}\@\w{3,}\.\w{3,}$/;
if (!frm.company.value) {alert('Please complete this field:\nCompany');  return;}
if (!frm.person.value)  {alert('Please complete this field:\nContact Person');  return;}
if (!frm.email.value)  {alert('Please complete this field:\nEmail');  return;}
if (!emailCheck.test(frm.email.value))  {alert('Please choose a valid Email');  return;}
if (!frm.tel.value)  {alert('Please complete this field:\nTel');  return;}
if (!frm.fax.value)  {alert('Please complete this field:\nFax');  return;}
alert('Your message is sent\nThanks for your comments');
frm.submit();
}