The code of forum when you login and View->source will see
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var SESSIONURL = "";
var SECURITYTOKEN = "1313424710-156a9f6e04db9e09b6d1f28fd681b749c14042f1";
var IMGDIR_MISC = "http://sitepointstatic.com/forums/images/misc";
var vb_disable_ajax = parseInt("0", 10);
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How taken The value "1313424710-156a9f6e04db9e09b6d1f28fd681b749c14042f1" ???