var unm=1;
var open;
function jsCont()
{
    if(unm<=3)
    {
        var father=$("#un").children();
        var imgs=$("#ims").children();
        for(var i=0;i<father.length;i++)
        {
            if($("#i"+unm).attr("id")==father.eq(i).attr("id"))
            {
                $("#i"+unm).addClass("one");
                imgs.eq(i).css("display","");
                continue;
            }
            father.eq(i).removeClass("one");
            imgs.eq(i).css("display","none");
        }
        unm+=1;
    }else
        unm=1;
}
function contorls()
{
    open=setInterval("jsCont()",3000);
}
function jsCont2(cont)
{
    var father=$(cont).parent().children();
    var imgs=$(ims).children();
    for(var i=0;i<father.length;i++)
    {
        if($(cont).attr("id")==father.eq(i).attr("id"))
        {
            $(cont).addClass("one");
            imgs.eq(i).css("display","");
            unm=i+1;
            continue;
        }
        father.eq(i).removeClass("one");
        imgs.eq(i).css("display","none");
    }
}
function addFavorite()
{
  window.external.addFavorite("http://www.pcwaishe.net/","外设天下");
  return false;
}
function setHomePage()
{
 
  document.body.style.behavior='url(#default#homepage)';
  document.body.setHomePage('http://www.pcwaishe.net/');
  
  return false;
}