[Artanis]

большое спасибо, помогло.

function  fireEvent(element,event){
		// [url]http://jehiah.cz/archive/firing-javascript-events-properly[/url]
		// [url]https://developer.mozilla.org/en/DOM/event.initKeyEvent[/url]
		if (document.createEventObject){
			// dispatch for IE
			var evt = document.createEventObject();
			return element.fireEvent('on'+event,evt)
		}
		else{
			// dispatch for firefox + others
			var evt = document.createEvent("KeyboardEvent");
			// create a key event
			evt.initKeyEvent(
					 event,				//  in DOMString typeArg,
					  true,             //  in boolean canBubbleArg,
					  true,             //  in boolean cancelableArg,
					  null,             //  in nsIDOMAbstractView viewArg,  Specifies UIEvent.view. This value may be null.
					  false,            //  in boolean ctrlKeyArg,
					  false,            //  in boolean altKeyArg,
					  false,            //  in boolean shiftKeyArg,
					  false,            //  in boolean metaKeyArg,
					   13,              //  in unsigned long keyCodeArg,
					   0);              //  in unsigned long charCodeArg);
			return !element.dispatchEvent(evt);
		}
	}

fireEvent(document.getElementById('element'), 'keypress');

тему можно закрывать