var n:Number = 4;
var str:String = "";

for(var i = 1;i<n*2;i++){
	var t:Number = i;
	if(i>n){
		t = (n*2)-i;
	}
	for(j = 0;j<Math.abs(t);j++){
		str += "*";
	}
	str += "\n";
}
trace(str);