// JavaScript Document
function question(ses,pocet,sel) {
	for (i=1;i<=pocet;i++) {
		var maly = "small_" + ses + "_" + i;
		var velky = "big_" + ses + "_" + i;
		if (i == sel) {
			MM_showHideLayers(maly,'','hide');
			MM_showHideLayers(velky,'','show');
		} else {
			MM_showHideLayers(maly,'','show');
			MM_showHideLayers(velky,'','hide');
		}
	}
}

function externalLinks() {
  if (!document.getElementsByTagName) return;
  var anchors = document.getElementsByTagName("a");
  for (var i=0; i<anchors.length; i++) {
    var anchor = anchors[i];
    if (anchor.getAttribute("href") && anchor.getAttribute("rel") == "external") anchor.target = "_blank";
    if (anchor.getAttribute("href") && anchor.getAttribute("rel") == "zoom") anchor.target = "zoom";
    }
}


function flevGetDivProperty() { // v1.0
	// Copyright 2002, Marja Ribbers-de Vroed, FlevOOware (www.flevooware.nl)
	this.opera = (window.opera); this.ns4 = (document.layers); this.ie = (document.all);
	this.ns6 = (document.getElementById && !document.all && !this.opera);
    var sV = "", sD = arguments[0], oD = MM_findObj(sD), sP = arguments[1]; if (oD == null) {return 0;}
	var sF = (sD.indexOf("?") > 0) ? sD.substring(sD.indexOf("?")+1) : "";
	if ((sF != "") && (this.ie)) {sD = "parent.frames['" + sF + "']." + sD.substring(0,sD.indexOf("?"));}
	if ((sP == "left") || (sP == "top")) {
		if (!this.ns4) {oD = oD.style;} sV = eval("oD." + sP);
		if ((this.ie) && (sV == "")) { // IE (on PC) bug with nested layers
			if (sP == "top") { sV = eval(sD + ".offsetTop");} 
			else { sV = eval(sD + ".offsetLeft");}}}
	else {if (this.opera) {oD = oD.style;
			if (sP == "height") { sV = oD.pixelHeight;} 
			else if (sP == "width") { sV = oD.pixelWidth;}}
		else if (this.ns4) {sV = eval("oD.clip." + sP);} 
		else if (this.ns6) {sV = document.defaultView.getComputedStyle(oD, "").getPropertyValue(sP);} 
	    else if (this.ie) { 
			if (sP == "width") {sV = eval(sD + ".offsetWidth");} 
			else if (sP == "height") {sV = eval(sD + ".offsetHeight");}}}
	sV = (sV == "") ? 0 : sV; if (isNaN(sV)) {if (sV.indexOf('px') > 0) { sV = sV.substring(0,sV.indexOf('px'));}} 
	return parseInt(sV); 
}

function MM_reloadPage(init) {  //reloads the window if Nav4 resized
  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
  else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}


function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.0
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && document.getElementById) x=document.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function MM_reloadPage(init) {  //reloads the window if Nav4 resized
  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
  else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}
function MM_showHideLayers() { //v3.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'inline':(v='hide')?'none':v; }
    obj.display=v; }
}

function MM_goToURL() { //v3.0
  var i, args=MM_goToURL.arguments; document.MM_returnValue = false;
  for (i=0; i<(args.length-1); i+=2) eval(args[i]+".location='"+args[i+1]+"'");
}

function MM_setTextOfTextfield(objName,x,newText) { //v3.0
  var obj = MM_findObj(objName); if (obj) obj.value = newText;
}

function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}
function MM_jumpMenu(targ,selObj,restore){ //v3.0
  eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'");
  if (restore) selObj.selectedIndex=0;
}

function MM_jumpMenuGo(selName,targ,restore){ //v3.0
  var selObj = MM_findObj(selName); if (selObj) MM_jumpMenu(targ,selObj,restore);
}
