function open_sprachnavigation(){
	
	document.getElementById("kopf_rechts_sprachnavigation").style.height = 'auto';
	document.getElementById("sp").style.display = 'none';
	
}

function close_sprachnavigation(){
	
	document.getElementById("kopf_rechts_sprachnavigation").style.height = '18px';
	document.getElementById("sp").style.display = 'block';
	
}

function sprachnavigation() {
	
	sprachnavigation = document.getElementById("kopf_rechts_sprachnavigation");
       
       	if (sprachnavigation.addEventListener) {
		
		sprachnavigation.addEventListener ("mouseover", function(){open_sprachnavigation()}, false);
		sprachnavigation.addEventListener ("mouseout", function(){close_sprachnavigation()}, false);
		
		return true;
		
	} else if (sprachnavigation.attachEvent) {
		var retVal;
		
		
		retVal = sprachnavigation.attachEvent("onmouseover", function(){open_sprachnavigation()});
		retVal = sprachnavigation.attachEvent("onmouseout", function(){close_sprachnavigation()});
		
		return retVal;
	}
  return false;	
}