Help: Random code selecting removed array item.

hello struggling bit of code.

what im trying whenever pickcircuit function called, randomly color button , remove array cant "selected" again.

 

the problem: code still selecting deleted items off array.

 

 

 

 

 

//array

var brkarr:array = ["1","2","3","4","5","6","7","8","9","10","11","12","13","14","15","16","17","18","19","2 0","21","22","23","24","25","26","27","28","29","30"];

trace(brkarr);

 

 

function pickcircuit (){

 

 

//randomizer

var brkra:number = math.ceil(math.random()*brkarr.length);

trace(brkarr.length);

 

//change color

 

var brkpik:colortransform = new colortransform();

brkpik.blueoffset = 150;

this[("brk" + brkra)].transform.colortransform = brkpik;

 

removeitemarray(brkarr,brkra);

 

}

 

// code removes items array

 

function removeitemarray(thearray , theitem):void{

          trace("remove "+theitem+" "+thearray );

          for(var i:int=0; i<thearray .length;i++){

                    if(thearray [i]==theitem){

                              thearray .splice(i,1);

                              break;

                    }

          }

          trace(" array - "+thearray );

 

}

 

 

any appericated

use:

 

 

//array

var brkarr:array = ["1","2","3","4","5","6","7","8","9","10","11","12","13","14","15","1 6","17","18","19","20","21","22","23","24","25","26","27","28","29","3 0"];

trace(brkarr);

 

 

function pickcircuit (){

 

 

//randomizer

var brkra:number = math.floor(math.random()*brkarr.length);

trace(brkarr.length);

 

//change color

 

var brkpik:colortransform = new colortransform();

brkpik.blueoffset = 150;

this[("brk" + brkra)].transform.colortransform = brkpik;

 

removeitemarray(brkarr,brkra);

 

}

 

// code removes items array

 

function removeitemarray(thearray , theitem):void{

          trace("remove "+theitem+" "+thearray );

          thearray .splice(theitem,1);

          trace(" array - "+thearray );

}

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