/*
Filename:Map_Event_Data_Name
Created By:Hammond Cheng
Map_Cookies_functions contains all cookies operations to the map.
*/

//set the cookie with  value=1 and expiry days=365
function SetCookie(cookieName,cookieValue) 
{
 var today = new Date();
 var expire = new Date();
 var nDays=31;
 expire.setTime(today.getTime() + 3600000*24*nDays);
 document.cookie = cookieName+"="+escape(cookieValue)+ ";expires="+expire.toGMTString()+";path=/";
}
//read cookie
function ReadCookie(cookieName) 
{
 var theCookie=""+document.cookie;
 var ind=theCookie.indexOf(cookieName);
 if (ind==-1 || cookieName=="") 
     return ""; 
 var ind1=theCookie.indexOf(';',ind);
 if (ind1==-1) 
    ind1=theCookie.length; 
 return unescape(theCookie.substring(ind+cookieName.length+1,ind1));
}