var el = document.getElementById("menu36");  
 																
                                                                if (el.addEventListener) // Mozilla, Netscape, Firefox
                                                                {
                                                                     
                                                                        el.addEventListener('mouseover', menuHover, false);
                                                                        el.parentId     = '36';
                                                                        el.bulletHover  = 'http://www.ith.nl/htmlarea/uploaded/image/bullet/bullet.jpg';
                                                                        el.menuHover    = '';
                                                                        el.bulletHover2 = '';
                                                                        el.classH        = 'topmenu_menuhover';
                                                                 }
                                                                 else
                                                                 if (el.attachEvent)
                                                                 {                                                          
                                                                        
                                                                 
                                                                        el.attachEvent('onmouseover', menuHover);
                                                                        el.parentId     = '36';
                                                                        el.bulletHover  = 'http://www.ith.nl/htmlarea/uploaded/image/bullet/bullet.jpg';
                                                                        el.menuHover    = '';
                                                                        el.bulletHover2 = '';
                                                                        el.classH        = 'topmenu_menuhover';
                                                                  }
                                                                  
                                                                //on mouse out  
                                                                
                                                                if (el.addEventListener) 
                                                                {
                                                                     
                                                                        el.addEventListener('mouseout', menuOut, false);
                                                                        el.parentIdO     = '36';
                                                                        el.bulletHoverO  = 'http://www.ith.nl/htmlarea/uploaded/image/bullet/bullet.jpg';
                                                                        el.menuHoverO    = '';
                                                                        el.bulletHover2O = '';
                                                                        el.classO        = 'topmenu_menuactive';
                                                                        
                                                                 }
                                                                 else
                                                                 if (el.attachEvent)
                                                                 {
                                                                        el.attachEvent('onmouseout', menuOut);
                                                                        el.parentIdO     = '36';
                                                                        el.bulletHoverO  = 'http://www.ith.nl/htmlarea/uploaded/image/bullet/bullet.jpg';
                                                                        el.menuHoverO    = '';
                                                                        el.bulletHover2O = '';
                                                                        el.classO        = 'topmenu_menuactive';
                                                                  }                                                                  
                                                                  
                                                                
                                                           
                                                            
                                                           
                                                                var el = document.getElementById("menu2");  
 																
                                                                if (el.addEventListener) // Mozilla, Netscape, Firefox
                                                                {
                                                                     
                                                                        el.addEventListener('mouseover', menuHover, false);
                                                                        el.parentId     = '2';
                                                                        el.bulletHover  = 'http://www.ith.nl/htmlarea/uploaded/image/bullet/bullet.jpg';
                                                                        el.menuHover    = '';
                                                                        el.bulletHover2 = '';
                                                                        el.classH        = 'topmenu_menuhover';
                                                                 }
                                                                 else
                                                                 if (el.attachEvent)
                                                                 {                                                          
                                                                        
                                                                 
                                                                        el.attachEvent('onmouseover', menuHover);
                                                                        el.parentId     = '2';
                                                                        el.bulletHover  = 'http://www.ith.nl/htmlarea/uploaded/image/bullet/bullet.jpg';
                                                                        el.menuHover    = '';
                                                                        el.bulletHover2 = '';
                                                                        el.classH        = 'topmenu_menuhover';
                                                                  }
                                                                  
                                                                //on mouse out  
                                                                
                                                                if (el.addEventListener) 
                                                                {
                                                                     
                                                                        el.addEventListener('mouseout', menuOut, false);
                                                                        el.parentIdO     = '2';
                                                                        el.bulletHoverO  = 'http://www.ith.nl/htmlarea/uploaded/image/bullet/bullet.jpg';
                                                                        el.menuHoverO    = '';
                                                                        el.bulletHover2O = '';
                                                                        el.classO        = 'topmenu_menu';
                                                                        
                                                                 }
                                                                 else
                                                                 if (el.attachEvent)
                                                                 {
                                                                        el.attachEvent('onmouseout', menuOut);
                                                                        el.parentIdO     = '2';
                                                                        el.bulletHoverO  = 'http://www.ith.nl/htmlarea/uploaded/image/bullet/bullet.jpg';
                                                                        el.menuHoverO    = '';
                                                                        el.bulletHover2O = '';
                                                                        el.classO        = 'topmenu_menu';
                                                                  }                                                                  
                                                                  
                                                                
                                                           
                                                            
                                                           
                                                                var el = document.getElementById("menu3");  
 																
                                                                if (el.addEventListener) // Mozilla, Netscape, Firefox
                                                                {
                                                                     
                                                                        el.addEventListener('mouseover', menuHover, false);
                                                                        el.parentId     = '3';
                                                                        el.bulletHover  = 'http://www.ith.nl/htmlarea/uploaded/image/bullet/bullet.jpg';
                                                                        el.menuHover    = '';
                                                                        el.bulletHover2 = '';
                                                                        el.classH        = 'topmenu_menuhover';
                                                                 }
                                                                 else
                                                                 if (el.attachEvent)
                                                                 {                                                          
                                                                        
                                                                 
                                                                        el.attachEvent('onmouseover', menuHover);
                                                                        el.parentId     = '3';
                                                                        el.bulletHover  = 'http://www.ith.nl/htmlarea/uploaded/image/bullet/bullet.jpg';
                                                                        el.menuHover    = '';
                                                                        el.bulletHover2 = '';
                                                                        el.classH        = 'topmenu_menuhover';
                                                                  }
                                                                  
                                                                //on mouse out  
                                                                
                                                                if (el.addEventListener) 
                                                                {
                                                                     
                                                                        el.addEventListener('mouseout', menuOut, false);
                                                                        el.parentIdO     = '3';
                                                                        el.bulletHoverO  = 'http://www.ith.nl/htmlarea/uploaded/image/bullet/bullet.jpg';
                                                                        el.menuHoverO    = '';
                                                                        el.bulletHover2O = '';
                                                                        el.classO        = 'topmenu_menu';
                                                                        
                                                                 }
                                                                 else
                                                                 if (el.attachEvent)
                                                                 {
                                                                        el.attachEvent('onmouseout', menuOut);
                                                                        el.parentIdO     = '3';
                                                                        el.bulletHoverO  = 'http://www.ith.nl/htmlarea/uploaded/image/bullet/bullet.jpg';
                                                                        el.menuHoverO    = '';
                                                                        el.bulletHover2O = '';
                                                                        el.classO        = 'topmenu_menu';
                                                                  }                                                                  
                                                                  
                                                                
                                                           
                                                            
                                                           
                                                                var el = document.getElementById("menu4");  
 																
                                                                if (el.addEventListener) // Mozilla, Netscape, Firefox
                                                                {
                                                                     
                                                                        el.addEventListener('mouseover', menuHover, false);
                                                                        el.parentId     = '4';
                                                                        el.bulletHover  = 'http://www.ith.nl/htmlarea/uploaded/image/bullet/bullet.jpg';
                                                                        el.menuHover    = '';
                                                                        el.bulletHover2 = '';
                                                                        el.classH        = 'topmenu_menuhover';
                                                                 }
                                                                 else
                                                                 if (el.attachEvent)
                                                                 {                                                          
                                                                        
                                                                 
                                                                        el.attachEvent('onmouseover', menuHover);
                                                                        el.parentId     = '4';
                                                                        el.bulletHover  = 'http://www.ith.nl/htmlarea/uploaded/image/bullet/bullet.jpg';
                                                                        el.menuHover    = '';
                                                                        el.bulletHover2 = '';
                                                                        el.classH        = 'topmenu_menuhover';
                                                                  }
                                                                  
                                                                //on mouse out  
                                                                
                                                                if (el.addEventListener) 
                                                                {
                                                                     
                                                                        el.addEventListener('mouseout', menuOut, false);
                                                                        el.parentIdO     = '4';
                                                                        el.bulletHoverO  = 'http://www.ith.nl/htmlarea/uploaded/image/bullet/bullet.jpg';
                                                                        el.menuHoverO    = '';
                                                                        el.bulletHover2O = '';
                                                                        el.classO        = 'topmenu_menu';
                                                                        
                                                                 }
                                                                 else
                                                                 if (el.attachEvent)
                                                                 {
                                                                        el.attachEvent('onmouseout', menuOut);
                                                                        el.parentIdO     = '4';
                                                                        el.bulletHoverO  = 'http://www.ith.nl/htmlarea/uploaded/image/bullet/bullet.jpg';
                                                                        el.menuHoverO    = '';
                                                                        el.bulletHover2O = '';
                                                                        el.classO        = 'topmenu_menu';
                                                                  }                                                                  
                                                                  
                                                                
                                                           
                                                            
                                                           
                                                                var el = document.getElementById("menu22");  
 																
                                                                if (el.addEventListener) // Mozilla, Netscape, Firefox
                                                                {
                                                                     
                                                                        el.addEventListener('mouseover', menuHover, false);
                                                                        el.parentId     = '22';
                                                                        el.bulletHover  = 'http://www.ith.nl/htmlarea/uploaded/image/bullet/pijl_links_active.jpg';
                                                                        el.menuHover    = '';
                                                                        el.bulletHover2 = '';
                                                                        el.classH        = 'menu_intro_menuhover';
                                                                 }
                                                                 else
                                                                 if (el.attachEvent)
                                                                 {                                                          
                                                                        
                                                                 
                                                                        el.attachEvent('onmouseover', menuHover);
                                                                        el.parentId     = '22';
                                                                        el.bulletHover  = 'http://www.ith.nl/htmlarea/uploaded/image/bullet/pijl_links_active.jpg';
                                                                        el.menuHover    = '';
                                                                        el.bulletHover2 = '';
                                                                        el.classH        = 'menu_intro_menuhover';
                                                                  }
                                                                  
                                                                //on mouse out  
                                                                
                                                                if (el.addEventListener) 
                                                                {
                                                                     
                                                                        el.addEventListener('mouseout', menuOut, false);
                                                                        el.parentIdO     = '22';
                                                                        el.bulletHoverO  = 'http://www.ith.nl/htmlarea/uploaded/image/bullet/pijl_links_active.jpg';
                                                                        el.menuHoverO    = '';
                                                                        el.bulletHover2O = '';
                                                                        el.classO        = 'menu_intro_menuactive';
                                                                        
                                                                 }
                                                                 else
                                                                 if (el.attachEvent)
                                                                 {
                                                                        el.attachEvent('onmouseout', menuOut);
                                                                        el.parentIdO     = '22';
                                                                        el.bulletHoverO  = 'http://www.ith.nl/htmlarea/uploaded/image/bullet/pijl_links_active.jpg';
                                                                        el.menuHoverO    = '';
                                                                        el.bulletHover2O = '';
                                                                        el.classO        = 'menu_intro_menuactive';
                                                                  }                                                                  
                                                                  
                                                                
                                                           
                                                            
                                                           
                                                                var el = document.getElementById("menu24");  
 																
                                                                if (el.addEventListener) // Mozilla, Netscape, Firefox
                                                                {
                                                                     
                                                                        el.addEventListener('mouseover', menuHover, false);
                                                                        el.parentId     = '24';
                                                                        el.bulletHover  = 'http://www.ith.nl/htmlarea/uploaded/image/bullet/pijl_links_active.jpg';
                                                                        el.menuHover    = '';
                                                                        el.bulletHover2 = '';
                                                                        el.classH        = 'menu_intro_menuhover';
                                                                 }
                                                                 else
                                                                 if (el.attachEvent)
                                                                 {                                                          
                                                                        
                                                                 
                                                                        el.attachEvent('onmouseover', menuHover);
                                                                        el.parentId     = '24';
                                                                        el.bulletHover  = 'http://www.ith.nl/htmlarea/uploaded/image/bullet/pijl_links_active.jpg';
                                                                        el.menuHover    = '';
                                                                        el.bulletHover2 = '';
                                                                        el.classH        = 'menu_intro_menuhover';
                                                                  }
                                                                  
                                                                //on mouse out  
                                                                
                                                                if (el.addEventListener) 
                                                                {
                                                                     
                                                                        el.addEventListener('mouseout', menuOut, false);
                                                                        el.parentIdO     = '24';
                                                                        el.bulletHoverO  = 'http://www.ith.nl/htmlarea/uploaded/image/bullet/pijl_links.jpg';
                                                                        el.menuHoverO    = '';
                                                                        el.bulletHover2O = '';
                                                                        el.classO        = 'menu_intro_menu';
                                                                        
                                                                 }
                                                                 else
                                                                 if (el.attachEvent)
                                                                 {
                                                                        el.attachEvent('onmouseout', menuOut);
                                                                        el.parentIdO     = '24';
                                                                        el.bulletHoverO  = 'http://www.ith.nl/htmlarea/uploaded/image/bullet/pijl_links.jpg';
                                                                        el.menuHoverO    = '';
                                                                        el.bulletHover2O = '';
                                                                        el.classO        = 'menu_intro_menu';
                                                                  }                                                                  
                                                                  
                                                                
                                                           
                                                            
                                                           
                                                                var el = document.getElementById("menu25");  
 																
                                                                if (el.addEventListener) // Mozilla, Netscape, Firefox
                                                                {
                                                                     
                                                                        el.addEventListener('mouseover', menuHover, false);
                                                                        el.parentId     = '25';
                                                                        el.bulletHover  = 'http://www.ith.nl/htmlarea/uploaded/image/bullet/pijl_links_active.jpg';
                                                                        el.menuHover    = '';
                                                                        el.bulletHover2 = '';
                                                                        el.classH        = 'menu_intro_menuhover';
                                                                 }
                                                                 else
                                                                 if (el.attachEvent)
                                                                 {                                                          
                                                                        
                                                                 
                                                                        el.attachEvent('onmouseover', menuHover);
                                                                        el.parentId     = '25';
                                                                        el.bulletHover  = 'http://www.ith.nl/htmlarea/uploaded/image/bullet/pijl_links_active.jpg';
                                                                        el.menuHover    = '';
                                                                        el.bulletHover2 = '';
                                                                        el.classH        = 'menu_intro_menuhover';
                                                                  }
                                                                  
                                                                //on mouse out  
                                                                
                                                                if (el.addEventListener) 
                                                                {
                                                                     
                                                                        el.addEventListener('mouseout', menuOut, false);
                                                                        el.parentIdO     = '25';
                                                                        el.bulletHoverO  = 'http://www.ith.nl/htmlarea/uploaded/image/bullet/pijl_links.jpg';
                                                                        el.menuHoverO    = '';
                                                                        el.bulletHover2O = '';
                                                                        el.classO        = 'menu_intro_menu';
                                                                        
                                                                 }
                                                                 else
                                                                 if (el.attachEvent)
                                                                 {
                                                                        el.attachEvent('onmouseout', menuOut);
                                                                        el.parentIdO     = '25';
                                                                        el.bulletHoverO  = 'http://www.ith.nl/htmlarea/uploaded/image/bullet/pijl_links.jpg';
                                                                        el.menuHoverO    = '';
                                                                        el.bulletHover2O = '';
                                                                        el.classO        = 'menu_intro_menu';
                                                                  }