//--- get browser version ---
function browserversion()
	{
	if(navigator.userAgent.indexOf("Mozilla/5.") != -1)
		return 5;
	else if(navigator.userAgent.indexOf("Mozilla/4.") != -1)
		return 4;
	else if(navigator.userAgent.indexOf("Mozilla/3.") != -1)
		return 3;
	else if(navigator.userAgent.indexOf("Mozilla/2.0 (compatible; MSIE 3.") != -1)
		return 3;
	else if(navigator.userAgent.indexOf("Mozilla/2.") != -1)
		return 2;
	else if(navigator.userAgent.indexOf("MSIE") != -1)
		return 1;
	else
		return 0;
	}

//--- check for Explorer ---
function explorer()
	{
	if(navigator.appName.indexOf("Microsoft") != -1)
		return true;
	return false;
	}

//--- check for Macintosh ---
function macintosh()
	{
	if(navigator.userAgent.indexOf("Mac") != -1)
		return true;
	return false;
	}

//--- check for Netscape ---
//--- we moved this function to the end of this script to manage a conflict with netscape 6 ---
  function netscape()
  {
  	if(navigator.appName.indexOf("Netscape") != -1)
  		return true;
  	return false;
  	}