var cookieName="sinablog_float";

function readCookie(name)
{
  var cookieValue = "";
  var search = name + "=";
  if(document.cookie.length > 0)
  { 
    offset = document.cookie.indexOf(search);
    if (offset != -1)
    { 
      offset += search.length;
      end = document.cookie.indexOf(";", offset);
      if (end == -1) end = document.cookie.length;
      cookieValue = unescape(document.cookie.substring(offset, end))
    }
  }
  return cookieValue;
}


function writeCookie(name, value, hours)
{
  var expire = "";
  if(hours != null)
  {
    expire = new Date((new Date()).getTime() + hours * 3600000);
    expire = "; expires=" + expire.toGMTString();
  }
  document.cookie = name + "=" + escape(value) + expire + ";path=/;" + "domain" + "=" + "mysinablog.com";
  //document.cookie = name + "=" + escape(value) + expire + ";path=/";
}




var str = document.location.href;
var reg = new RegExp("_");
var reg2 = new RegExp("sinaman.mysinablog.com");
if ((reg.test(str)) || (reg2.test(str)))
{
}
else
{
    var n_cookie=readCookie(cookieName);
    if (n_cookie=="") {
       if(screen.width>1279){
          document.write('<SC'+'RIPT LANGUAGE="JavaScript" SRC="http://as.sinahk.net/f?s=355&w=300&h=250&t=_blank"></SC'+'RIPT>');
          writeCookie(cookieName, 1, 24);
       }
    }
}