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
  "<img border='0' src='images/home_1.jpg'>",
  "<img border='0' src='images/home_2.jpg'>",
  "<img border='0' src='images/home_3.jpg'>",
  "<img border='0' src='images/home_4.jpg'>"
  // !NOTE: No Comma after last Quote!  
);
document.write(quote[Math.floor(Math.random()*quote.length)]);