$(function() {
	$( '#mail' ).show();
	$( '#dummy-submit' ).click( function(){
		$( '#rdemail' ).attr( 'value', $( '#dummy-rdemail' )[0].value );
	});
	$( '#submit' ).click( function(){
		if( !( $( '#rdemail' )[0].value ) ){
			$( '#rdemail' ).attr( 'value', $( '#dummy-rdemail' )[0].value );
		}
	});

	var regComment = '(メールアドレスを入力)';
	$( 'input.rdemail-s' ).val( regComment );
	$( 'input.rdemail-s' ).addClass( 'passive' );
	$( 'input.rdemail-s' ).focus( function() {
		$( this ).removeClass( 'passive' );
		var rdemail = $( this ).val();
		if( rdemail == regComment ) {
			$( this ).val( '' );
		}
	});
	$( '.reg input.rdemail-s' ).blur( function() {
		var rdemail = $( this ).val();
		if ( rdemail == '' ) {
			$( this ).val( regComment ).addClass( 'passive' );
		}
	});
});