$(function(){
    var lastDiv  =$("div:last");
    var html ="<div id='divCheckLogin' title='登录提醒'><p>此页面必须要登录才能继续操作，是否要登录？</p></div>";
    lastDiv.append(html);
    var loginInfo = $("#loginInfo").html();
    $("#divCheckLogin").dialog({
                bgiframe: true,
			    height: 200,
			    width: 250,
			    modal: true, 
			    autoOpen: false,
			    buttons: {
			         '取消':function(){
				        $(this).dialog('close');
				            window.opener=null;
				            window.open(',','_self');
				            window.parent.close();
				         },
				    '确定': function() {
				            $(this).dialog('close');
				            $("#login").click();
				         }
	                }
            });
    if(loginInfo.length==0){//如果没有登录
        $("#divCheckLogin").dialog('open');
    }
});