HTML email link from .swf

I’ve coded a flash page with an email link to open with the subject line already filled out :

var emailLink:URLRequest = new URLRequest("mailto:sales@air-horizons.com?subject=From Air Horizons Web Site");

this.email.addEventListener(MouseEvent.CLICK, onClick);

function onClick(event:MouseEvent):void { navigateToURL(emailLink);
}

It works in the published swf but does not in the published HTML file…is there something I’m doing wrong?

Any help would be appreciated!

Thanks,