function validate_newcustomer(thisform)
{
var emailFilter=/^.+@.+\..{3,5}$/;
if (!(emailFilter.test(document.newcustomer.email.value))) { 
alert('Please enter a valid email address');
return false;
}
if (document.newcustomer.fname.value==''){
alert('First name required');
return false;
}
if (document.newcustomer.lname.value==''){
alert('Last name required');
return false;
}
if (document.newcustomer.address.value==''){
alert('Address is required');
return false;
}
if (document.newcustomer.Town.value==''){
alert('Town is required');
return false;
}
if (document.newcustomer.County.value==''){
alert('County is required');
return false;
}
if (document.newcustomer.postcode.value==''){
alert('Post Code is required');
return false;
}
if (document.newcustomer.email.value==''){
alert('email is required');
return false;
}
if (document.newcustomer.phone.value==''){
alert('Phone number is required');
return false;
}
}


function validate_existingcustomer(thisform){

var emailFilter=/^.+@.+\..{3,5}$/;
if (!(emailFilter.test(document.existingcustomer.email.value))) { 
alert('Please enter a valid email address');
return false;
}

if (document.existingcustomer.email.value==''){
alert('email is required');
return false;
}

if (document.existingcustomer.password.value==''){
alert('password is required');
return false;
}


}