var show_btn1_1 = document.getElementById("show_btn1_1");
show_btn1_1.innerHTML = '<a onclick="ajaxlogin();" rel="nofollow" class="btn btn-small signin-loader">立即升级</a>';
var show_btn1_2 = document.getElementById("show_btn1_2");
show_btn1_2.innerHTML = '<a onclick="ajaxlogin();" rel="nofollow" class="btn btn-small signin-loader">立即升级</a>';
var show_btn1_3 = document.getElementById("show_btn1_3");
show_btn1_3.innerHTML = '<a onclick="ajaxlogin();" rel="nofollow" class="btn btn-small signin-loader">立即升级</a>';
var show_btn1_4 = document.getElementById("show_btn1_4");
show_btn1_4.innerHTML = '<a onclick="ajaxlogin();" rel="nofollow" class="btn btn-small signin-loader">立即升级</a>';