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

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


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

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

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

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

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

alert('Please enter a phone number we can use to get in touch with you');
form.phone.focus();
return false;
}

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

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

if(form.description && form.description.value == '') {

alert('Please enter a message to send');
form.description.focus();
return false;
}


return true;
}