$(document).ready(function() {
   $('a[href^="/yaf/forum.aspx?g=login"]').attr("href", "/login.aspx?ReturnUrl=/yaf/forum.aspx");
   $('a[href^="/yaf/forum.aspx?g=logout"]').attr("href", "/Logout.aspx");
   $('.yafnet .postdiv a').attr("target", "_blank");
});