.htaccessもPHPもつかえなくてしゃーなしで
<script language="javascript"> strURL = location.href; if ( strURL.indexOf( "http://" ) == -1 ) { strURL = strURL.replace( "https://", "http://" ); document.location.href = strURL; } </script>
.htaccessもPHPもつかえなくてしゃーなしで
<script language="javascript"> strURL = location.href; if ( strURL.indexOf( "http://" ) == -1 ) { strURL = strURL.replace( "https://", "http://" ); document.location.href = strURL; } </script>