// detekce klienta *** (version 10.5.2002)

	var BWSver=navigator.appVersion.toLowerCase();
	var BWSagt=navigator.userAgent.toLowerCase();
	var BWSos=navigator.platform.toLowerCase();
	
	/* kompatibilita */
	var BWSdom=document.getElementById?1:0; // W3C DOM
	var BWSopera=(BWSdom && window.opera)?1:0; // verze 5.0 a vyssi
	var BWSie=(document.all && document.all.item && !BWSopera)?1:0; // verze 4.0 a vyssi
	var BWSgecko=(BWSdom && !BWSie && !BWSopera && BWSagt.indexOf("gecko"))?1:0; // verze 6.0 a vyssi
	var BWSns4=(document.layers && !BWSdom)?1:0; // verze 4.xx
		
	/* verze */
	var BWSie4=(BWSie && !BWSdom && !BWSopera)?1:0;
	var BWSie50=(BWSie && BWSver.indexOf("msie 5.0")!=-1 && BWSdom)?1:0;
	var BWSie55=(BWSie && BWSver.indexOf("msie 5")!=-1 && !BWSie50 && BWSdom)?1:0;
	var BWSie6=(BWSie && BWSver.indexOf("msie 6")!=-1 && BWSdom)?1:0;

	/* operační systém */
	var BWSwin32=((BWSagt.indexOf("win32")!=-1) || (BWSagt.indexOf("32bit")) || (BWSos == "win32"))?1:0;
	var BWSmac=(BWSagt.indexOf("mac")!=-1)?1:0;
	var BWSlinux=(BWSagt.indexOf("inux")!=-1)?1:0;

	var BWSok=(BWSdom || BWSie || BWSopera || BWSns4 || BWSgecko)?1:0;
	var BWSscrollcfg=(BWSie && !BWSie4 && !BWSie50)?1:0;


// scroll-top for Netscape Gecko ***

	// if (BWSgecko) {setTimeout('window.scrollTo(0,0)', 50)};


// reloads the window if Nav4 resized	***

	function nsResizeFix(init) {
  		if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
  			document.pgW=innerWidth; document.pgH=innerHeight; onresize=nsResizeFix; }}
  		else if (innerWidth!=document.pgW || innerHeight!=document.pgH) location.reload();
}


// vyber stylu ***

	function chooseCSS(level) {
	var cdupstr=level
	
	switch(cdupstr) {
		case 0: var cdupstr=""; break;
		case 1: var cdupstr="../"; break;
		case 2: var cdupstr="../../"; break;
		case 3: var cdupstr="../../../"; break;
		case 4: var cdupstr="../../../../"; break;
		default:  var cdupstr=""; break;
	}
	
    // modifikovat dle potreby:

	var chosenStyle = "default.css";
	
	if (BWSie && BWSmac && !BWSie4) {chosenStyle = "mac_ie5.css"}
	else if (BWSie && !BWSmac) {chosenStyle = "pc_ie.css"}
	else if (BWSns4 && !BWSmac) {chosenStyle = "pc_ns4.css"}
	else if (BWSns6 && !BWSmac) {chosenStyle = "pc_ns6.css"}
	else if (BWSopera) {chosenStyle = "opera.css"}
	else if (BWSmac) {chosenStyle = "mac_v4.css"}
		
	document.write ("<link rel='stylesheet' HREF='" + cdupstr + "classes/" + chosenStyle + "' type='text/css'>");
	if (BWSscrollcfg) {document.write ("<link rel='stylesheet' HREF='" + cdupstr + "classes/scrollbar.css' type='text/css'>");}
}


// nove okno ***

	function WinOpen1(theURL,w,h,lf,tp) {
	window.open(theURL,'WinOpen1','width=' + w + ',height=' + h + ',left=' + lf + ',top=' + tp + ',toolbar=0,location=0,scrollbars=0,resizable=0,status=0,directories=0,menubar=0');
}

function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}

// functions loaded ***

var functions=1;