var dateFunction = {
  convertDate : function (gmtDate){
    var originalDate = new Date(gmtDate);
    var retStr = (originalDate.getMonth()+1) + "-" + originalDate.getDate() + "-" + originalDate.getFullYear();
    return retStr;
  },
  init : function(){
    var elems = YAHOO.util.Dom.getElementsByClassName('utcDate');
    for(var i=0;i<elems.length;i++)
    {
      elems[i].innerHTML = dateFunction.convertDate(elems[i].innerHTML);
    }
    
  }
}
YAHOO.util.Event.addListener(window, "load", dateFunction.init);