function validate(form)
{
   if(form.password.value == "tejas2")
   {
      var d = new Date();
      
      d.setTime(d.getTime() + 43200002);

      document.cookie =
         "access=true; expires=" + d;
      document.location = "teachers.htm";
   }
   else
   {
      document.cookie =
         "access=false; expires=" + d;
      alert("Error: Password not correct");
   }
}