// wechselt die Hovers bei Projektsteuerung
kuehne = new Image (221,188);
kuehne.src = "img/projektsteuerung_kuehne.jpg";

kuehneInactive = new Image (221,188);
kuehneInactive.src = "img/projektsteuerung_kuehne_inactive.jpg";

stahl = new Image (221,188);
stahl.src = "img/projektsteuerung_stahl.jpg";

stahlInactive = new Image (221,188);
stahlInactive.src = "img/projektsteuerung_stahl_inactive.jpg";

rose = new Image (221,188);
rose.src = "img/projektsteuerung_rose.jpg";

roseInactive = new Image (221,188);
roseInactive.src = "img/projektsteuerung_rose_inactive.jpg";

// für Lageplan
function showLage() {
	document.getElementById("btn_show_lage_pic").style.display = 'none';
	document.getElementById("btn_show_lage").style.display = 'none';	
	
	document.getElementById("btn_hide_lage_pic").style.display = 'inline';
	document.getElementById("btn_hide_lage").style.display = 'inline';
	
}

function hideLage() {	
	document.getElementById("btn_show_lage_pic").style.display = 'inline';
	document.getElementById("btn_show_lage").style.display = 'inline';
	
	document.getElementById("btn_hide_lage_pic").style.display = 'none';
	document.getElementById("btn_hide_lage").style.display = 'none';
}