var pdr = new Array("pht_01.jpg"
			, "pht_02.jpg"
			, "pht_03.jpg"
			, "pht_04.jpg"
			, "pht_05.jpg"
		);
var moda = Math.ceil(Math.random() * pdr.length) - 1;
document.write('<img src="/blog/images/' + pdr[moda] + '" alt="" width="957" height="222" border="0" />');
document.close();