Topic: can i append a perticuler cookies from multiple cookies

hi dear,
i am try to store multiple cookies. just like this



[code=Javacript]

document.cookie = "cookies1=" + a;
document.cookie = "cookies2=" + b;
[/code]   



but now i want append a particular cookies let say "cookies1" how can i do this
i need ur favor,plz.

thanx