Howdy, this works...

Code:
update_area1.attachMovie("mc1","mc1",1);
... but I would like to achieve it dynamically as in...

Code:
var update_area_number:Number = 1
var updateName:String = "update_area" + update_area_number; // "update_area1"
updateName.attachMovie("mc1","mc1",1);
Thanks in advance