/**
 * @author Czarina
 */
function Numeric(p_event)
{
	var key;
	var keychar;

	if (window.event)
					key = window.event.keyCode;
	else if (p_event)
					key = p_event.which;
	else
					return true;
	keychar = String.fromCharCode(key);

	// control keys
	if ((key==null) || (key==0) || (key==8) ||(key==9) || (key==13) || (key==27) )
					return true;
	else if ((("0123456789. ").indexOf(keychar) > -1))
					return true;
	else
					return false;
}