function onKeyPress(e, s) {
	if (!e)
		e = window.event;
	
	if (e && e.type == "keypress") {
		var c = e.keyCode ? e.keyCode : e.which ? e.which : 0;

		if (c == 13) {
			e.cancelBubble = true;
			e.returnValue = false;
			
			eval(s);
			
			if (e.stopPropagation)
				e.stopPropagation();

			if (e.preventDefault)
				e.preventDefault();
		}
	}
}