Can't get ExternalInterface.call() working

1

ok, im changing a iframe via javascript, i got the js working fine, i can use a button to activate it.

im trying to use ExternalInterface.call(“changeBody”) ot call call my javascript “changeBody”, however i can’t get this to work. the page recognizes that something is getting called but i don’t know something is just not rigth.

as3 script


function togBody(event:MouseEvent) {
    ExternalInterface.call("changeBody");
}
home.addEventListener(MouseEvent.MOUSE_UP, togBody);

please anyone, any answers or even clues would help:(