// nothing
function nothing() {}

//image swap
function imgswap(img,ref){
  if (document.images) {
        document.images[img].src = ref;
  }
}    

//generic open window
function openWindow(url, name){
	popupWin = window.open(url, name, "width=380,height=420,resizable=no,scrollbars=yes,toolbar=no");
}