var targets = new Array();

targets[0] = 'nature/tapestries';
targets[1] = 'somerset/oddsandends';
targets[2] = 'somerset/wells';
targets[3] = 'wales/aberdyfi';
targets[4] = 'wales/barmouth';
targets[5] = 'wales/beddgelert';
targets[6] = 'wales/cregennan';
targets[7] = 'wales/dolgellau';
targets[8] = 'wales/dyffryn';
targets[9] = 'wales/feglafawr';
targets[10] = 'wales/llandanwg';
targets[11] = 'wales/mawddach';
targets[12] = 'wales/mochras';
targets[13] = 'wales/snowdon';
targets[14] = 'wales/talyllyn';
targets[15] = 'wales/tywyn';

var limits = [ 23, 13, 11, 3, 7, 7, 7, 7, 4, 3, 2, 4, 2, 3, 6, 22 ];

function ThumbnailCode(rn, cap)
{
	var nm, tn, pn, s;
	nm = '000'.concat(limits[rn]);
	nm = nm.substr(nm.length-3, 3);
	tn = targets[rn] + '/thumbs/' + nm + '.jpg';
	pn = targets[rn] + '/page' + limits[rn] + '.html';
	s = '<a class="thumbnail" href="' + pn + '">' +
		'<img src="' + tn + '" alt="" border="0">' +
		'<p style="margin-bottom:0;">' + cap + '</p></a>';
	document.write(s);
	return;
}

function RandomThumbnail()
{
	var dn, rn;
	dn = ((new Date()).getDate() - 1) % targets.length;
	do {
		rn = Math.floor(Math.random() * targets.length);
	} while (rn == dn);
	ThumbnailCode(rn, "Pot Luck!");
	return;
}

function PicOfTheDay()
{
	var rn = ((new Date()).getDate() - 1) % targets.length;
	ThumbnailCode(rn, "Picture of the day");
	return;
}