function selectTag_tab1(showContent, selfObj) {
    var tag_tab1 = document.getElementById("tags_tab1").getElementsByTagName("li");
    var taglength_tab1 = tag_tab1.length;
    for (i = 0; i < taglength_tab1; i++) {
        tag_tab1[i].className = "";
    }
    selfObj.parentNode.className = "selectTag_tab1";
    for (i = 0; j = document.getElementById("tagContent_tab1" + i); i++) {
        j.style.display = "none";
    }
    document.getElementById(showContent).style.display = "block";
}

function selectTag_tab2(showContent, selfObj) {
    var tag_tab2 = document.getElementById("tags_tab2").getElementsByTagName("li");
    var taglength_tab2 = tag_tab2.length;
    for (i = 0; i < taglength_tab2; i++) {
        tag_tab2[i].className = "";
    }
    selfObj.parentNode.className = "selectTag_tab2";
    for (i = 0; j = document.getElementById("tagContent_tab2" + i); i++) {
        j.style.display = "none";
    }
    document.getElementById(showContent).style.display = "block";
}

function selectTag_tab3(showContent, selfObj) {
    var tag_tab3 = document.getElementById("tags_tab3").getElementsByTagName("li");
    var taglength_tab3 = tag_tab3.length;
    for (i = 0; i < taglength_tab3; i++) {
        tag_tab3[i].className = "";
    }
    selfObj.parentNode.className = "selectTag_tab3";
    for (i = 0; j = document.getElementById("tagContent_tab3" + i); i++) {
        j.style.display = "none";
    }
    document.getElementById(showContent).style.display = "block";
}

function selectTag_tab4(showContent, selfObj) {
    var tag_tab4 = document.getElementById("tags_tab4").getElementsByTagName("li");
    var taglength_tab4 = tag_tab4.length;
    for (i = 0; i < taglength_tab4; i++) {
        tag_tab4[i].className = "";
    }
    selfObj.parentNode.className = "selectTag_tab4";
    for (i = 0; j = document.getElementById("tagContent_tab4" + i); i++) {
        j.style.display = "none";
    }
    document.getElementById(showContent).style.display = "block";
}

function getRadioValue(radioName) {
    var obj;
    obj = document.getElementsByName(radioName);
    if (obj != null) {
        var i;
        for (i = 0; i < obj.length; i++) {
            if (obj[i].checked) {
                return obj[i].value;
            }
        }
    }
    return null;
}

function updateRadioValue(sid) {
    if (sid == null) {
        alert('请选择选项！');
        return false;
    } else {
        xDwr.updateRadioValue(sid, {
            async: false,
            callback: function() {
                alert('投票成功！');
                location.reload();
            }
        });
    }
}