function showInfo(id, state)
{
	if (document.getElementById(id))
		{
			document.getElementById(id).style.display=state;
		}
}

function showAngebote()
{
	showInfo('angebote_info', 'block');
	showInfo('news_info', 'none');
	showInfo('kontakt_info', 'none');
	showInfo('leistungen_info', 'none');
	showInfo('impressum_info', 'none');
	
}
function showNews()
{
	showInfo('news_info', 'block');
	showInfo('angebote_info', 'none');
	showInfo('kontakt_info', 'none');
	showInfo('leistungen_info', 'none');
	showInfo('impressum_info', 'none');
	
}

function showKontakt()
{
	showInfo('kontakt_info', 'block');
	showInfo('angebote_info', 'none');
	showInfo('news_info', 'none');
	showInfo('leistungen_info', 'none');
	showInfo('impressum_info', 'none');	
}

function showLeistungen()
{
	showInfo('leistungen_info', 'block');
	showInfo('angebote_info', 'none');
	showInfo('news_info', 'none');
	showInfo('kontakt_info', 'none');
	showInfo('impressum_info', 'none');		
}

function showImpressum()
{
	showInfo('impressum_info', 'block');
	showInfo('angebote_info', 'none');
	showInfo('news_info', 'none');
	showInfo('kontakt_info', 'none');
	showInfo('leistungen_info', 'none');		
}

if(document.images)
{
		button0off = new Image();
		button0off.src = "images/index_08.jpg";
		button0over = new Image();
		button0over.src = "images/index_08.jpg";

		button1off = new Image();
		button1off.src = "images/index_14.jpg";
		button1over = new Image();
		button1over.src = "images/index_14.jpg";
		
		button2off = new Image();
		button2off.src = "images/index_03.jpg";
		button2over = new Image();
		button2over.src = "images/index_03.jpg";
		
		button3off = new Image();
		button3off.src = "images/index_17.jpg";
		button3over = new Image();
		button3over.src = "images/index_17.jpg";
		
		button4off = new Image();
		button4off.src = "images/index_05.jpg";
		button4over = new Image();
		button4over.src = "images/index_05.jpg";		
}

function onoff(imgName,state)
{
	if(document.images)
	{               
		document.images[imgName].src = eval(imgName+state+".src");
	}
}         


function openWindow(url)
{
	window.open(url,'popup','width=700,height=474,screenX=100,left=100,screenY=100,top=100,toolbar=0,menubar=0,location=0,status=0,resizable=0,scrollbars=0');
}