function getCookie(name) {
  var start = document.cookie.indexOf(name+"=");
  var len = start+name.length+1;
  if ((!start) && (name != document.cookie.substring(0,name.length))) return null;
  if (start == -1) return null;
  var end = document.cookie.indexOf(";",len);
  if (end == -1) end = document.cookie.length;
  return unescape(document.cookie.substring(len,end));
}

function setCookie(name,value,expires,path,domain,secure) {
  document.cookie = name + "=" +escape(value) +
    ( (expires) ? ";expires=" + expires.toGMTString() : "") +
    ( (path) ? ";path=" + path : "") + 
    ( (domain) ? ";domain=" + domain : "") +
    ( (secure) ? ";secure" : "");
}

var popUpWin=0;

function popUpWindow(URLStr, left, top, width, height) {
  if(popUpWin) {
    if(!popUpWin.closed) popUpWin.close();
  }
  popUpWin = open(URLStr, 'popUpWin', 'toolbar=no,location=no,directories=no,status=no,menub ar=no,scrollbar=no,resizable=no,copyhistory=yes,width='+width+',height='+height+',left='+left+', top='+top+',screenX='+left+',screenY='+top+'');
}