'------fix for IEs lack of support for the :hover pseudo class --------' 
    navigatieHoverFix = function(){
      if (document.all && document.getElementById)
        { navRoot = document.getElementById("navList");
          for ( i=0 ; i<navRoot.childNodes.length; i++)
            { node = navRoot.childNodes[i];
              if (node.nodeName == "LI")
                { node.onmouseover = function(){this.className += " over"; }
                  node.onmouseout = function(){this.className = this.className.replace(" over","");}
                }
            }
        }    
    }        
    window.onload = navigatieHoverFix;