[flexcoders] How do I set width to 100% in actionscript?

[luvfotography]

How do I set the width to 100% using actionscript??
It only allows a number - not a string!?!


                var newcanvas:Canvas = new Canvas();
                                         
                newcanvas.width = "100%";


1067: Implicit coercion of a value of type String to an unrelated type
Number.