function popupWindow(url,width,height) {
window.open(url,'popupWindow','toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=no,copyhistory=no,width='+width+',height='+height+',screenX=150,screenY=150,top=150,left=150');
}

function toggleDisplay(e)  {if (e.style.display == "none") {e.style.display = "";} else {e.style.display = "none"}}