33个数随机抽取6个不重复的，按钮刷新

var _arr1:Array=[];
var _arr2:Array=[];
t1.text="";
for(var i:uint=1;i<=33;i++){
	_arr1.push(i);
	t1.text=t1.text+"  "+_arr1[i-1];
}
function refurbish(_e:MouseEvent=null):void{
	_arr2=_arr1.slice();
	t2.text="";
	for(var i:uint=1;i<=6;i++){
		var n:uint=Math.floor(Math.random()*_arr2.length);
		t2.text=t2.text+"  "+_arr2[n];
		_arr2.splice(n,1);
	}
}
refurbish();
re_btn.addEventListener(MouseEvent.MOUSE_DOWN,refurbish);