function checkpass(){
  fail = true;
  if(document.Login.username.value == "nabalco" && document.Login.password.value == "isas"){
   document.location = "http://www.isas.com.au/engraving/member/nabalco.htm";
   fail = false;
  }
  if(fail == true){
   document.location = "http://www.isas.com.au/engraving/loginfail.htm";  
  }
}