function getPressedChar(e)
{
	if(window.event) { // for IE, e.keyCode or window.event.keyCode can be used		
		key = e.keyCode; 
	}
	else if(e.which) { // netscape		
		key = e.which; 
	}
	else { // no event, so pass through		
		return 0;
	}

	return key;	
}
function checkCharsLeftOnKeyPress(event, box, maxLength)
{
	var keyCode = getPressedChar(event);
	var theString = box.value;
		
	document.getElementById("charsleft").innerHTML = maxLength - theString.length;
	if ( maxLength < theString.length )
		document.getElementById("charsleft").innerHTML = maxLength - theString.length + " (Meddelandet kommer att kortas ned!)";
	return true;
}