function isViewletCompliant()
{
  answer=true;
  version=Math.round(parseFloat(navigator.appVersion) * 1000);
  if (navigator.appName.substring(0,9) == "Microsoft")
  {
    if(version<4000) answer=false;
  }
  if (navigator.appName.substring(0,8) == "Netscape")
  {
    if ((navigator.appVersion.indexOf("Mac")> 0) && (version<5000))
      answer=false;
    else
    if (version<4060)
      answer=false;
  }

  plugins=navigator.plugins;
  if (answer==false && plugins!=null)
  {
    for(i=0;i!=plugins.length;i++)
    if((plugins[i].name.indexOf("Java Plug-in")>=0) && (plugins[i].name.indexOf("1.0")<0))
    answer=true;
  }
  return answer;
}

function openViewlet(htmlFile,htmlWidth,htmlHeight)
{
  str = 'resizable=0,toolbar=0,menubar=0,';
  str = str + 'scrollbars=0,status=0,location=0,directory=0,width=350,height=200';

  version=Math.round(parseFloat(navigator.appVersion) * 1000);

  if(navigator.appName.indexOf("Konqueror")!=-1) // konqueror
  {
    htmlWidth+=5;
    htmlHeight+=105;
  }

  if(navigator.appName.indexOf("Netscape")!=-1)
  {
    if(version>=5000)
    {
      if(navigator.appVersion.indexOf("Mac")!=-1) // Netscape 6+ on Mac
      {
        htmlHeight+=5;
      }
    }
  }
	
  if(navigator.appName.indexOf("Microsoft")!=-1)
  {
	if(navigator.appVersion.indexOf("Mac")!=-1) // IE on Mac
	{
	 htmlWidth -= 11;
	 htmlHeight -= 11;
	}
  }
  if(!isViewletCompliant())
  {
    open("http://www.qarbon.com/warning/index.html",'Leelou',str);
  }
  else
  {
     window.open(htmlFile,'Leelou','width='+htmlWidth+',height='+htmlHeight+',top=10,left=20');
  }
}