function __home() {
	window.location = '/';
	}

function __logo( _show ) {
	document.getElementById( 'logo-over' ).style.visibility = ( _show ? 'visible' : 'hidden' );
	}

function __popup( _page, _width, _height ) {
	var _left, _top;
	_height = _height ? _height : 400;
	_width = _width ? _width : 400;
	_left = screen.width ? ( ( screen.width - _width ) / 2 ) : 100;
	_top = screen.height ? ( ( screen.height - _height ) / 2 ) : 100;
	if ( typeof( _page ) != 'string' )
		_page = _page.href;
	window.open( _page, '', 'width=' + _width + ',height=' + _height + ',top=' + _top + ',left=' + _left + ',resizable=no,scrollbars=no,status=no' );
	return false;
	}