Store and retrieve cookie values

cookie.js

  /**
* Set Cookie a cookie value
*/
function setCookie(cookieName,cookieValue,nHours) {
  var today = new Date();
  var expire = new Date();
  if (nHours==null || nHours==0) nHours=1;
  expire.setTime(today.getTime() + 3600000*nHours);
  document.cookie = cookieName+"="+escape(cookieValue) + ";expires="+expire.toGMTString();
}
/**
* Get specific cookie value
*/
function getCookie(c_name){
  var i,x,y,ARRcookies=document.cookie.split(";");
  for (i=0;i<ARRcookies.length;i++){
    x=ARRcookies[i].substr(0,ARRcookies[i].indexOf("="));
    y=ARRcookies[i].substr(ARRcookies[i].indexOf("=")+1);
    x=x.replace(/^\s+|\s+$/g,"");
    if (x==c_name){
      return unescape(y);
    }
  }
}