function buildArray() {
  var a = buildArray.arguments;
  for (i=0; i<a.length; i++) {
    this[i] = a[i];
  }
  this.length = a.length;
}
var quote = new buildArray(  
  // Place Quotes Here, Separated by Commas  
  "<a href='/24ibank.htm'><img border='0' src='/images/homepage_ads/OL_Banking_ad_April2010.jpg'></a>", 
  "<a href='/biz.htm'><img border='0' src='/images/homepage_ads/Business_ad_April2010.jpg'></a>", 
  "<a href='/pers_loansm.htm'><img border='0' src='/images/homepage_ads/Mortgage_ad_April2010.jpg'></a>"

  // !NOTE: No Comma after last Quote!  
);
document.write(quote[Math.floor(Math.random()*quote.length)]);