function supply_click() {
    document.getElementById('SearchForm').action = "/biz/supplysearch.aspx";
    document.getElementById('TitleArticles').className = "btnSelected";
    document.getElementById('TitleHospitals').className = "btnUnselected";
    document.getElementById('TitleBlogs').className = "btnUnselected";
    document.getElementById('TitleCompany').className = "btnUnselected";
    document.getElementById('TitleTalent').className = "btnUnselected";
}

function buy_click() {
    document.getElementById('SearchForm').action = "/biz/buysearch.aspx";
    document.getElementById('TitleArticles').className = "btnUnselected";
    document.getElementById('TitleBlogs').className = "btnSelected";
    document.getElementById('TitleHospitals').className = "btnUnselected";
    document.getElementById('TitleCompany').className = "btnUnselected";
    document.getElementById('TitleTalent').className = "btnUnselected";
}

function news_click() {
    document.getElementById('SearchForm').action = "/newssearch.aspx";
    document.getElementById('TitleArticles').className = "btnUnselected";
    document.getElementById('TitleHospitals').className = "btnSelected";
    document.getElementById('TitleBlogs').className = "btnUnselected";
    document.getElementById('TitleCompany').className = "btnUnselected";
    document.getElementById('TitleTalent').className = "btnUnselected";
}

function job_click() {
    document.getElementById('SearchForm').action = "/jobs/joblist.aspx";
    document.getElementById('TitleArticles').className = "btnUnselected";
    document.getElementById('TitleHospitals').className = "btnUnselected";
    document.getElementById('TitleBlogs').className = "btnUnselected";
    document.getElementById('TitleCompany').className = "btnSelected";
    document.getElementById('TitleTalent').className = "btnUnselected";
}

function talent_click() {
    document.getElementById('SearchForm').action = "/jobs/talentlist.aspx";
    document.getElementById('TitleArticles').className = "btnUnselected";
    document.getElementById('TitleBlogs').className = "btnUnselected";
    document.getElementById('TitleHospitals').className = "btnUnselected";
    document.getElementById('TitleCompany').className = "btnUnselected";
    document.getElementById('TitleTalent').className = "btnSelected";
}

function checkform() {
    if (document.getElementById('q').value == "") {
        alert("请输入您要查找的关键词！");
        document.getElementById('q').focus();
        return false;
    }
}