//----------------------------------------------------------------------------------------------------------
// Browser testen, erzeugt stBrowser (gleich wie CF Browsererkennung)
// stBrowser.bMac 		-> true, false (boolean) 
// stBrowser.sVersion	-> Versionsnummer (float)
// stBrowser.sBrowser	-> "NS", "IE", "SAFARI", "OPERA" (string)
// stBrowser.sType		-> "DOM", "IELAYER", "NSLAYER" (string)

function oBrowser(f_bMac,f_sVersion,f_sBrowser,f_sType) 
{
	this.bMac = f_bMac;
	this.sVersion = f_sVersion;
	this.sBrowser = f_sBrowser;
	this.sType = f_sType;
}

var bMac = false;
var sVersion = 3.0;
var sBrowser = "IE";
var sType = "IELAYER";
var http_user_agent = navigator.userAgent.toLowerCase(); 	

if (http_user_agent.indexOf("mac") != -1)
{
	bMac = true;
}

if (http_user_agent.indexOf("opera") != -1) 
{
	sBrowser = "OPERA";
	if (http_user_agent.indexOf("opera 7") != -1)		sVersion = "7";
	else if (http_user_agent.indexOf("opera 6") != -1)	sVersion = "6";
	else if (http_user_agent.indexOf("opera 5") != -1)	sVersion = "5";
	else if (http_user_agent.indexOf("opera 4") != -1)	sVersion = "4";
	else if (http_user_agent.indexOf("opera 3") != -1)	sVersion = "3";
	else sVersion = "2";	
		
}	
else if (http_user_agent.indexOf("msie") != -1 && http_user_agent.indexOf("compatible") != -1)
{
	sBrowser = "IE";
	if (http_user_agent.indexOf("msie 5.5") != -1)			sVersion = "5.5";
	else if (http_user_agent.indexOf("msie 5.2") != -1)		sVersion = "5.2";
	else if (http_user_agent.indexOf("msie 5") != -1)		sVersion = "5";
	else if (http_user_agent.indexOf("msie 6") != -1)		sVersion = "6";
	else sVersion = "4";
}
else if (http_user_agent.indexOf("applewebkit") != -1 && http_user_agent.indexOf("safari") != -1)
{
	sBrowser = "SAFARI";
	sVersion = "1";
}	
else if (http_user_agent.indexOf("mozilla") != -1)
{
	sBrowser = "NS";
	if (http_user_agent.indexOf("mozilla/5") != -1)			sVersion = "5";
	else if (http_user_agent.indexOf("mozilla/4") != -1)	sVersion = "4";
	else if (http_user_agent.indexOf("mozilla/3") != -1)	sVersion = "3";
}	

if ((sBrowser == "IE" && sVersion >= 5 && !bMac) ||
	(sBrowser == "IE" && sVersion >= 5.2 && bMac) ||
	(sBrowser == "NS" && sVersion >= 5) || 
	(sBrowser == "OPERA" && sVersion >= 7) || 
	(sBrowser == "SAFARI" && sVersion >= 1))
{
	sType = "DOM";
}
else if (sBrowser == "NS" && sVersion == 4)
{
	sType = "NSLAYER";
}
else if ((sBrowser == "IE" && sVersion == 4) || (bMac && sBrowser == "IE" && sVersion <= 5))
{
	sType = "IELAYER";
}
else
{
	sType = "OLD";
}	

stBrowser = new oBrowser(bMac,sVersion,sBrowser,sType);