function include_file(file, _type, callback) {
    var _doc = document.getelementsbytagname('head')[0];
    var isie = navigator.useragent.touppercase().indexof("msie") == -1 ? false : true;
    var _fileobj;
    if (_type == "script") {
        _fileobj = document.createelement('script');
        _fileobj.setattribute('type', 'text/javascript');
        _fileobj.setattribute('src', file);
        _doc.appendchild(_fileobj);
        if (!isie) {
            _fileobj.onload = function () {
                callback()
            }
        }
        else {
            _fileobj.onreadystatechange = function () {
                if (_fileobj.readystate == 'loaded' || _fileobj.readystate == 'complete') {
                    callback()
                }
            }
        }
    }
    else if (_type == "css") {
        _fileobj = document.createelement('link');
        _fileobj.setattribute('type', 'text/css');
        _fileobj.setattribute('rel', 'stylesheet');
        _fileobj.setattribute('href', file);
        _doc.appendchild(_fileobj);
        if (!isie) {
            callback()
        } else {
            _fileobj.onreadystatechange = function () {
                if (_fileobj.readystate == 'loaded' || _fileobj.readystate == 'complete') {
                    callback()
                }
            }
        }
    }
}
jquery(document).ready(function ($) {
    include_file("/skins/default/resetcommonindex.css", "css", function () {
                if (!isloads("/js/jquery-1.3.2.min.js")) {
                    include_file("/js/jquery-1.3.2.min.js", "script", action)
                } else {
                    action()
                }
        action();
    })
});
function action() {
    $(document.body).append("<div id=\"roll\" style=\"display:none;\"><div title=\"回到顶部\" id=\"roll_top\"></div></div>");
    $('#roll_top').click(function () {
        $('html,body').animate({ scrolltop: '0px' }, 800)
    });
    $('#ct').click(function () {
        $('html,body').animate({ scrolltop: $('.ct').offset().top }, 800)
    });
    $(window).scroll(function (event) {
        if ($.browser.ie6) {
            $('#roll').css('top', $(this).scrolltop() + $(this).height() - 170)
        }
        if ($(this).scrolltop() > 260) {
            $('#roll').fadein()
        } else {
            $('#roll').fadeout()
        }
    })
}
function isloads(src) {
    var isloaded = false;
    var scripts = document.getelementsbytagname("script");
    for (i = 0; i < scripts.length; i++) {
        if (scripts[i].src && scripts[i].src.indexof(src) != -1) {
            if (scripts[i].readystate == "loaded" || scripts[i].readystate == "complete") {
                isloaded = true;
                break
            }
        }
    }
    return isloaded
}