<!--
/*
BrowserDetector()
Parses User-Agent string into useful info.

Usage: var bd = new BrowserDetector(navigator.userAgent);
*/

var bd = new BrowserDetector(navigator.userAgent);
var erreur ="";

// Utility function to trim spaces from both ends of a string
function Trim(inString) {
  var retVal = "";
  var start = 0;
  while ((start < inString.length) && (inString.charAt(start) == ' ')) {
    ++start;
  }
  var end = inString.length;
  while ((end > 0) && (inString.charAt(end - 1) == ' ')) {
    --end;
  }
  retVal = inString.substring(start, end);
  return retVal;
}

function BrowserDetector(ua) {

// Defaults
  this.browser = "Unknown";
  this.platform = "Unknown";
  this.version = "";
  this.majorver = "";
  this.minorver = "";

  uaLen = ua.length;

// ##### Split into stuff before parens and stuff in parens
  var preparens = "";
  var parenthesized = "";

  i = ua.indexOf("(");
  if (i >= 0) {
    preparens = Trim(ua.substring(0,i));
        parenthesized = ua.substring(i+1, uaLen);
        j = parenthesized.indexOf(")");
        if (j >= 0) {
          parenthesized = parenthesized.substring(0, j);
        }
  }
  else {
    preparens = ua;
  }

// ##### First assume browser and version are in preparens
// ##### override later if we find them in the parenthesized stuff
  var browVer = preparens;

  var tokens = parenthesized.split(";");
  var token = "";
// # Now go through parenthesized tokens
  for (var i=0; i < tokens.length; i++) {
    token = Trim(tokens[i]);
        //## compatible - might want to reset from Netscape
        if (token == "compatible") {
          //## One might want to reset browVer to a null string
          //## here, but instead, we'll assume that if we don't
          //## find out otherwise, then it really is Mozilla
          //## (or whatever showed up before the parens).
        //## browser - try for Opera or IE
    }
        else if (token.indexOf("MSIE") >= 0) {
      browVer = token;
    }
    else if (token.indexOf("Opera") >= 0) {
      browVer = token;
    }
        //'## platform - try for X11, SunOS, Win, Mac, PPC
    else if ((token.indexOf("X11") >= 0) || (token.indexOf("SunOS") >= 0) ||
(token.indexOf("Linux") >= 0)) {
      this.platform = "Unix";
        }
    else if (token.indexOf("Win") >= 0) {
      this.platform = "Win";
        }
    else if ((token.indexOf("Mac") >= 0) || (token.indexOf("PPC") >= 0)) {
      this.platform = "Mac";
        }
  }

  var msieIndex = browVer.indexOf("MSIE");
  if (msieIndex >= 0) {
    browVer = browVer.substring(msieIndex, browVer.length);
  }

  var leftover = "";
  if (browVer.substring(0, "Mozilla".length) == "Mozilla") {
    this.browser = "Netscape";
        leftover = browVer.substring("Mozilla".length+1, browVer.length);
  }
  else if (browVer.substring(0, "Lynx".length) == "Lynx") {
    this.browser = "Lynx";
        leftover = browVer.substring("Lynx".length+1, browVer.length);
  }
  else if (browVer.substring(0, "MSIE".length) == "MSIE") {
    this.browser = "IE";
    leftover = browVer.substring("MSIE".length+1, browVer.length);
  }
  else if (browVer.substring(0, "Microsoft Internet Explorer".length) ==
"Microsoft Internet Explorer") {
    this.browser = "IE"
        leftover = browVer.substring("Microsoft Internet Explorer".length+1,
browVer.length);
  }
  else if (browVer.substring(0, "Opera".length) == "Opera") {
    this.browser = "Opera"
    leftover = browVer.substring("Opera".length+1, browVer.length);
  }

  leftover = Trim(leftover);

  // # Try to get version info out of leftover stuff
  i = leftover.indexOf(" ");
  if (i >= 0) {
    this.version = leftover.substring(0, i);
  }
  else
  {
    this.version = leftover;
  }
  j = this.version.indexOf(".");
  if (j >= 0) {
    this.majorver = this.version.substring(0,j);
    this.minorver = this.version.substring(j+1, this.version.length);
  }
  else {
    this.majorver = this.version;
  }
}

function detectBrowser()
{
switch(bd.platform)
{
//-------------------------WIN--//  
 case "Win":
  switch(bd.browser)
  {
  	case "Netscape":
		if(parseFloat(bd.version)<5.0)//Version 7.0 de Netscape = 5.0 de Mozilla
			{
			erreur = "You must download the latest version of Netscape if you want to access the site. \n<br /><a href='http://channels.netscape.com/ns/browsers/default.jsp' class='menu'>Click here to go to the download page >></a>";
			} else {
			erreur="";
			}
		break;
	case "IE" || "MSIE":
		if(parseFloat(bd.version)<6.0)
			{
			erreur = "You must download the latest version of Internet Explorer if you want to access the site. \n<br /><a href='http://www.microsoft.com/windows/ie/default.mspx' class='menu'>Click here to go to the download page >></a>";
			} else {
			erreur="";
			}
		break;
	default :
		erreur = "This site is optimised for Netscape 7.0+ and Internet Explorer 6.0+. \n<br />Please download one of these browsers to gain access to the site. \n<br /><a href='http://www.microsoft.com/windows/ie/default.mspx' class='menu'>Click here to go to Internet Explorer download page >></a>\n<br/><a href='http://channels.netscape.com/ns/browsers/default.jsp' class='menu'>Click here to go to Netscape download page >></a>"
		break;
  }
  break;

//-------------------------MAC--//  
 case "Mac":
 switch(bd.browser)
  {
  	case "Netscape":
		if(parseFloat(bd.version)<5.0)//Version 7.0 de Netscape = 5.0 de Mozilla
			{
			erreur = "You must download the latest version of Netscape if you want to access the site. \n<br /><a href='http://channels.netscape.com/ns/browsers/default.jsp' class='menu'>Click here to go to the download page >></a>";
			} else {
			erreur="";
			}
		break;
	case "IE" || "MSIE":
		if(parseFloat(bd.version)<5.0)
			{
			erreur="You must download the latest version of Internet Explorer if you want to access the site. \n<br /><a href='http://www.microsoft.com/mac/products/internetexplorer/internetexplorer.aspx?pid=internetexplorer' class='menu'>Click here to go to the download page >></a>";
			} else {
			erreur="";
			}
		break;
	default :
		erreur = "This site is optimised for Netscape 7.0+ and Internet Explorer 6.0+. \n<br />Please download one of these browsers to gain access to the site. \n<br /><a href='http://www.microsoft.com/mac/products/internetexplorer/internetexplorer.aspx?pid=internetexplorer' class='menu'>Click here to go to Internet Explorer download page >></a>\n<br/><a href='http://channels.netscape.com/ns/browsers/default.jsp' class='menu'>Click here to go to Netscape download page >></a>"
		break;
  }
  break;
 
//----------------------AUTRES--//  
  default :
  erreur="The only Operating Systems supported for now are Windows and Mac OS."
  break
}

return erreur;
}


function detectCookies()
{
erreur="";
 var tmpcookie = new Date();
   chkcookie = (tmpcookie.getTime() + '');
   document.cookie = "chkcookie=" + chkcookie + "; path=/";
    if (document.cookie.indexOf(chkcookie,0) < 0) {
      erreur="You must enable cookies if you want to gain access to the site."
      }
 return erreur;
}
//-->