function ad_content_write(a){
    var adtype = a;
    
    var callback = function(val) {
      $("ad_1").innerHTML = val.str;
    }
    
    switch(adtype){
        case 'text':
            Heredoc.load("http://brandkaitorinet.web.fc2.com/js/ad_brandear_2.txt", callback);
            
            break;
            
        case 'watch':
            Heredoc.load("http://brandkaitorinet.web.fc2.com/js/ad_bezel.txt", callback);
            
            break;
            
        default:
            Heredoc.load("http://brandkaitorinet.web.fc2.com/js/ad_brandear.txt", callback);
            
            break;
    }

}