//<!--
// Ultimate client-side JavaScript client sniff. Version 3.03
// (C) Netscape Communications 1999.  Permission granted to reuse and distribute.
// Revised 17 May 99 to add is_nav5up and is_ie5up (see below).
// Revised 20 Dec 00 to add is_gecko and change is_nav5up to is_nav6up
//                      also added support for IE5.5 Opera4&5 HotJava3 AOLTV
// Revised 22 Feb 01 to correct Javascript Detection for IE 5.x, Opera 4, 
//                      correct Opera 5 detection
//                      add support for winME and win2k
//                      synch with browser-type-oo.js
// Revised 26 Mar 01 to correct Opera detection
// Revised 02 Oct 01 to add IE6 detection

// Everything you always wanted to know about your JavaScript client
// but were afraid to ask. Creates "is_" variables indicating:
// (1) browser vendor:
//     is_nav, is_ie, is_opera, is_hotjava, is_webtv, is_TVNavigator, is_AOLTV
// (2) browser version number:
//     is_major (integer indicating major version number: 2, 3, 4 ...)
//     is_minor (float   indicating full  version number: 2.02, 3.01, 4.04 ...)
// (3) browser vendor AND major version number
//     is_nav2, is_nav3, is_nav4, is_nav4up, is_nav6, is_nav6up, is_gecko, is_ie3,
//     is_ie4, is_ie4up, is_ie5, is_ie5up, is_ie5_5, is_ie5_5up, is_ie6, is_ie6up, is_hotjava3, is_hotjava3up,
//     is_opera2, is_opera3, is_opera4, is_opera5, is_opera5up, is_aol3, is_aol4, is_aol5, is_aol6
// (4) JavaScript version number:
//     is_js (float indicating full JavaScript version number: 1, 1.1, 1.2 ...)
// (5) OS platform and version:
//     is_win, is_win16, is_win32, is_win31, is_win95, is_winnt, is_win98, is_winme, is_win2k
//     is_os2
//     is_mac, is_mac68k, is_macppc
//     is_unix
//     is_sun, is_sun4, is_sun5, is_suni86
//     is_irix, is_irix5, is_irix6
//     is_hpux, is_hpux9, is_hpux10
//     is_aix, is_aix1, is_aix2, is_aix3, is_aix4
//     is_linux, is_sco, is_unixware, is_mpras, is_reliant
//     is_dec, is_sinix, is_freebsd, is_bsd
//     is_vms
//
// See http://www.it97.de/JavaScript/JS_tutorial/bstat/navobj.html and
// http://www.it97.de/JavaScript/JS_tutorial/bstat/Browseraol.html
// for detailed lists of userAgent strings.
//
// Note: you don't want your Nav4 or IE4 code to "turn off" or
// stop working when new versions of browsers are released, so
// in conditional code forks, use is_ie5up ("IE 5.0 or greater") 
// is_opera5up ("Opera 5.0 or greater") instead of is_ie5 or is_opera5
// to check version in code which you want to work on future
// versions.

    // convert all characters to lowercase to simplify testing
    var agt=navigator.userAgent.toLowerCase();

    // *** BROWSER VERSION ***
    // Note: On IE5, these return 4, so use is_ie5up to detect IE5.
    var is_major = parseInt(navigator.appVersion);
    var is_minor = parseFloat(navigator.appVersion);

    // Note: Opera and WebTV spoof Navigator.  We do strict client detection.
    // If you want to allow spoofing, take out the tests for opera and webtv.
    var is_nav  = ((agt.indexOf('mozilla')!=-1) && (agt.indexOf('spoofer')==-1)
                && (agt.indexOf('compatible') == -1) && (agt.indexOf('opera')==-1)
                && (agt.indexOf('webtv')==-1) && (agt.indexOf('hotjava')==-1));
    var is_nav2 = (is_nav && (is_major == 2));
    var is_nav3 = (is_nav && (is_major == 3));
    var is_nav4 = (is_nav && (is_major == 4));
    var is_nav4up = (is_nav && (is_major >= 4));
    var is_navonly      = (is_nav && ((agt.indexOf(";nav") != -1) ||
                          (agt.indexOf("; nav") != -1)) );
    var is_nav6 = (is_nav && (is_major == 5)); // Mozilla 5 -- Mozilla 1.4
    var is_nav6up = (is_nav && (is_major >= 5));
    var is_gecko = (agt.indexOf('gecko') != -1);
   


    var is_ie     = ((agt.indexOf("msie") != -1) && (agt.indexOf("opera") == -1));
    var is_ie3    = (is_ie && (is_major < 4));
    var is_ie4    = (is_ie && (is_major == 4) && (agt.indexOf("msie 4")!=-1) );
    var is_ie4up  = (is_ie && (is_major >= 4));
    var is_ie5    = (is_ie && (is_major == 4) && (agt.indexOf("msie 5.0")!=-1) );
    var is_ie5_5  = (is_ie && (is_major == 4) && (agt.indexOf("msie 5.5") !=-1));
    var is_ie5up  = (is_ie && !is_ie3 && !is_ie4);
    var is_ie5_5up =(is_ie && !is_ie3 && !is_ie4 && !is_ie5);
    var is_ie6    = (is_ie && (is_major == 4) && (agt.indexOf("msie 6.")!=-1) );
    var is_ie6up  = (is_ie && !is_ie3 && !is_ie4 && !is_ie5 && !is_ie5_5);

    // KNOWN BUG: On AOL4, returns false if IE3 is embedded browser
    // or if this is the first browser window opened.  Thus the
    // variables is_aol, is_aol3, and is_aol4 aren't 100% reliable.
    var is_aol   = (agt.indexOf("aol") != -1);
    var is_aol3  = (is_aol && is_ie3);
    var is_aol4  = (is_aol && is_ie4);
    var is_aol5  = (agt.indexOf("aol 5") != -1);
    var is_aol6  = (agt.indexOf("aol 6") != -1);

    var is_opera = (agt.indexOf("opera") != -1);
    var is_opera2 = (agt.indexOf("opera 2") != -1 || agt.indexOf("opera/2") != -1);
    var is_opera3 = (agt.indexOf("opera 3") != -1 || agt.indexOf("opera/3") != -1);
    var is_opera4 = (agt.indexOf("opera 4") != -1 || agt.indexOf("opera/4") != -1);
    var is_opera5 = (agt.indexOf("opera 5") != -1 || agt.indexOf("opera/5") != -1);
    //
    // identificazione opera 6 e 7
    //
    var is_opera6 = (agt.indexOf("opera 6") != -1 || agt.indexOf("opera/6") != -1);
    var is_opera7 = (agt.indexOf("opera 7") != -1 || agt.indexOf("opera/7") != -1);
    var is_opera5up = (is_opera && !is_opera2 && !is_opera3 && !is_opera4);
    //
    // test su versione di opera > 6
	//
	var is_opera6up = (is_opera && !is_opera3 && !is_opera4 && !is_opera5);
	var is_opera7up = (is_opera && !is_opera4 && !is_opera5 && !is_opera6);

    var is_webtv = (agt.indexOf("webtv") != -1); 

    var is_TVNavigator = ((agt.indexOf("navio") != -1) || (agt.indexOf("navio_aoltv") != -1)); 
    var is_AOLTV = is_TVNavigator;

    var is_hotjava = (agt.indexOf("hotjava") != -1);
    var is_hotjava3 = (is_hotjava && (is_major == 3));
    var is_hotjava3up = (is_hotjava && (is_major >= 3));

    // *** JAVASCRIPT VERSION CHECK ***
    var is_js;
    if (is_nav2 || is_ie3) is_js = 1.0;
    else if (is_nav3) is_js = 1.1;
    else if (is_opera5up) is_js = 1.3;
    else if (is_opera) is_js = 1.1;
    else if ((is_nav4 && (is_minor <= 4.05)) || is_ie4) is_js = 1.2;
    else if ((is_nav4 && (is_minor > 4.05)) || is_ie5) is_js = 1.3;
    else if (is_hotjava3up) is_js = 1.4;
    else if (is_nav6 || is_gecko) is_js = 1.5;
    // NOTE: In the future, update this code when newer versions of JS
    // are released. For now, we try to provide some upward compatibility
    // so that future versions of Nav and IE will show they are at
    // *least* JS 1.x capable. Always check for JS version compatibility
    // with > or >=.
    else if (is_nav6up) is_js = 1.5;
    // NOTE: ie5up on mac is 1.4
    else if (is_ie5up) is_js = 1.3

    // HACK: no idea for other browsers; always check for JS version with > or >=
    else is_js = 0.0;

    // *** PLATFORM ***
    var is_win   = ( (agt.indexOf("win")!=-1) || (agt.indexOf("16bit")!=-1) );
    // NOTE: On Opera 3.0, the userAgent string includes "Windows 95/NT4" on all
    //        Win32, so you can't distinguish between Win95 and WinNT.
    var is_win95 = ((agt.indexOf("win95")!=-1) || (agt.indexOf("windows 95")!=-1));

    // is this a 16 bit compiled version?
    var is_win16 = ((agt.indexOf("win16")!=-1) || 
               (agt.indexOf("16bit")!=-1) || (agt.indexOf("windows 3.1")!=-1) || 
               (agt.indexOf("windows 16-bit")!=-1) );  

    var is_win31 = ((agt.indexOf("windows 3.1")!=-1) || (agt.indexOf("win16")!=-1) ||
                    (agt.indexOf("windows 16-bit")!=-1));

    var is_winme = ((agt.indexOf("win 9x 4.90")!=-1));
    var is_win2k = ((agt.indexOf("windows nt 5.0")!=-1));

    // NOTE: Reliable detection of Win98 may not be possible. It appears that:
    //       - On Nav 4.x and before you'll get plain "Windows" in userAgent.
    //       - On Mercury client, the 32-bit version will return "Win98", but
    //         the 16-bit version running on Win98 will still return "Win95".
    var is_win98 = ((agt.indexOf("win98")!=-1) || (agt.indexOf("windows 98")!=-1));
    var is_winnt = ((agt.indexOf("winnt")!=-1) || (agt.indexOf("windows nt")!=-1));
    var is_win32 = (is_win95 || is_winnt || is_win98 || 
                    ((is_major >= 4) && (navigator.platform == "Win32")) ||
                    (agt.indexOf("win32")!=-1) || (agt.indexOf("32bit")!=-1));

    var is_os2   = ((agt.indexOf("os/2")!=-1) || 
                    (navigator.appVersion.indexOf("OS/2")!=-1) ||   
                    (agt.indexOf("ibm-webexplorer")!=-1));

    var is_mac    = (agt.indexOf("mac")!=-1);
    // hack ie5 js version for mac
    if (is_mac && is_ie5up) is_js = 1.4;
    var is_mac68k = (is_mac && ((agt.indexOf("68k")!=-1) || 
                               (agt.indexOf("68000")!=-1)));
    var is_macppc = (is_mac && ((agt.indexOf("ppc")!=-1) || 
                                (agt.indexOf("powerpc")!=-1)));

    var is_sun   = (agt.indexOf("sunos")!=-1);
    var is_sun4  = (agt.indexOf("sunos 4")!=-1);
    var is_sun5  = (agt.indexOf("sunos 5")!=-1);
    var is_suni86= (is_sun && (agt.indexOf("i86")!=-1));
    var is_irix  = (agt.indexOf("irix") !=-1);    // SGI
    var is_irix5 = (agt.indexOf("irix 5") !=-1);
    var is_irix6 = ((agt.indexOf("irix 6") !=-1) || (agt.indexOf("irix6") !=-1));
    var is_hpux  = (agt.indexOf("hp-ux")!=-1);
    var is_hpux9 = (is_hpux && (agt.indexOf("09.")!=-1));
    var is_hpux10= (is_hpux && (agt.indexOf("10.")!=-1));
    var is_aix   = (agt.indexOf("aix") !=-1);      // IBM
    var is_aix1  = (agt.indexOf("aix 1") !=-1);    
    var is_aix2  = (agt.indexOf("aix 2") !=-1);    
    var is_aix3  = (agt.indexOf("aix 3") !=-1);    
    var is_aix4  = (agt.indexOf("aix 4") !=-1);    
    var is_linux = (agt.indexOf("inux")!=-1);
    var is_sco   = (agt.indexOf("sco")!=-1) || (agt.indexOf("unix_sv")!=-1);
    var is_unixware = (agt.indexOf("unix_system_v")!=-1); 
    var is_mpras    = (agt.indexOf("ncr")!=-1); 
    var is_reliant  = (agt.indexOf("reliantunix")!=-1);
    var is_dec   = ((agt.indexOf("dec")!=-1) || (agt.indexOf("osf1")!=-1) || 
           (agt.indexOf("dec_alpha")!=-1) || (agt.indexOf("alphaserver")!=-1) || 
           (agt.indexOf("ultrix")!=-1) || (agt.indexOf("alphastation")!=-1)); 
    var is_sinix = (agt.indexOf("sinix")!=-1);
    var is_freebsd = (agt.indexOf("freebsd")!=-1);
    var is_bsd = (agt.indexOf("bsd")!=-1);
    var is_unix  = ((agt.indexOf("x11")!=-1) || is_sun || is_irix || is_hpux || 
                 is_sco ||is_unixware || is_mpras || is_reliant || 
                 is_dec || is_sinix || is_aix || is_linux || is_bsd || is_freebsd);

    var is_vms   = ((agt.indexOf("vax")!=-1) || (agt.indexOf("openvms")!=-1));

//--> end hide JavaScript


// Navigator 6 and up e Mozilla 5
  if (is_nav6up) {
  	 /*
  	  	document.write("  il valore di is_nav è : = " + is_nav);
  	    document.write("<br />");
  	  	document.write("  il valore di is_nav6up è : = " + is_nav6up);
  	  	document.write("<br />");
  		document.write("  il valore di is_gecko è : = " + is_gecko);
  		document.write("<br />");
  	*/	
  	 // document.write('<'+'link rel="stylesheet" type="text/css" href="style-nav6.css" />');
  	if (is_gecko && is_nav6up ) {
  	/*
  	    document.write("<br />");
  		document.write("sono nel test is_gecko& in_nav6up ");*/
  	    /*document.write("<link rel='stylesheet' href='example/sourcestyle.css' type='text/css' media='screen, print'  />"); */
  	  /*	document.write("<link rel='altenate stylesheet' href='example/sourcestyle.css' type='text/css' media='screen, print'  />"); */
  	  	document.write("<link rel='stylesheet' href='CSS2/MOZ/moz5_2colonne.css' type='text/css' media='screen ,aural' title='Pebbles' />"); 
  	  //  document.write("<link rel='alternate stylesheet' type='text/css' href='CSS/MOZ/moz5_card.css' media='screen' title='Fish' />");
  	  //  document.write("<link rel='alternate stylesheet' type='text/css' href='CSS/MOZ/moz5_bottle.css' media='screen' title='Bottle' />");
  	  /*  document.write("<link rel='stylesheet' type='text/css' href='example/print.css' media='print' />"); */

  	  /*
  	  	document.write("  il valore di is_nav è : = " + is_nav);
  	  	document.write("  il valore di is_nav6 è : = " + is_nav6);
  		document.write("  il valore di is_gecko è : = " + is_gecko);
  		**/
  	   }
  	else {
  		document.write("<link rel='stylesheet' href='CSS2/IE/index_NSSX.css' type='text/css' />");
  		/*
  		document.write("  il valore di is_nav è : = " + is_nav);
  		document.write("  il valore di is_nav6 è : = " + is_nav6);
  		document.write("  il valore di is_gecko è : = " + is_gecko);
  		*/
  	}	
   }
  // Navigator 4 no CSS solo testo
  else if (is_nav4) {
   // document.write('<'+'link rel="stylesheet" type="text/css" href="style-nav4.css" />');
  document.write("<link rel='stylesheet' href='CSS2/NS/index_NS4.css' type='text/css' />");
  /*document.write("list_menu_NS4.css in nav4");*/
  }
  // IE 6.01 e superiore
  else if (is_ie6up ) {
    /* document.write('<'+'link rel="stylesheet" type="text/css" href="style-ie5.css" />'); */
    
    /*
     document.write("<br />"); 
     document.write("<br />");
    	document.write("Sono in is_ie6up il valore di is_nav è : =" + is_nav);
  	    document.write("<br />");
  	  	document.write("  il valore di is_nav6up è : = " + is_nav6up);
  	  	document.write("<br />");
  		document.write("  il valore di is_gecko è : = " + is_gecko);
  		document.write("<br />");
  */
	document.write("<link rel='stylesheet' href='CSS2/IE/ie6_2colonne.css' type='text/css' media='screen, aural' title='Pebbles' />"); 
  //	document.write("<link rel='alternate stylesheet' type='text/css' href='CSS/IE/ie6_card.css' media='screen' title='Fish' />");
  //	document.write("<link rel='alternate stylesheet' type='text/css' href='CSS/IE/ie6_bottle.css' media='screen' title='Bottle' />");
   }
  // IE 6.0
  else if (is_ie6 ) {
   // document.write('<'+'link rel="stylesheet" type="text/css" href="style-ie5.css" />');
	/*	document.write("<link rel='stylesheet' href='example/sourcestyle.css' type='text/css' media='screen, print'  />"); */
 	/*
 		document.write("<br />"); 
     	document.write("<br />"); 
  	   	document.write("  Sono in is_ie6 il valore di is_nav è : = " + is_nav);
  	    document.write("<br />");
  	  	document.write("  il valore di is_nav6up è : = " + is_nav6up);
  	  	document.write("<br />");
	*/
  	document.write("<link rel='stylesheet' href='CSS2/IE/ie6_2colonne.css' type='text/css' media='screen, aural' title='Pebbles' />"); 
  //	document.write("<link rel='alternate stylesheet' type='text/css' href='CSS/IE/ie6_card.css' media='screen' title='Fish' />");
  //	document.write("<link rel='alternate stylesheet' type='text/css' href='CSS/IE/ie6_bottle.css' media='screen' title='Bottle' />");
   }
  // IE 5.5
  else if (is_ie5_5 ) {
   // document.write('<'+'link rel="stylesheet" type="text/css" href="style-ie5.css" />');
	document.write("<link rel='stylesheet' href='CSS2/IE/ie6_2colonne.css' type='text/css' media='screen, aural' title='Pebbles' />"); 
  //	document.write("<link rel='alternate stylesheet' type='text/css' href='CSS/IE/ie6_card.css' media='screen' title='Fish' />");
  //	document.write("<link rel='alternate stylesheet' type='text/css' href='CSS/IE/ie6_bottle.css' media='screen' title='Bottle' />");	
   }
  // IE 5 
  else if (is_ie5 ) {
   // document.write('<'+'link rel="stylesheet" type="text/css" href="style-ie5.css" />');
  document.write("<link rel='stylesheet' href='CSS2/IE/index_IESX.css' type='text/css' />");
    }
  // IE 4
  else if (is_ie4) {
    //document.write('<'+'link rel="stylesheet" type="text/css" href="style-ie4.css" />');
   document.write("<link rel='stylesheet' href='CSS2/IE/index_IESX.css' type='text/css' />");
    }
 
  // Opera
  //
  else if (is_opera)  {
  	 
  	if (is_opera7){
  	  	  	document.write("<link rel='stylesheet' href='CSS2/OPERA/op_2colonne.css' type='text/css' media='screen, aural' title='Pebbles' />"); 
		//  	document.write("<link rel='alternate stylesheet' type='text/css' href='CSS/OPERA/op_card.css' media='screen' title='Fish' />");
		  //	document.write("<link rel='alternate stylesheet' type='text/css' href='CSS/OPERA/op_bottle.css' media='screen' title='Bottle' />");
	}
	else if (is_opera6){
	    	document.write("<link rel='stylesheet' href='CSS2/OPERA/op_2colonne.css' type='text/css' media='screen, aural' title='Pebbles' />"); 
		  //	document.write("<link rel='alternate stylesheet' type='text/css' href='CSS/OPERA/op_card.css' media='screen' title='Fish' />");
		 // 	document.write("<link rel='alternate stylesheet' type='text/css' href='CSS/OPERA/op_bottle.css' media='screen' title='Bottle' />");
		/*
		  	  document.write("  Sono in is_opera6 <br/> il valore di is_opera6up è : = " + is_opera);
		  	  document.write("<br />");
		      document.write("Sono in is_opera il valore <br/>di <b>is_opera6</b>: = " + is_opera6);
		*/
	} 
	else if (is_opera5){
			document.write("<link rel='stylesheet' href='CSS2/OPERA/op_2colonne.css' type='text/css' media='screen, aural' title='Pebbles' />"); 
		 // 	document.write("<link rel='alternate stylesheet' type='text/css' href='CSS/OPERA/op_card.css' media='screen' title='Fish' />");
		//  	document.write("<link rel='alternate stylesheet' type='text/css' href='CSS/OPERA/op_bottle.css' media='screen' title='Bottle' />");
		/*
		  	   	document.write("  Sono in is_opera5 <br/> il valore di is_opera5up è : = " + is_opera);
		  	    document.write("<br />");
		  	  	document.write("Sono in is_opera il valore <br/>di <b>is_opera5</b>: = " + is_opera5);
		  */	  	
	} 	  	
  	}