function validate_required(field,alerttxt){
with (field){
if (value==null||value=="")
{alert(alerttxt);return false;}
else {return true;}
}
}
function validate(thisform){
with (thisform){
if (validate_required(username,"登录用户名不能为空")==false){
username.focus();return false;
}
if (validate_required(password,"密码不能为空")==false){
password.focus();return false;
}
}
}
function initTopBarBox(){
var html="";
var setcookie="javascript:$.cookie('defaultBrowser','mobile',{expires:999,path:'/',___domain:'.wenxuecity.com'})";
html+="";
html+="