// Browser sniff
// These variables are global to the included page
var bMSIE = false;
var bMSIE3 = false, bMSIE4 = false, bMSIE4_beta = false, bMSIE4_01 = false, bMSIE5 = false;
var bNetscape = false;
var bNetscape_2 = false, bNetscape_3 = false, bNetscape_4 = false, bNetscape_6 = false;
var bWin16 = false; // includes Win31 and WinNT 3.51
var bWin95 = false;
var bWin98 = false;
var bWinNT = false;
var bWinY2 = false;
var bMac = false, bMac68K = false, bMacPPC = false;
var bMSSun = false;
var stylesheet_pc = "/css/masterstyle_pc.css";
var stylesheet_mac = "/css/masterstyle_mac.css";

function browser()
{
    var ua = navigator.userAgent;
    var an = navigator.appName;

    // Is it IE?
    bMSIE = (ua.indexOf("MSIE")>=1);
    if (bMSIE)
    {
        // IE3
        var MSIE3 = (ua.indexOf("MSIE 3.0")>=1);

        // IE4
        var iMSIE4 = ua.indexOf("MSIE 4.0");
        bMSIE4 = (iMSIE4>=1);
        if (bMSIE4)
        {
            var sMinorVer = ua.charAt(iMSIE4+8);
            // Some folks are still running an IE4 beta!
            // (the Mac IE team used a 'p' to mark their beta)
            bMSIE4_beta = bMSIE4 && ((sMinorVer == "b") || (sMinorVer == "p"));

            // IE4.01
            bMSIE4_01 = bMSIE4 && (sMinorVer == "1");
        }
        // IE5
        bMSIE5 = (ua.indexOf("MSIE 5.0")>=1);
    }
    else if (an == "Netscape")
    {
        bNetscape = true;
        appVer = parseInt(navigator.appVersion);
        if (appVer >= 5)
        	bNetscape_6 = true;
        else if (appVer >= 4)
            bNetscape_4 = true;
        else if (appVer >= 3)
            bNetscape_3 = true;
        else
            bNetscape_2 = true;
    }

//calls the os sniffer function

}


// OS sniff
// Call the browser() function before you call this one!
function os()
{
    var ua = navigator.userAgent;

   if (bMSIE)
   {
      //IE supported OS's
      bWinY2 = (ua.indexOf("Windows NT 5.0")>=1);
      bWin95 = (ua.indexOf("Windows 95")>=1);
      bWin98 = (ua.indexOf("Windows 98")>=1);
      bWinNT = (ua.indexOf("Windows NT")>=1);
      bWin16 = (ua.indexOf("Windows 3.1")>=1);
      bMac = (ua.indexOf("Mac")>=1);
      bMac68K = (ua.indexOf("Mac_68000")>=1);
      bMacPPC = (ua.indexOf("Mac_PowerPC")>=1);
      bMSSun = (ua.indexOf("SunOS")>=1);

        if ((bWin95) || (bWin98) || (bWinNT) || (bWin16) || bWinY2)
        {
			//windows IE stylesheet goes here
        	document.write("<link rel='stylesheet' href='" + stylesheet_pc + "' type='text/css'>");

        }
        else
        {
			//Mac IE stylesheet goes here
        	document.write("<link rel='stylesheet' href='" + stylesheet_mac + "' type='text/css'>");

        }

	}
   else if (bNetscape)
   {
      // NSCP supporte OS's
      bWinY2 = (ua.indexOf("Windows NT 5.0")>=1);
      bWin95 = (ua.indexOf("Win95")>=1);
      bWin98 = (ua.indexOf("Win98")>=1);
      bWinNT = (ua.indexOf("WinNT")>=1);
      bWin16 = (ua.indexOf("Win16")>=1);
      bMac = (ua.indexOf("Mac")>=1);

      //work around for netscape 6 for problems after a document.write
      var bMac_a = bMac;
      var bNetscape_a = bNetscape;
      var bNetscape_6a = bNetscape_6;


	  // BUGBUG: this doesn't find any of Netscape's Unix versions
      if (bMac)
      {
         bMac68K = (ua.indexOf("68K")>=1);
         bMacPPC = (ua.indexOf("PPC")>=1);
      }

      if ((bWin95) || (bWin98) || (bWinNT) || (bWin16) || (bWinY2))
      {
			//windows netscape stylesheet goes here
            document.write("<link rel='stylesheet' href='" + stylesheet_pc + "' type='text/css'>");
      }
      else
      {
      		if (bNetscape_6)
      		{
      			document.write("<link rel='stylesheet' href='" + stylesheet_mac + "' type='text/css'>");
      		}
			else
			{
				//Mac netscape stylesheet goes here
        		document.write("<link rel='stylesheet' href='" + stylesheet_mac + "' type='text/css'>");
        	}
	  }

      //re-assigning the global variables. To current value.
      bMac = bMac_a;
      bNetscape = bNetscape_a;
      bNetscape_6 = bNetscape_6a;
   }

}

browser();
os();