var browsername=navigator.appName;
var browserversion=navigator.appVersion;

if (browsername.indexOf("Netscape")!=-1) 
{
	if (browserversion.indexOf("4.7")!=-1) 
	{
		browsername="NS47";
	}
	else if (browserversion.indexOf("5.0")!=-1) 
	{
		browsername="NS7";
	}		
	else
	{
		browsername="NS";
	}		
}
else
{
	if (browsername.indexOf("Microsoft")!=-1) 
	{
		browsername="MSIE";
	}
	else 
	{
		browsername="MSIE";
	}

}
function get_random()
{
    var ranNum= Math.round(Math.random()*10);
    return ranNum;
}

function fCheckForm(pForm) 
{
  var lvUserName=pForm.UserName.value;
  var lvPassWord=pForm.PassWord.value;
  

  if (lvUserName.length<3)
  {
        alert('Invalid user name');
        return false;
  }
  if (lvPassWord.length<3)
  {
        alert('Invalid password');
        return false;
  }
  return true;  
}

// détection navigateur et version pour mise à jour
function fGetBrowserType(){
	if (navigator.userAgent.indexOf("Opera") != -1) return false; // Opera
	
	if (navigator.appName == "Microsoft Internet Explorer"){	// Microsoft Internet Explorer
	
		if (navigator.userAgent.indexOf('MSIE 6') != -1)  return true; // Internet Explorer 6.0
		else if (navigator.userAgent.indexOf('MSIE 5') != -1)  return true; // Internet Explorer 5.0 et supérieur
		else if (navigator.userAgent.indexOf('MSIE 4') != -1)  return false; // Internet Explorer 4.0
		else if (navigator.userAgent.indexOf('MSIE 3') != -1)  return false; // Internet Explorer 3.0
		
	}else if (navigator.appName == "Netscape"){	// Netscape
	
		if (navigator.userAgent.indexOf("Mozilla/5") != -1)  return true; // Netscape 7.0 et supérieur
		else if	(navigator.userAgent.indexOf("Mozilla/4") != -1)  return false; // Netscape 4.0 et supérieur
		else if (navigator.userAgent.indexOf("Mozilla/3") != -1)  return false; // Netscape 3.0
		else if (navigator.userAgent.indexOf("Mozilla/2") != -1)  return false; // Netscape 2
	
	}else if (navigator.userAgent.indexOf("Safari") != -1){	// Safari
	
		return true;
	
	}else{
	
		return false;
		
	}
}