function ldMenu(mySubject) {
var Indx=mySubject;
with (document.getElementById('select2')) 
{
document.getElementById('select2').options.length=0;
if (Indx==0)
{
options[0]=new Option("主機代管空間租用服務","IDC-B1.php");
options[1]=new Option("網際網路頻寬服務","IDC-B2.php");
}

if (Indx==1)   
{  
options[0]=new Option("防火牆安全管制服務","IDC-S1.php");
options[1]=new Option("入侵偵測服務","IDC-S2.php");
options[2]=new Option("病毒偵測服務","IDC-S3.php");
options[3]=new Option("漏洞掃描服務","IDC-S4.php");

}

if (Indx==2)
{
options[0]=new Option("主機監測加值服務","IDC-M1.php");
options[1]=new Option("網站監測加值服務","IDC-M2.php");
options[2]=new Option("網站存取統計分析服務","IDC-M3.php");
}


if (Indx==3)
{
options[0]=new Option("備份/回存服務","IDC-P1.php");
options[1]=new Option("網路與系統規劃建置服務","IDC-P2.php");
options[2]=new Option("網管委外服務","IDC-P3.php");
options[3]=new Option("應用系統開發建置服務","IDC-P4.php");
options[4]=new Option("作業系統維護服務","IDC-P5.php");
options[5]=new Option("日常工作執行服務","IDC-P6.php");
options[6]=new Option("DRP 與異地備援規劃服務","IDC-P7.php");
options[7]=new Option("負載平衡建置服務","IDC-P8.php");

document.getElementById('select2').options[0].selected=true;
}

}

function goToPage() 
{ 
PageIndex2=document.getElementById('select2').selectedIndex 
if (document.getElementById('select2').options[PageIndex2].value != "") 
{ 
location.href = document.getElementById('select2').options[PageIndex2].value;
} 
}