//设为首页
function sethomepage(Url)
{
    this.style.behavior='url(#default#homepage)';
    this.setHomePage(Url);
}
//加入收藏
function addfavorite(Url,Title)
{
    window.external.addFavorite(Url,Title);
}
//菜单
function Menu(ID)
{
    var tage = document.all.tags("span");
    
    var NewID;
    //隐藏所有的子菜单
    for (var i=0;i<tage.length;i++)
    {
        if (tage[i].id.substring(0,4) == "Menu")
            tage[i].style.display="none";
              
     }
     //显示所选子菜单
     if (ID !="")
     {
        document.getElementById(ID).style.display="";
     }
}
//显示当前时间
function showtime()
{
    var date = new Date();
    var h = date.getHours();
    if (h.toString().length < 2)
        h = "0" + h;
    var m = date.getMinutes();
    if (m.toString().length < 2)
        m = "0" + m;
    var s = date.getSeconds();
    if (s.toString().length < 2)
        s = "0" + s;
   document.getElementById("sptime").innerHTML = h + ":" + m + ":" + s;
}
function show()
{
    showtime();
    window.setInterval("showtime()",1000);
}
//最新工程案例菜单
function showprjmenu(ID)
{
    var tage = document.all.tags("div");
    //隐藏所有的子菜单
    for (var i=0;i<tage.length;i++)
    {
        if (tage[i].id.substring(0,7) == "prjmenu")
            tage[i].style.display="none";
     }
     //显示所选子菜单
     if (ID !="")
     {
        document.getElementById(ID).style.display="";
     }
}
function initprjmenu()
{
    var tage = document.all.tags("div");
    for (var i = 0;i < tage.length;i++)
    {
        if (tage[i].id.substring(0,7) == "prjmenu")
        {
            tage[i].style.display = "";
            break;
        }
    }
}