function eoRightSideBanner() {
    var adString = '<a href="http://www.expeditersonline.com/sub/allstate" target="blank"><img src="/adimages/allstate120x400.jpg" border="0" alt="" /></a>';
    var banner = document.getElementById("right-side-banner");

    if(banner) {
        banner.innerHTML = adString;
    }
}

function addEvent(obj, evType, fn){ 
 if (obj.addEventListener){ 
   obj.addEventListener(evType, fn, false); 
   return true; 
 } else if (obj.attachEvent){ 
   var r = obj.attachEvent("on"+evType, fn); 
   return r; 
 } else { 
   return false; 
 } 
}

addEvent(window, 'load', eoRightSideBanner);