var isLifeActive = false;
var isLifeInactive = true;

private var schoolHoursLeft : int = 7;

function Start ()
{
 setInterval(function(){TimeSubtract () }, 3600000);
}

function Update ()
{
 if ( isLifeInactive )
 {
  Applcation.LoadLevel(MyBedroom);
 }
 if ( is LifeActive )
 {
  Application.LoadLevel(School);
  SchoolTime ();
 }
 else
 {
  schoolHoursLeft = 0;
 }
}

function SchoolTime ()
{
 if ( schoolHoursLeft < 7 )
 {
  schoolHoursLeft = 7;
 }
 if ( schoolHoursLeft >= 0 )
 {
  TimeSubtract ();
 }
 if ( schoolHoursLeft <= 0 )
 {
  Debug.Log("You're not in school! Be happy!");
  schoolHoursLeft = 0;
 }
}

function TimeSubtract ()
{
 schoolHoursLeft -= 1;
}