// Timing Functions

StartTime = null; // this variable is set when the start button is pressed
		  // so that the user is not penalized for the loading time of flash

// timer_timeCompute()
// IN : none
// DO : calculates the minutes and seconds elapsed since the user began the simulation
// OUT: print it out into a text field

function timer_timeCompute()
{
	var CurrentTime = (getTimer()-StartTime)/1000; // gets the current time in milliseconds, subtracts the starttime, 
						       // and converts it into seconds.

	var Minute = Math.floor(CurrentTime/60); // get # of minutes in current time
	var Second = Math.floor(((CurrentTime/60) - Minute) * 60); // get # of seconds in current time

	if ((Minute.toString()).length == 1) {
		// adding a zero to # of minutes if it is less than 10 for correct display
		Minute = "0" + Minute;
	}
	
	if ((Second.toString()).length == 1) {
		// adding a zero to # of seconds if it is less than 10 for correct display
		Second = "0" + Second;
	}

	_root.Menu.Clock.TIME = Minute + ":" + Second; // display time elapsed		
}