function validation(form) {
      
      
if(form.first_name.value == '') {

alert('Please enter your first name');
form.first_name.focus();
return false;
}


if(form.last_name.value == '') {

alert('Please enter your last name');
form.last_name.focus();
return false;
}

if(form.title.value == '') {

alert('Please enter your title');
form.title.focus();
return false;
}

if(form.email.value == '') {

alert('Please enter your email address');
form.email.focus();
return false;
}

if(form.phone.value == '') {

alert('Please enter your phone number');
form.phone.focus();
return false;
}

if(form.company.value == '') {

alert('Please enter your company');
form.company.focus();
return false;
}

if(form.employees.value == '') {

alert('Please enter number of employees');
form.employees.focus();
return false;
}

return true;
}