function loadIEStyles()
{
    var matches = /MSIE ([0-9\.]+)/.exec(navigator.userAgent);
    var version = matches ? parseFloat(matches[1]) : 0;
    if (/Windows/.test(navigator.userAgent) && (0 < version && version < 7)) {
        //alert("Loading IE styles: IE " + version + " on Windows");
        document.writeln('<link rel="stylesheet" href="stylesheets/ie.css" type="text/css" media="screen" />');        
        document.close();
    }
}
loadIEStyles();