var headID = document.getElementsByTagName("head")[0];
var cssNode = document.createElement('link');
var TDate = new Date();
cssNode.type = 'text/css';
cssNode.rel = 'stylesheet';
switch (TDate.getMonth()) {
    case 9:
        cssNode.href = 'content/css/h_h_style.css';
        break;
    case 11:
        cssNode.href = 'content/css/h_x_style.css';
        break;
    default:
        cssNode.href = 'content/css/halifax_style.css';
        break;
}
headID.appendChild(cssNode);