function nothing() {}


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


function openWindow(url, name){
	popupWin = window.open(url, name, "width=400,height=400,resizable=no,scrollbars=no,toolbar=no");
}
	
function openWindowSize(url, name, width, height){
	popupWin = window.open(url, name, "width="+width+",height="+height+",resizable=no,scrollbars=no,toolbar=no");
}