Why try to obfuscate programs in base64-encoded strings when you have it invisibly lying around in plain light.
alert(String.fromCharCode.apply(null,String.fromCharCode.apply(null,"".split("").map(function(c){return(c.charCodeAt(0)>>2)^2098})).match(/.{8}/g).map(function(c){return parseInt(c,2)})))
Why try to obfuscate programs in base64-encoded strings when you have it invisibly lying around in plain light.