From the install script, the new template is named "newreply_ratethread". Yet in newreply.php you call it "newreply_threadrating". Shouldn't you be calling the new template "newreply_ratethread"??
Now:
PHP Code:
eval("\$threadratingoption = \"".gettemplate("newreply_threadrating")."\";");
Should be:
PHP Code:
eval("\$threadratingoption = \"".gettemplate("newreply_ratethread")."\";");