function openWin(url) {
  var u = url;
  window.open(u, 'newwindow', 'height=600, width=800, top=30%,left=30%, toolbar=no, menubar=no, scrollbars=no, resizable=no,location=no, status=no');
}
$(function() {
    $('.shangqiao').click(function() {
        openWin('http://blog.csdn.net/solly793755670');
    });
});

//當頁面滾動高度大於100時顯示出盒子
 

$(function() {
    $(window).scroll(function() {
        var top = $(window).scrollTop();
        if (top > 100) {
            $('.myside').fadeIn(800);
        } else {
            $('.myside').fadeOut(800);
        }
    });
})