function saveCookie(a,c,f){var e=new Date();
e.setTime(e.getTime()+(f*24*60*60*1000));
var b="; expires="+e.toGMTString();
document.cookie=a+"="+c+b+"; path=/"
}function readCookie(d){var a=d+"=";
var b=document.cookie.split(";");
for(var e=0;
e<b.length;
e++){var f=b[e];
while(f.charAt(0)==" "){f=f.substring(1,f.length)
}if(f.indexOf(a)==0){return f.substring(a.length,f.length)
}}return null
}function eraseCookie(a){saveCookie(a,"",-1)
};