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='/checking_completely_free_checking.html'><img border='0' src='/images/homepageads/freegift_jan-2012_home.jpg'></a>",
  "<a href='/PDF/Pioneer_Bank_mobile_banking.pdf' target='_blank'><img border='0' src='/images/mobile_banking_banner.jpg'></a>",
  "<a href='https://estatement.pioneerbnk.com/EnrollmentWebApp/AfsEnrollmentNewUser.aspx?BrandName=044'><img border='0' src='/images/homepageads/green_nov2009.jpg'></a>"

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