var Quotation=new Array() 

Quotation[0] = "<IMG SRC='featured/1.jpg'>";
Quotation[1] = "<IMG SRC='featured/2.jpg'>";

var Q = Quotation.length;
var whichQuotation=Math.round(Math.random()*(Q-1));
function showQuotation(){document.write(Quotation[whichQuotation]);}
showQuotation();