var messi = new Array('<img src="imgs/foto2_01.jpg" border="0" />',
'<img src="imgs/foto2_02.jpg" border="0" />',
'<img src="imgs/foto2_03.jpg" border="0" />',
'<img src="imgs/foto2_04.jpg" border="0" />',
'<img src="imgs/foto2_05.jpg" border="0" />',
'<img src="imgs/foto2_06.jpg" border="0" />');

var max = messi.length;
var numri = Math.floor((Math.random() * max));
document.writeln(messi[numri]);