//Browser detection  
    var browser = '';
    var version = '';
    var entrance = '';
    var cond = '';
  
    // BROWSER?
    if (browser == '')
    {
      if (navigator.appName.indexOf('Microsoft') != -1)
      {
        browser = 'IE';
      }
      else if (navigator.appName.indexOf('Netscape') != -1)
      {
        browser = 'Netscape';
      }
      else { browser = 'IE'; }
    }
    if (version == '')
    {
      version= navigator.appVersion;
      paren = version.indexOf('(');
      whole_version = navigator.appVersion.substring(0,paren-1);
      version = parseInt(whole_version);
    }
    if(navigator.appVersion.indexOf('MSIE 7')!=-1)
    {
      browser = 'IE';
      version = 7;
    }
    else if(navigator.appVersion.indexOf('MSIE 6')!=-1)
    {
      browser = 'IE';
      version = 6;
    }
    //alert(navigator.appName+"$"+navigator.appVersion);
    if (browser == 'IE' && version == 7) 
    {
      document.write('<link rel="stylesheet" href="App_Themes/LayoutExplorer.css" type="text/css" />');
      document.write('<link rel="stylesheet" href="App_Themes/ElementsExplorer.css" type="text/css" />');
    }
    else if (browser == 'IE' && version <= 6) 
    {
      document.write('<link rel="stylesheet" href="App_Themes/LayoutExplorer6.css" type="text/css" />');
      document.write('<link rel="stylesheet" href="App_Themes/ElementsExplorer6.css" type="text/css" />');
    }    
    else if (browser == 'Netscape' && version >= 2.02) 
    {
      document.write('<link rel="stylesheet" href="App_Themes/LayoutFirefox.css" type="text/css" />');
      document.write('<link rel="stylesheet" href="App_Themes/ElementsFirefox.css" type="text/css" />');
    }
    else
    {
      document.write('<link rel="stylesheet" href="App_Themes/LayoutFirefox.css" type="text/css" />');
      document.write('<link rel="stylesheet" href="App_Themes/ElementsFirefox.css" type="text/css" />');    
    }
    
    //alert(browser+"$"+version);