511 characters. See source code for a qualifier that may give a little away.

open(0,$0);$/=$;;<0>=~m{(ET / /).*(C[^\*]+)}s;$b=$1;($G=$g=$2)
=~s/.*(en).*/s$1d(t,/s;$_=join');',S($g),S($g),"$G\"G$b\n\n\",
0","\$/=<t>";substr($_,26,1,'"'.pack("cx2c5x8",2,80,209,85,3,
25).'"');sub S{split(//,shift);$_[3]=chr(ord($_[3])-($*?6:9));
$_[5]=chr(ord($_[5])-($*?11:-6));$_[7]='(t,';if(!$*++){$_[8]=
join(',',split(/5?/,(ord($_[10])+104)));$_[2]='c';$_[6]="";
$_[0]='s'}$#_=8;lc join('',@_);}$_=eval;s/.*\r\n//s;
s#(<[^>]+>)*(\w{0,2})#"$1<FONT COLOR=".(int rand 999999).">
$2</FONT>"#eg;print;#Content-type

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In reply to Obfuscindex.html by turnstep

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