{document.getElementById('menu1').onclick=function()
{if(document.getElementById('menu11').className=='close')
{document.getElementById('menu33').className='close';document.getElementById('menu11').className='open';document.getElementById('menu22').className='close';}
else
{document.getElementById('menu33').className='close';document.getElementById('menu11').className='close';document.getElementById('menu22').className='close';}};document.getElementById('menu2').onclick=function()
{if(document.getElementById('menu22').className=='close')
{document.getElementById('menu33').className='close';document.getElementById('menu22').className='open';document.getElementById('menu11').className='close';}
else
{document.getElementById('menu33').className='close';document.getElementById('menu22').className='close';document.getElementById('menu11').className='close';}};document.getElementById('menu3').onclick=function()
{if(document.getElementById('menu33').className=='close')
{document.getElementById('menu33').className='open';document.getElementById('menu22').className='close';document.getElementById('menu11').className='close';}
else
{document.getElementById('menu33').className='close';document.getElementById('menu22').className='close';document.getElementById('menu11').className='close';}};}
function stocker(){Fenster=window.open("http://www.stockergroup.com");}