var timer_menu_switch;

/*
    Developed by Robert Nyman, http://www.robertnyman.com
    Code/licensing: http://code.google.com/p/getelementsbyclassname/
	 
	 diiiky ... tohle se opravdu hodi, ne tak monstrozni jako v prototype a pekne svizny.
	 a hlavne umi to pouzit navitni implementace kterych je uz ted v prohlizecich docela dost ... samozrejme s vyjimkou MSIE ktery zaostava, ale na to uz sme si zvykli, to ani nemuze byt jinak :-)
.*/

var getElementsByClassName = function (className, tag, elm){
	if (document.getElementsByClassName) {
		getElementsByClassName = function (className, tag, elm) {
			elm = elm || document;
			var elements = elm.getElementsByClassName(className),
				nodeName = (tag)? new RegExp("\\b" + tag + "\\b", "i") : null,
				returnElements = [],
				current;
			for(var i=0, il=elements.length; i<il; i+=1){
				current = elements[i];
				if(!nodeName || nodeName.test(current.nodeName)) {
					returnElements.push(current);
				}
			}
			return returnElements;
		};
	}
	else if (document.evaluate) {
		getElementsByClassName = function (className, tag, elm) {
			tag = tag || "*";
			elm = elm || document;
			var classes = className.split(" "),
				classesToCheck = "",
				xhtmlNamespace = "http://www.w3.org/1999/xhtml",
				namespaceResolver = (document.documentElement.namespaceURI === xhtmlNamespace)? xhtmlNamespace : null,
				returnElements = [],
				elements,
				node;
			for(var j=0, jl=classes.length; j<jl; j+=1){
				classesToCheck += "[contains(concat(' ', @class, ' '), ' " + classes[j] + " ')]";
			}
			try	{
				elements = document.evaluate(".//" + tag + classesToCheck, elm, namespaceResolver, 0, null);
			}
			catch (e) {
				elements = document.evaluate(".//" + tag + classesToCheck, elm, null, 0, null);
			}
			while ((node = elements.iterateNext())) {
				returnElements.push(node);
			}
			return returnElements;
		};
	}
	else {
		getElementsByClassName = function (className, tag, elm) {
			tag = tag || "*";
			elm = elm || document;
			var classes = className.split(" "),
				classesToCheck = [],
				elements = (tag === "*" && elm.all)? elm.all : elm.getElementsByTagName(tag),
				current,
				returnElements = [],
				match;
			for(var k=0, kl=classes.length; k<kl; k+=1){
				classesToCheck.push(new RegExp("(^|\\s)" + classes[k] + "(\\s|$)"));
			}
			for(var l=0, ll=elements.length; l<ll; l+=1){
				current = elements[l];
				match = false;
				for(var m=0, ml=classesToCheck.length; m<ml; m+=1){
					match = classesToCheck[m].test(current.className);
					if (!match) {
						break;
					}
				}
				if (match) {
					returnElements.push(current);
				}
			}
			return returnElements;
		};
	}
	return getElementsByClassName(className, tag, elm);
};

/*function getElementsByClassName(className, tag, elm){
	var testClass = new RegExp("(^|\\\\s)" + className + "(\\\\s|$)");
	var tag = tag || "*";
	var elm = elm || document;
	var elements = (tag == "*" && elm.all)? elm.all : elm.getElementsByTagName(tag);
	var returnElements = [];
	var current;
	var length = elements.length;
	for(var i=0; i<length; i++){
		current = elements[i];
		if(testClass.test(current.className)){
			returnElements.push(current);
		}
	}
	return returnElements;
}*/


function popup(url, sirka, vyska) {
  return window.open(url,'jhguhsauihgr','top=30,left=30,width='+sirka+',height='+vyska);
}  
  
/*   cookies    */

function createCookie(name,value,days) {
	if (days) {
		var date = new Date();
		date.setTime(date.getTime()+(days*24*60*60*1000));
		var expires = "; expires="+date.toGMTString();
	}
	else var expires = "";
	document.cookie = name+"="+value+expires+"; path=/";
}

function readCookie(name) {
	var nameEQ = name + '=';
	var ca = document.cookie.split(';');
	for(var i=0;i < ca.length;i++) {
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
	}
	return null;
}

function eraseCookie(name) {
	createCookie(name,"",-1);
}

//priste uz napoveda zobrazena nebude
if (readCookie('prvni_nacteni_tourismu') != 1) {
  //neco provedeme abychom upoutali pozornost na menu
  //bud hned pri nacteni nebo s mirnym spozdenim
  
  //1-nechame nabehnout puntiky gif ze sirky
  //2-puntiky bounce efekt
  //3-nechame prolitnout menu v casovych intervalech ... volani funkce onslide nebo jak se to jmenuje
  //  s parametrem, start rollover nezrusi rollover, pokud je volana bez tohoto parametru casovac rolloveru je zrusen 
  
}
//createCookie('prvni_nacteni_radnicaku','1',1);

function v_popup_okne(url,sirka, vyska) {
  var sirka = (sirka == null) ? 1000 : sirka;
  var vyska = (vyska == null) ? 700 : vyska;

  return window.open(url, 'zdrojolcz221c8','width='+sirka+',height='+vyska+',menubar=no,location=yes,resizable=yes,scrollbars=yes,left=50,top=50');
}