function isValidEmail(str) {
   return (str.indexOf(".") > 2) && (str.indexOf("@") > 0);
}
var emailriddlerarray=[105,110,102,111,64,109,115,45,102,114,117,105,116,46,98,101]
var encryptedemail_id21='' //variable to contain encrypted email 
for (var i=0; i<emailriddlerarray.length; i++) encryptedemail_id21+=String.fromCharCode(emailriddlerarray[i])