function swapImg(id, imgUrl) {
   var obj = document.getElementById(id)
   if(!obj) return;
   if (obj.src) {
    obj.src = imgUrl;
   } else if (obj.filters && obj.filters(0).src) {
    obj.filters(0).src = imgUrl;
   }
}


function doLink(obj, linkId) {
  var l = document.getElementById(linkId);
  if(l) {
    document.location.href=l.href;
  }
}

function modifyRadioButtons(imgRoot) {
  //$j = jQuery
  var imgOn= imgRoot + 'on.png';
  var imgOff= imgRoot + 'off.png';
  $j(".rblListItem INPUT").each(function() {
     //modify button,
     //set visibility to hidden, and add image
     var id = this.id;
     //alert(id);
     var inputObj = this;
     var imgObj = $j("label[for='"+id+"'] div img");
     if(imgObj && imgObj.length == 1) {
        alert(imgObj[0]);
        imgObj[0].src = imgOff;
        
     }
     //alert(imgObj + "\n" + imgObj.length);
     /*
     $j("#"+id+" img").each(function() {
        alert(1);
        this.src = imgOff;
     });
     */
  });
}