var Cookies = {};  
/**//** 
 * Set Cookies 
 */  
Cookies.set = function(name, value){  
     var argv = arguments;  
     var argc = arguments.length;  
     var expires = (argc > 2) ? argv[2] : null;  
     var path = (argc > 3) ? argv[3] : '/';  
     var domain = (argc > 4) ? argv[4] : null;  
     var secure = (argc > 5) ? argv[5] : false;  
     document.cookie = name + "=" + escape (value) +  
       ((expires == null) ? "" : ("; expires=" + expires.toGMTString())) +  
       ((path == null) ? "" : ("; path=" + path)) +  
       ((domain == null) ? "" : ("; domain=" + domain)) +  
       ((secure == true) ? "; secure" : "");  
};  
/**//** 
 * Read Cookies 
 */  
Cookies.get = function(name){  
    var arg = name + "=";  
    var alen = arg.length;  
    var clen = document.cookie.length;  
    var i = 0;  
    var j = 0;  
    while(i < clen){  
        j = i + alen;  
        if (document.cookie.substring(i, j) == arg)  
            return Cookies.getCookieVal(j);  
        i = document.cookie.indexOf(" ", i) + 1;  
        if(i == 0)  
            break;  
    }  
    return null;  
};  
/**//** 
 * Clear Cookies 
 */  
Cookies.clear = function(name) {  
  if(Cookies.get(name)){  
    var expdate = new Date();   
    expdate.setTime(expdate.getTime() - (86400 * 1000 * 1));   
    Cookies.set(name, "", expdate);   
  }  
};  
  
Cookies.getCookieVal = function(offset){  
   var endstr = document.cookie.indexOf(";", offset);  
   if(endstr == -1){  
       endstr = document.cookie.length;  
   }  
   return unescape(document.cookie.substring(offset, endstr));  
};