function donothing() {
}

function popup( win, w, h ){
  pop = window.open(win,'return','toolbar=no,location=no,directories=no,status=no,scrollbars=no,resizable=no,copyhistory=no,locationbar=no,width=' + w + ',height=' + h + ',screenX=0,screenY=0,top=10,left=10');
  pop.focus();  
}