Mine

function uploadimg (theform,ajaxAction,ajaxTarget){
	
	var imgDesc =  theform.getInputs("page1", "text","imgDesc");
	

	alert(imgDesc[0]); //have also tried just imgDesc and imgDesc.getValue()
	defaultAction=theform.action;
	defaultTarget=theform.target;
	theform.action=ajaxAction;
	theform.target=ajaxTarget;
	theform.submit();	//Submit the form.
	//Then display a loading message to the user.
	setStatus ("Please wait while your image uploads...","showimg");

	theform.action=defaultAction;
	theform.target=defaultTarget;
}