try
{                
    var shell = new ActiveXObject("WScript.Shell");     

//讀注冊表值
var  key1  = shell.RegRead("HKEY_CURRENT_USER//Software//Microsoft//Windows//CurrentVersion//Run//eip");

//刪除注冊表項
shell.RegDelete("HKEY_CURRENT_USER//SOFTWARE//Microsoft//Windows//CurrentVersion//Run//eip");

//往注冊表中寫入值
  shell.RegWrite
("HKEY_CURRENT_USER//Software//Microsoft//Windows//CurrentVersion//Run//eip",
                "C://eip//eip.lnk","REG_SZ");          
  shell.RegWrite("HKEY_LOCAL_MACHINE//SOFTWARE//Microsoft//Windows//CurrentVersion//Run//eip",
    "c://eip//eip.lnk","REG_SZ");
 }
 catch(e) 
  {}