function showRequest()
{
    getObj("pop_join").style.zIndex=9999;
    //lockScreen();
    setCss("pop_join","");
    resetControlToCenter("pop_join",480,209);
    return false;
}

function  checkRequestInput(userId,userName)
{
   if(getValue("InvietMessage")=="")
   {
       showDialog("please input Message!");
       return false;
   }
   getAjaxContent(ajaxRoot + "requestToJoin.aspx?u=" + userId + "&n=" + userName + "&msg=" + escape(getValue("InvietMessage")),onSend);
   //unlockScreen();
}

function onSend(ajaxRet)
{
    if(ajaxRet == "Completed")
    {
        setCss("pop_join","hide");
        showDialog("send request completed.");
    }
    else
    {
        showDialog(ajaxRet);
    }    
}