//----------------------------
// This JS file contains basic tools for cookie manipulation.

function SetCookie(sName,sVal,sExpires,sDomain,sPath,bSecure) {
//-------------------------------------
// Set a cookie.
  document.cookie = ( sName + "=" + escape(sVal) +
     ( (sExpires) ? "; expires=" + sExpires : "" ) +
     ( (sDomain) ? "; domain=" + sDomain : "" ) +
     ( (sPath) ? "; path=" + sPath : "" ) +
     ( (bSecure) ? "; secure" : "" )    );
}

function GetCookie(sName){
//-------------------------------------
// Traverse the cookie, looking for the passed cookie name.
// If found, return the value, else return null.
  var sDelimName   = ( sName + "=" );
  var iNameLength  = sDelimName.length;
  var iCookieLength= document.cookie.length;
  var iNameStart = 0;
  while (iNameStart < iCookieLength){
    var iNameEnd = (iNameStart + iNameLength);
    if (document.cookie.substring(iNameStart, iNameEnd) == sDelimName){
      // If name found, get the associated value.
      // (from iNameEnd  to next ; or end of cookie)
      var iValueEnd = document.cookie.indexOf (";", iNameEnd);
      if (iValueEnd == -1){ iValueEnd = document.cookie.length }
      return unescape(document.cookie.substring(iNameEnd, iValueEnd));
    }
    iNameStart = ( document.cookie.indexOf(" ", iNameStart) + 1 );
    if (iNameStart == 0) break; 
  }
  return null;
}