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var randomChars:String = "A_B_C_D_E_F_G_H_I_J_K_L_M_N_O_P_!_@_#_$_%_^_&_!_ _ _ _ _ _ _"
var charArray:Array = randomChars.split("_");

function descramble(speed:int, txt:TextField):void{
	
	var originalString:String = txt.text;
	var newFragment:String;
	var newString:String;
	var characterNum:int = 0;

	function randText(len:int = 6):String
	{
		var tempArray:Array = new Array(len);
	   
		for (var z:int = 0; z < len; z++)
		{
			tempArray[z] = charArray[int(Math.random() * charArray.length)];
		}
	   
		return tempArray.join("");
	}
	
	function onTick(event:TimerEvent):void{
		
		if (characterNum < originalString.length + 1){
			
			newFragment = originalString.slice(0, characterNum);
			newString = newFragment += randText(originalString.length - characterNum);
			characterNum ++;
			txt.text = newString;
			
		} else {
			scrambleTimer.stop();
			scrambleTimer.removeEventListener(TimerEvent.TIMER, onTick);
			
		}
	}
	
	var scrambleTimer:Timer = new Timer(speed);
	scrambleTimer.addEventListener(TimerEvent.TIMER, onTick);
	scrambleTimer.start();

}