as3判断flash player版本的函数

//判断当前版本是否高于9.0.115.0为例子. 
private function checkVersion():Boolean 
  { 
   var verstr:String = Capabilities.version; 
   tvie_tracer.print("Flash Player Version is " + verstr); 
   var verary:Array = verstr.split(/[,\ ]/); 
   var major:Number = Number(verary[1]); 
   var rev:Number = Number(verary[3]); 
    
   if(major > 9) 
    return true; 
 
   if(major == 9 && rev >= 115) 
    return true 
      
   return false; 
  }