// left menu	
		    function menuauswaehlenleft()
		    {   
		        var a=document.getElementById('hauptmenuleft');
		        if (a.className=='menudefault')
		        {
		            document.getElementById('hauptmenuleft').className='menudown';
		            document.getElementById('hauptmenumitte').className='menudefault';
		            document.getElementById('hauptmenuright').className='menudefault';
		        }
		        else
		        {
		            document.getElementById('hauptmenuleft').className='menuover';
		        }		    
		    }
		    
		    function showsubmenuleft()
		    {	    
		        var a=document.getElementById('hauptmenuleft');
		        if(a.className=='menudown' || a.className=='menuover')	        
		            {
		                document.getElementById('submenuleft').style.display='block';
		                document.getElementById('hauptmenuleft').className='menuover';
		            }		        
		        else
		            {
		                document.getElementById('submenuleft').style.display='none';
		            }
		          	        
         	    }	    
		    
		    function hiddsubmenuleft()
		    {    
		        var a = document.getElementById('submenuleftlist');
		        var b = document.getElementById('hauptmenuleft');
		        if(b.className == 'menuover')
		        {	 
		            if(a.className == 'submenuleftdefault')
		            {
		                document.getElementById('submenuleft').style.display='none';
		                document.getElementById('hauptmenuleft').className='menudown';	
		            }
		            else
		            {	
		                document.getElementById('submenuleft').style.display='block';
		            }  
		        }  
		    }
		    
		    
		    // mitte menu    	    
		    function menuauswaehlenmitte()
		    {   
		        var a=document.getElementById('hauptmenumitte');
		        if (a.className=='menudefault')
		        {
		            document.getElementById('hauptmenumitte').className='menudown';
		            document.getElementById('hauptmenuleft').className='menudefault';
		            document.getElementById('hauptmenuright').className='menudefault';
		        }
		        else
		        {
		            document.getElementById('hauptmenumitte').className='menuover';
		        }		    
		    }
		    
		    function showsubmenumitte()
		    {	    
		        var a=document.getElementById('hauptmenumitte');
		        if(a.className=='menudown' || a.className=='menuover')	        
		            {document.getElementById('submenumitte').style.display='block';
		            document.getElementById('hauptmenumitte').className='menuover';}		        
		        else
		            {document.getElementById('submenumitte').style.display='none';}
		          	        
         	    }	    
		    
		    function hiddsubmenumitte()
		    {    
		        var a = document.getElementById('submenumittelist');
		        var b = document.getElementById('hauptmenumitte');
		        if(b.className == 'menuover')
		        {	 
		            if(a.className == 'submenumittedefault')
		            {
		                document.getElementById('submenumitte').style.display='none';
		                document.getElementById('hauptmenumitte').className='menudown';	
		            }
		            else
		            {	
		                document.getElementById('submenumitte').style.display='block';
		            }  
		        }  
		    }
		    
		    
		    // right menu	    
		    function menuauswaehlenright()
		    {   
		        var a=document.getElementById('hauptmenuright');
		        if (a.className=='menudefault')
		        {
		            document.getElementById('hauptmenuright').className='menudown';
		            document.getElementById('hauptmenumitte').className='menudefault';
		            document.getElementById('hauptmenuleft').className='menudefault';
		        }
		        else
		        {
		            document.getElementById('hauptmenuright').className='menuover';
		        }		    
		    }
		    
		    function showsubmenuright()
		    {	    
		        var a=document.getElementById('hauptmenuright');
		        if(a.className=='menudown' || a.className=='menuover')	        
		            {document.getElementById('submenuright').style.display='block';
		            document.getElementById('hauptmenuright').className='menuover';}		        
		        else
		            {document.getElementById('submenuright').style.display='none';}
		          	        
         	    }	    
		    
		    function hiddsubmenuright()
		    {    
		        var a = document.getElementById('submenurightlist');
		        var b = document.getElementById('hauptmenuright');
		        if(b.className == 'menuover')
		        {	 
		            if(a.className == 'submenurightdefault')
		            {
		                document.getElementById('submenuright').style.display='none';
		                document.getElementById('hauptmenuright').className='menudown';	
		            }
		            else
		            {	
		                document.getElementById('submenuright').style.display='block';
		            }  
		        }  
		    }