client-side validation

//----------------------Test GUID------------------//

requirment

Add Patient Form & Edit Patient Form
1.first name, last name: required && use letter from a-z && at least 2
character.
2.DOB: date format. (MM/DD/YYYY) each of them is filled.
3.Gender: required
4.Race: required

Add Visit Form
1.Chef Complaint: required && at leat 10 characters
2.Check box (multiple) : required.
3.Weight: number && bigger than zero
4.Height: number && bigger than zero
5.A1C: float number && range[3,20]
6.Blood Pressure:float number && range[30,250]