function wordCounter(string:String):Number {
    var arr:Array = string.split(" ");
	var n:Number = 0;
	while(n < arr.length) {
		 if (arr[n] == "") {
            arr.splice(n,1);
        }
		n++;
	}
    return arr.length;
}
trace(wordCounter("This is totus flash action script blog"));