function randomImage() {}
var r = new randomImage();
var n = 0;
r[n++] = '<img src="images/interface/face01.jpg" border="0" alt="David Grimes Opticians, 44 St. Peters Street, Canterbury, Kent">'
r[n++] = '<img src="images/interface/face02.jpg" border="0" alt="David Grimes Opticians, 44 St. Peters Street, Canterbury, Kent">'
r[n++] = '<img src="images/interface/face03.jpg" border="0" alt="David Grimes Opticians, 44 St. Peters Street, Canterbury, Kent">'
r[n++] = '<img src="images/interface/face04.jpg" border="0" alt="David Grimes Opticians, 44 St. Peters Street, Canterbury, Kent">'
i = Math.floor(Math.random()*n);

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