function CountMax() 
{ 
	var wert,max; 
	max = 140; 
	wert = max-document.twitter_form.twitter_message.value.length; 
	if (wert < 0) { 
//		alert("Es dürfen nicht mehr als " + max + " Zeichen eingegeben werden!"); 
		document.twitter_form.twitter_message.value = document.twitter_form.twitter_message.value.substring(0,max); 
		wert = max-document.twitter_form.twitter_message.value.length; 
		document.twitter_form.twitter_message_counter.value = wert; 
	} else { 
		document.twitter_form.twitter_message_counter.value = "noch " + (max - document.twitter_form.twitter_message.value.length); 
	} 
} 

function switchTwitterForm()
{
	if(document.getElementById("twitter_input_box").style.display=="block")
		document.getElementById("twitter_input_box").style.display="none";
	else
		document.getElementById("twitter_input_box").style.display="block";
}

function hoverTwitter(obj)
{
	obj.src="fileadmin/templates/images/navi/main/twitter-menu-hover.gif";
}
function unhoverTwitter(obj)
{
	obj.src="fileadmin/templates/images/navi/main/twitter-menu.gif";
}