function doMenu(rootid,id)
{
    var url;
    switch(rootid)
    {
        case 0:
            url = 'index.aspx';
            break;
        case 1:
            url = 'about.aspx';
            break;
        case 2:
            url = 'products.aspx';
            break;
        case 3:
            url = 'cases.aspx';
            break;
        case 4:
            url = 'news.aspx';
            break;
        case 5:
            url = 'network.aspx';
            break;
        case 6:
            url = 'humanResource.aspx';
            break;
        case 7:
            url = 'contact.aspx';
            break;
       case 8:
            url='service.aspx';
            break;
       case 9:
            url='download.aspx';
            break;
       case 10:
            url='contact.aspx';
            break;
       case 18:
            url='message.aspx';
            break;
       case 23:
            url='djzx.aspx';
            break;
       case 24:
            url='ygtd.aspx';
            break;
        case 999:
            window.open('/administrator/');
            return;
            break;
        default:
            url = '/index.aspx';
            break;
    }
    if(id>0) url+='?id='+id;
    location.href = url;
}

function doNav(rootid, id)
{
    var url;
    switch(rootid)
    {
        case 1:
            url = 'products.aspx?id=';
            break;
        case 2:
            url = 'system_detail.aspx?id=';
            break;
        default:
            url = 'products.aspx?id=';
            break;
    }
    location.href = url + id;
}

function AddFavorite()
{
	window.external.addFavorite(location.href,document.title);
	return;
}

function SetHomePage()
{
	document.links[0].style.behavior='url(#default#homepage)';
	document.links[0].setHomePage(location.href);
}

function chkEmail(frm)
{
	var obj = frm;
	if (frm.userid.value == '')
	{
		alert('请输入登陆用户名');
		frm.userid.focus();
		return false;
	}
	if (frm.passwd.value == '')
	{
		alert('请输入登陆密码');
		frm.passwd.focus();
		return false;
	}
	frm.action = 'http://mail.lszdjz.com:8888/login.cgi';
	return true;
}
function chkSearch(frm)
{
	if (frm.keyword.value == '' || frm.keyword.value == '搜索关键字...')
	{
		alert('请输入搜索关键字');
		frm.keyword.focus();
		return false;
	}
	frm.action = 'search.aspx';	
	return true;
}


function doZoom(num)
{
	var ndl=document.getElementById("news_Detail");
	if(ndl!=null&&ndl!=undefined)
	{
		ndl.className="fontsize"+num;
	}
}