function fLoadMenu(div)
{
	document.getElementById(div).style.display = 'block';
}
function fHideMenu(div)
{
	document.getElementById(div).style.display = 'none';;
}
// get browser//

var detect = navigator.userAgent.toLowerCase(); 
  var OS, browser, total, thestring, vers, pos, possemi, part; 

  function getBrowser() 
  { 
    if (checkIt('konqueror')) browser = 'Konqueror'; 
    else if (checkIt('safari')) browser = 'Safari'; 
    else if (checkIt('omniweb')) browser = 'OmniWeb'; 
    else if (checkIt('opera')) 
    { 
      pos = detect.indexOf('opera') + 6; 
      possemi = detect.indexOf(';') + 6; 
      vers = detect.substring(pos, pos + 3); 
      browser = 'Opera ' + vers; 
    } 
    else if (checkIt('webtv')) browser = 'WebTV'; 
    else if (checkIt('icab')) browser = 'iCab'; 
    else if (checkIt('msie')) 
    { 
      pos = detect.indexOf('msie') + 5; 
      part = detect.substring(pos, detect.length); 
      possemi = part.indexOf(';'); 
      vers = detect.substring(pos, (pos + possemi)); 
      
      if(vers == 6)
      {	
	      if (confirm('U heeft een verouderde browser. Daardoor wordt deze website niet optimaal ondersteund. Wilt u de nieuwste browser nu downloaden?')) { window.open('http://www.microsoft.com/netherlands/windows/internet-explorer/default.aspx'); void('') } else { void('') };    
		 		
	  }
      browser = 'Internet Explorer ' + vers; 
    } 
    else if (!checkIt('compatible')) 
    { 
      pos = detect.indexOf('netscape/'); 

      if (pos > 0) 
      { 
        pos = pos + 9; 
        part = detect.substring(pos, detect.length); 
        possemi = part.indexOf(' '); 
        vers = detect.substring(pos, (pos + possemi)); 
        browser = 'Netscape Navigator ' + vers; 
      } 
      else 
      { 
        if (checkIt('rv:')) 
        { 
          pos = detect.indexOf('rv:') + 3; 
          part = detect.substring(pos, detect.length); 
          possemi = part.indexOf(')'); 
          vers = detect.substring(pos, (pos + possemi)); 
          browser = 'Mozilla ' + vers; 
        } 
        else 
        { 
          vers = parseFloat(navigator.appVersion); 
          browser = 'Netscape Navigator ' + vers; 
        } 
      } 
    } 

    else browser = 'unknown Internet browser'; 
    return browser; 
  } 

  function getOS() 
  { 
    if (checkIt('konqueror')) browser = 'Konqueror'; 
    else if (checkIt('linux')) OS = 'Linux'; 
    else if (checkIt('x11')) OS = 'Unix'; 
    else if (checkIt('mac')) OS = 'Mac' 
    else if (checkIt('win')) OS = 'Windows' 
    else OS = 'unknown'; 

    return OS; 
  } 

  function checkIt(string) 
  { 
      place = detect.indexOf(string) + 1; 
      thestring = string; 
      return place; 
  } 

// end get browser//