var openmenu = "x";
var timerID;
var byl;
var strHash=location.hash.substr(4);
var sekZ;
if(location.search.indexOf('xsekce=')>0){
  sekZ = location.search.indexOf('xsekce=');
}
if(strHash>0)
  byl = strHash;
else if(sekZ>0){
  var kStr = location.search.substr(sekZ+7);
  var sekK = kStr.indexOf('&');
  if(sekK==-1){
	  byl = kStr;
	}
	else{
	  byl = kStr.substr(0, sekK);
	}
}

function IsNumeric(strString){
   var strValidChars = "0123456789";
   var strChar;
   var blnResult = true;

   if (strString.length == 0) return false;

   for (i = 0; i < strString.length && blnResult == true; i++)
      {
      strChar = strString.charAt(i);
      if (strValidChars.indexOf(strChar) == -1)
         {
         blnResult = false;
         }
      }
   return blnResult;
}

function moveelement(){
  if(location.hash){
    var tmph = location.hash;

    tmph = tmph.substring(1);
    var arrelm = tmph.split(';');
    if(document.getElementById(arrelm[0])){
      if((arrelm[1]) && (arrelm[2])){
	      if((IsNumeric(arrelm[1]) > 0) && (IsNumeric(arrelm[2]) > 0)){
	        document.getElementById(arrelm[0]).style.display = "";
	        document.getElementById(arrelm[0]).style.top = arrelm[1];
	        document.getElementById(arrelm[0]).style.left = arrelm[2];
	      }
      }
    }
  }
}

function menured2(){
	clearTimeout(timerID);
	timerID = setTimeout("document.getElementById(openmenu).style.visibility = 'hidden'", 2000);
}

function menured1(menu){
	document.getElementById(menu).style.visibility = "";
	if(openmenu=="x"){
	}
	else if(openmenu==menu){
	}
	else{
		document.getElementById(openmenu).style.visibility = "hidden";
	}
	openmenu = menu;
}

function clanky(ktery){
  if(ktery > 0){
	  document.getElementById('sekce'+ktery).style.display = "";
	  if(document.getElementById('odkaz'+ktery)){
	    document.getElementById('odkaz'+ktery).className = "nadpis_sekce_odkaz nadpis_sekce_aktivni";
	  }
  }
  
  if(byl == undefined){
    if(document.getElementById('xsekce_id')){
      byl = document.getElementById('xsekce_id').innerHTML;
    }
  }
  
	if(byl == ktery){
		byl = ktery;
	}	else if(byl > 0){
		document.getElementById('sekce'+byl).style.display = "none";
    if(document.getElementById('odkaz'+byl)){
		  document.getElementById('odkaz'+byl).className = "nadpis_sekce_odkaz";
    }
		byl = ktery;
	}
	else{
	  byl = ktery;
	}
}


function emailCheck (emailStr, msg) {
	var checkTLD=1;
	var knownDomsPat=/^(com|net|org|edu|int|mil|gov|arpa|biz|aero|name|coop|info|pro|museum)$/;
	var emailPat=/^(.+)@(.+)$/;
	var specialChars="\\(\\)><@,;:\\\\\\\"\\.\\[\\]";
	var validChars="\[^\\s" + specialChars + "\]";
	var quotedUser="(\"[^\"]*\")";
	var ipDomainPat=/^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/;
	var atom=validChars + '+';
	var word="(" + atom + "|" + quotedUser + ")";
	var userPat=new RegExp("^" + word + "(\\." + word + ")*$");
	var domainPat=new RegExp("^" + atom + "(\\." + atom +")*$");
	var matchArray=emailStr.match(emailPat);
	
	if(msg == undefined){
    msg = 'Zápis e-mailové adresy je nekorektní!';
  }

	if (matchArray==null) {
		alert(msg);
		return false;
	}
	var user=matchArray[1];
	var domain=matchArray[2];

	for (i=0; i<user.length; i++) {
		if (user.charCodeAt(i)>127) {
		alert(msg);
		return false;
	   }
	}
	for (i=0; i<domain.length; i++) {
		if (domain.charCodeAt(i)>127) {
			alert(msg);
			return false;
	   }
	}

	if (user.match(userPat)==null) {
		alert(msg);
		return false;
	}

	var IPArray=domain.match(ipDomainPat);
	if (IPArray!=null) {
		for (var i=1;i<=4;i++) {
			if (IPArray[i]>255) {
			alert(msg);
			return false;
	   }
	}
	return true;
	}

	var atomPat=new RegExp("^" + atom + "$");
	var domArr=domain.split(".");
	var len=domArr.length;
	for (i=0;i<len;i++) {
		if (domArr[i].search(atomPat)==-1) {
			alert(msg);
			return false;
	   }
	}

	if (checkTLD && domArr[domArr.length-1].length!=2 &&
		domArr[domArr.length-1].search(knownDomsPat)==-1) {
		alert(msg);
		return false;
	}

	if (len<2) {
		alert(msg);
		return false;
	}

	return true;
}

function admdisk(id, ap, user, lang, akce, w, h) {
	var windowfeatures='toolbar=no, scrollbars=no, resizable=yes, menubar=no';
	var winl = (screen.width - w) / 2;
	var wint = (screen.height - h) / 2;
	winprops = 'height='+h+',width='+w+',top='+wint+',left='+winl;
	win = window.open('./pop.php?prid='+id+'&xuser='+user+'&lanG='+lang+'&akce='+akce+'&disID='+ap, 'admdiskuze', winprops+windowfeatures)
	if(parseInt(navigator.appVersion) >= 4){
		win.window.focus();
	}
}

function skr(co){
  if(document.getElementById('sekce'+co)){
    document.getElementById('sekce'+co).style.display = "none";
  }
}


function odkr(co){
  byl = "";
  if(document.getElementById('sekce'+co)){
    document.getElementById('sekce'+co).style.display = "";
  }
}