var $ = function(id) {
    return document.getElementById(id);
}
var inviteModeD = 1;
function changeMode(obja) {
    var modeName = obja.innerHTML;
    //alert(obja.title);
    switch (modeName) {
        case "链接邀请":
            displayPanel(1, obja);
            break;
        case "邮箱邀请": 
            displayPanel(2, obja);
            break;
        case "MSN邀请":
            displayPanel(3, obja);
            break;
        case "E-Mail邀请": 
            displayPanel(4, obja);
            break;
    }
}
function displayPanel(id, obja) {
    $("inviteModeD_" + inviteModeD).style.display = "none";
    $("inviteModeD_" + id).style.display = "block";
    $("inviteModeD_5").style.display = "none";
    obja.innerHTML = $("inviteInfo_" + inviteModeD).innerHTML;
    var modeName = obja.innerHTML;    
    switch (modeName) {
        case "链接邀请":
            obja.title = "用QQ/MSN等聊天工具发送邀请链接";
            break;
        case "邮箱邀请": 
            obja.title = "通过导入您邮箱内的通讯录批量邮件邀请好友加入您的家族";
            break;
        case "MSN邀请": 
            obja.title = "通过导入您msn内的联系人批量邮件邀请msn好友加入您的家族";
            break;
        case "E-Mail邀请":
            obja.title = "通过输入一个或者多个好友的email地址来邮件邀请好友加入您的家族";
            break;
    }
    //alert(obja.title);
    inviteModeD = id;
    $get("div1").innerHTML = "";
    $get("div_Preview").innerHTML = "";
}