can you help me ?
how this code is decode ?
what about this code effect?

<SCRIPT LANGUAGE="JavaScript">
<!--
Code0 = "%3CSCRIPT%20LANGUAGE%3D%22JavaScript%22%3E%0D%0A%3C%21--%0D%0ACode0%20%3D%20%22%253CSCRIPT%2520LANGUAGE%253D%2522JavaScript%2522%253E%250D%250A%253C%2521--%250D%250ACode0%2520%253D%2520%2522%25253Chtml%25253E%25250D%25250A%25253Chead%25253E%25250D%25250A%25253Ctitle%25253ECyber-Warrior.Org%25253C/title%25253E%25253C/head%25253E%25250D%25250A%25253Cb%25253E%2525u015Eifre%252520%25253D%2525205ta2552945255%25253C/b%25253E%25250D%25250A%25253C/html%25253E%25250D%25250A%2522%253B%250D%250Adocument.write%2528unescape%2528Code0%2529%2529%253B%250D%250A//--%253E%250D%250A%253C/SCRIPT%253E%22%3B%0D%0Adocument.write%28unescape%28Code0%29%29%3B%0D%0A//--%3E%0D%0A%3C/SCRIPT%3E";
document.write(unescape(Code0));
//-->
</SCRIPT>

Thanks...