String.prototype.trim = function() {
    a = this.replace(/^\s+/, '');
    return a.replace(/\s+$/, '');
};

var emailReg = /^([a-zA-Z0-9_\-\.]+)@([a-zA-Z0-9_\-\.]+)\.([a-zA-Z]{2,5})$/;
var addressReg = /^[a-zA-Z\d]+(([\'\,\.\- #][a-zA-Z\d ])?[a-zA-Z\d]*[\.]*)*$/;
var zipReg = /(^\d{5}$)|(^\d{5}-\d{4}$)/;
var phoneReg = /^[(]{1}\d{3}[)]{1}( |-|.)?\d{3}( |-|.)?\d{4}$|^\d{3}( |-)?\d{3}( |-)?\d{4}$/;
var dobReg = /^([0]?[1-9]|[1][0-2])[./-]([0]?[1-9]|[1|2][0-9]|[3][0|1])[./-]([0-9]{4}|[0-9]{2})$/;
var custTextReg = /^[a-zA-Z]{2,35}$/; 
var cityReg = /^([a-zA-Z]+|[a-zA-Z]+\s[a-zA-Z]+)$/;
var stateReg=/^(?:A[KLRZ]|C[AOT]|D[CE]|FL|GA|HI|I[ADLN]|K[SY]|LA|M[ADEINOST]|N[CDEHJMVY]|O[HKR]|PA|RI|S[CD]|T[NX]|UT|V[AT]|W[AIVY])*$/;
var phone3=/^\d{3}$/; 
var phone4=/^\d{4}$/; 
var dobMonth=/^0[1-9]|1[012]$/;
var dobDay=/^0[1-9]|[12][0-9]|3[01]$/; 
var dobYear=/^(19|20)\d\d$/; 
var ageReg=/^([1-9]|[8-9]\d|100)$/;