//头部搜索
function Search() {
    var obj = document.getElementById('s_type');
    var index = obj.selectedIndex;
    if (obj.options[index].value == "0") {
        alert('请选择搜索类别');
    }
    else {
        if (document.getElementById('key').value == "") {
            alert('请输入关键字');
        }
        else {
            location.href = "../ajax/?type=" + escape(obj.options[index].value + ";" + document.getElementById('key').value);
        }
    }
}