// JavaScript Document
// JavaScript Document
// for checking valid email;
var chk_email = /^[a-zA-Z0-9._-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,4}$/; 

// validate numeric
var numeric  =  /(^-?\d\d*\.\d*$)|(^-?\d\d*$)|(^-?\.\d\d*$)/;

// validate date
var date = /^\d{1,2}(\-|\/|\.)\d{1,2}\1\d{4}$/;

// validate integer
var integer  = /(^-?\d\d*$)/;
/**************************************************************************/