function ShowHelpDialog(url){
    var d="<div id=\"helpdialog\" style=\"width:800px\" class=\"g_dialog\"><div id=\"helpdialogTitle\" class=\"g_dialogtitle\"><div class=\"g_dialogtitletext\">帮助视频</div><div id=\"helpdialogclose\" class=\"g_dialogclose\"></div></div><div id=\"helpdialogBody\" class=\"g_dialogbody\"></div><div id=\"helpdialogBottom\" class=\"g_dialogbottom\"></div></div>";
     $("#helpdialog").remove();

    $("body").append(d);

    insertHelpFlash("helpdialogBody",url);

    $("#helpdialog").Dialog({
        showmask:false,
        maskColor:"#1b1613",
        maskOpacity:50,
        animate:"",
        close:"#helpdialogclose",
        draggable:true,
        dragHandle:"#helpdialogTitle"
    });
}