function activateMenu(nav)
{
    if(document.getElementById(nav)) 
    {  
        var navroot = document.getElementById(nav);
		navroot.style.display="block";
    }
}

function deactivateMenu(nav)
{
    if(document.getElementById(nav)) 
    {  
        var navroot = document.getElementById(nav);
		navroot.style.display="none";
    }
}

function activateMenu2(nav)
{
    if(document.getElementById(nav)) 
    {  
        var navroot = document.getElementById(nav);
        var lis=navroot.getElementsByTagName("LI");  
        for (i=0; i<lis.length; i++) 
        {
            if(lis[i].lastChild.tagName=="UL")
            {
                lis[i].onmouseover=function() 
                {    
                    //document.getElementById('content').disabled = "on";
                    //alert(this.lastChild.tagName);
                    this.lastChild.style.display="block";
                }
                lis[i].onmouseout=function() 
                {
                    this.lastChild.style.display="none";
                    //document.getElementById('content').unselectable = "off";                    
                }
            }
        }
    }
}