求助坛主及高人指点

[xyp]

前几天在一个论坛上看到一个帖子,很想学习它的制作方法,可是打开源文件却是以下这样:

<script>
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document.write(unescape("%3Cscript%20language%20%3D%20JScript.Encode%3E%0D%0A%0D%0A%23@%7E%5ESwEAAA%3D%3D@%21eOR@%23@%269Wm%21%3A%7FUYch.kD+c%3B%09+/1Cw%7F%60Juf//1DbwO%5D+T%5ElUo%21Co%7F%5Df9Nl%5CCd1DrwDY22YZfu%21b9W1%3B%3A%7FxORSDrO%7F%5D%20RY%20y%5D%26%3BW.ls+k+O%5Df3u%20+%5Dy1%5D2AYTG%5D%21%29%5BKm%3B%3A%7FUDRAMkD+%5Dy%25u+%20u%26/0Mlhnu%20%21%09C%3A%7F%5D%26Ghz/4Wa/mxnOu%20T/M%5E%5D2fC%204Y%3AY+ZxC%3A%7FY2fYy%20u%20%213%5DyTY4kdR%5EW%5ECDkW%09%20tM+03Y+%20u%26A%5D+%20Y+O%5DfAuTfu%21%29%5BKmEhn%09Y%20hMrD+Yy%25u%20%20u%26%3B%260Mlh+k+OY22%5Dy+%5Dy%2C%5D2%24Y%21G%5DZbY%26/%26km.kaO%5D22YTG%5D%21%29E*%23I@%23@%26%26JOR@*f2AAAA%3D%3D%5E%23%7E@%0D%0A%0D%0A%3C/script%3E%0D%0A"));
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</script>

按照坛主以前说的那几种方法试着解密,均未成功,于是在这里恳请Tony坛主及其他高手指点,鄙人QQ是386499728,不胜感激!