/// Text with time since the last modification
function modified()
{
	if ( document.lastModified )
	{
		document.write( 'Posledna uprava ' );

		var now = new Date( (new Date()).toGMTString() );
		var last = new Date( new Date( document.lastModified ).toGMTString() );

		var count = Math.round( (now.getTime() - last.getTime()) / (1000. * 3600. * 24.) );

		if ( count < 1 )
			document.write( 'dnes.' );
		else if ( count == 1 )
			document.write( 'vcera.' );
		else if ( count < 14 )
			document.write( 'pred ' + count + ' dnami.' );
		else if ( count < 7 * 8 )
			document.write( 'pred ' + Math.round( count / 7. ) + ' tyzdnami.' );
		else
			document.write( 'pred ' + Math.round(count / (7. * 4.)) + ' mesiacmi.' );
	}
}