function _message_tips_pop(act) {
    var MsgPop = _message_child("_popup_msg_container", "div");
    var MsgPop = null == MsgPop ? document.getElementById("_popup_msg_container") : MsgPop;
    var popH = parseInt(MsgPop.clientHeight);
    if (act == "up") {
        MsgPop.style.display = "block";
        show = setTimeout("_message_changeH('up')", 20)
    }else {
        hide = setTimeout("_message_changeH('down')", 20)
    }
}
function initAd(h){
	_win_AdHeight =h/2+140;
	setTimeout("_message_tips_pop('up')", 2000);
	setTimeout("_message_tips_hide()", 11000);
}
function _message_tips_hide(){
	hide = setTimeout("_message_changeH('down')",2);
}
function _message_node(id) {
    return document.getElementById(id)
}
function _message_changeH(str) {
    var MsgPop = _message_child("_popup_msg_container", "div");
    var MsgPop = null == MsgPop ? document.getElementById("_popup_msg_container") : MsgPop;
    var popH = parseInt(MsgPop.clientHeight);
    if (str == "up") {
        if (popH <= _win_AdHeight) {
            MsgPop.style.height = (parseInt(MsgPop.style.height) + 4).toString() + "px";
            setTimeout("_message_changeH('up')",2);
        }
        
    }
    if (str == "down") {
        if (popH >= 8) {
            MsgPop.style.height = (popH - 4).toString() + "px";
            setTimeout("_message_changeH('down')",2);
        } else {
            MsgPop.style.display = "none";
            return false;
        }
    }
}
function _message_child(p, c) {
    var pdom = _message_node(p);
    var nodes = pdom.childNodes;
    var cdom = false;
    for (var i = 0; i < nodes.length; i++) {
        if (nodes[i].tagName == c.toUpperCase()) {
            cdom = nodes[i];
            break
        }
    }
    return cdom
}