Fix IE error when getting HTML5 content via XHR

fixhtml5.js

function fixHTML5(content) {
    var html5element = ['nav','section', 'header','article','footer'];
    var attributes = ['id', 'class'];
 
    $.each(html5element, function (index, tag) {
        var re = new RegExp('<(\/?)'+tag+'([^>]*)>', 'g');
        content = content.replace(re, '<$1span tag="'+tag+'"$2>');
    })
 
    $('#context-panel').html(content);
 
    var fixNode = function (index, tag) {
        tag = $(tag);
        var node = $('<' +tag.attr('tag') + '/>')
            $.each(attributes, function (indexAttb, attb) {
                node.attr(attb, tag.attr(attb));
            })
        node.html(tag.html());
        tag.replaceWith(node);
    }
 
    $('span[tag]', '#context-panel').each(function (indexSpan, tag) {
        fixNode(indexSpan, tag)
    });
    return true;
}