// javascripty spolocne pre vsetky moduly

function getHTTPObject() {
var xhr = false;
if (window.XMLHttpRequest) {
    xhr = new XMLHttpRequest();
	} else if (window.ActiveXObject) {
		try {
		xhr = new ActiveXObject("Msxml2.XMLHTTP");
		} catch(e) {
			try {
				xhr = new ActiveXObject("Microsoft.XMLHTTP");
			} catch(e) {
				xhr = false;
			}
		}
	}
return xhr;
}

function str_replace(inputString, fromString, toString) {
   // Goes through the inputString and replaces every occurrence of fromString with toString
   var temp = inputString;
   if (fromString == "") {
      return inputString;
   }
   if (toString.indexOf(fromString) == -1) { // If the string being replaced is not a part of the replacement string (normal situation)
      while (temp.indexOf(fromString) != -1) {
         var toTheLeft = temp.substring(0, temp.indexOf(fromString));
         var toTheRight = temp.substring(temp.indexOf(fromString)+fromString.length, temp.length);
         temp = toTheLeft + toString + toTheRight;
      }
   } else { // String being replaced is part of replacement string (like "+" being replaced with "++") - prevent an infinite loop
      var midStrings = new Array("~", "`", "_", "^", "#");
      var midStringLen = 1;
      var midString = "";
      // Find a string that doesn't exist in the inputString to be used
      // as an "inbetween" string
      while (midString == "") {
         for (var i=0; i < midStrings.length; i++) {
            var tempMidString = "";
            for (var j=0; j < midStringLen; j++) { tempMidString += midStrings[i]; }
            if (fromString.indexOf(tempMidString) == -1) {
               midString = tempMidString;
               i = midStrings.length + 1;
            }
         }
      } // Keep on going until we build an "inbetween" string that doesn't exist
      // Now go through and do two replaces - first, replace the "fromString" with the "inbetween" string
      while (temp.indexOf(fromString) != -1) {
         var toTheLeft = temp.substring(0, temp.indexOf(fromString));
         var toTheRight = temp.substring(temp.indexOf(fromString)+fromString.length, temp.length);
         temp = toTheLeft + midString + toTheRight;
      }
      // Next, replace the "inbetween" string with the "toString"
      while (temp.indexOf(midString) != -1) {
         var toTheLeft = temp.substring(0, temp.indexOf(midString));
         var toTheRight = temp.substring(temp.indexOf(midString)+midString.length, temp.length);
         temp = toTheLeft + toString + toTheRight;
      }
   } // Ends the check to see if the string being replaced is part of the replacement string or not
   return temp; // Send the updated string back to the user
}

function urlencode(str) {
str = encodeURIComponent(str);
str = str_replace(str,'+', '%2B');
str = str_replace(str,'%20', '+');
str = str_replace(str,'*', '%2A');
str = str_replace(str,'/', '%2F');
str = str_replace(str,'@', '%40');
return str;
}

function htmlspecialchars_decode(str) {
str = str_replace(str,'&amp;', '&');
str = str_replace(str,'&gt;', '>');
str = str_replace(str,'&lt;', '<');
str = str_replace(str,'&quot;', '"');
return str;
}

function getwidth() {
  var myWidth = 0;
  if( typeof( window.innerWidth ) == 'number' ) {
    //Non-IE
    myWidth = window.innerWidth;
  } else if( document.documentElement && ( document.documentElement.clientWidth || document.documentElement.clientHeight ) ) {
    //IE 6+ in 'standards compliant mode'
    myWidth = document.documentElement.clientWidth;
  } else if( document.body && ( document.body.clientWidth || document.body.clientHeight ) ) {
    //IE 4 compatible
    myWidth = document.body.clientWidth;
  }
  return myWidth;
}

function getheight() {
  var myHeight = 0;
  if( typeof( window.innerWidth ) == 'number' ) {
    //Non-IE
    myHeight = window.innerHeight;
  } else if( document.documentElement && ( document.documentElement.clientWidth || document.documentElement.clientHeight ) ) {
    //IE 6+ in 'standards compliant mode'
    myHeight = document.documentElement.clientHeight;
  } else if( document.body && ( document.body.clientWidth || document.body.clientHeight ) ) {
    //IE 4 compatible
    myHeight = document.body.clientHeight;
  }
  return myHeight;
}

function getvar(name)
{
         get_string = document.location.search;         
         return_value = '';
         
         do { //This loop is made to catch all instances of any get variable.
            name_index = get_string.indexOf(name + '=');
            
            if(name_index != -1)
              {
              get_string = get_string.substr(name_index + name.length + 1, get_string.length - name_index);
              
              end_of_value = get_string.indexOf('&');
              if(end_of_value != -1)                
                value = get_string.substr(0, end_of_value);                
              else                
                value = get_string;                
                
              if(return_value == '' || value == '')
                 return_value += value;
              else
                 return_value += ', ' + value;
              }
            } while(name_index != -1)
            
         //Restores all the blank spaces.
         space = return_value.indexOf('+');
         while(space != -1)
              { 
              return_value = return_value.substr(0, space) + ' ' + 
              return_value.substr(space + 1, return_value.length);
							 
              space = return_value.indexOf('+');
              }
          
         return(return_value);        
}

function myalert(nadpis,message)
{
	if (navigator.appName=="Microsoft Internet Explorer")
	// lamam s IE zobrazim len obycajny alert a pridu o vsetku paradu, lebo IE nepodporuje position fixed! grrrr
	{
		message=str_replace(message,'[NL]','\n');
		alert(message);
	} else {
		message=str_replace(message,'[NL]','<br />');
		document.getElementById('pozadie').style.display='block';
		var vyska=getheight();
		var sirka=getwidth();
		switch (nadpis)
		{
			case 'info':
			{
				document.getElementById('nadpisinfo').style.left=(sirka/2)-(450/2)+'px';
				document.getElementById('nadpisinfo').style.top=(vyska/2)-(150/2)+'px';
				document.getElementById('obsaherror').style.left=(sirka/2)-(450/2)+'px';
				document.getElementById('obsaherror').style.top=(vyska/2)-(150/2)+'px';
				document.getElementById('nadpisinfo').style.display='block';
				document.getElementById('obsaherror').style.display='block';
				document.getElementById('obrazok1').src='./images/InfoBox.png';
				document.getElementById('texterror').innerHTML=message;
				break;
			}
			case 'error':
			{
				document.getElementById('nadpiserror').style.left=(sirka/2)-(450/2)+'px';
				document.getElementById('nadpiserror').style.top=(vyska/2)-(150/2)+'px';
				document.getElementById('obsaherror').style.left=(sirka/2)-(450/2)+'px';
				document.getElementById('obsaherror').style.top=(vyska/2)-(150/2)+'px';
				document.getElementById('nadpiserror').style.display='block';
				document.getElementById('obsaherror').style.display='block';
				document.getElementById('obrazok1').src='./images/ErrorCircle.png';
				document.getElementById('texterror').innerHTML=message;
				break;
			}
		}
	}
}

function closealert()
{
	document.getElementById('nadpiserror').style.display='none';
	document.getElementById('nadpisinfo').style.display='none';
	document.getElementById('obsaherror').style.display='none';
	document.getElementById('pozadie').style.display='none';
}

function myconfirm(nadpis,message,onklik)
{
		document.getElementById('pozadie').style.display='block';
		var vyska=getheight();
		var sirka=getwidth();
		switch (nadpis)
		{
			case 'confirm':
			{
				document.getElementById('nadpisconfirm').style.left=(sirka/2)-(550/2)+'px';
				document.getElementById('nadpisconfirm').style.top=(vyska/2)-(150/2)+'px';
				document.getElementById('obsahconfirm').style.left=(sirka/2)-(550/2)+'px';
				document.getElementById('obsahconfirm').style.top=(vyska/2)-(150/2)+'px';
				document.getElementById('nadpisconfirm').style.display='block';
				document.getElementById('obsahconfirm').style.display='block';
				document.getElementById('textconfirm').innerHTML=message;
				document.getElementById('yesbtn').attributes['onclick'].value=str_replace(onklik,'*potvrdil*','2');
				document.getElementById('nobtn').attributes['onclick'].value=str_replace(onklik,'*potvrdil*','1');
				break;
			}
		}
}
function closeconfirm()
{
			document.getElementById('nadpisconfirm').style.display='none';
			document.getElementById('obsahconfirm').style.display='none';
			document.getElementById('pozadie').style.display='none';
}

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 setCookie(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 eraseCookie(name) {
	setCookie(name,"",-1);
}

function isnumber(sText)
{
   var ValidChars = "0123456789";
   var IsNumber=true;
   var Char;
   for (i = 0; i < sText.length && IsNumber == true; i++) 
      { 
      Char = sText.charAt(i); 
      if (ValidChars.indexOf(Char) == -1) 
         {
         IsNumber = false;
         }
      }
   return IsNumber;
}

function GetLongXmlNodeValue(co,zcoho)
{
	return zcoho.substring(zcoho.indexOf('<'+co+'>')+co.length+2,zcoho.indexOf('</'+co+'>'));
}

function removeHTMLTags(strInputCode){
	strInputCode = strInputCode.replace(/&(lt|gt);/g, function (strMatch, p1){
 	 	return (p1 == "lt")? "<" : ">";
 	});
 	var strTagStrippedText = strInputCode.replace(/<\/?[^>]+(>|$)/g, "");
 	return strTagStrippedText;
}

String.prototype.count=function(s1) { 
	return (this.length - this.replace(new RegExp(s1,"g"), '').length) / s1.length;
}
String.prototype.trim = function() {
	return this.replace(/^\s+|\s+$/g,"");
}
String.prototype.ltrim = function() {
	return this.replace(/^\s+/,"");
}
String.prototype.rtrim = function() {
	return this.replace(/\s+$/,"");
}

var imglist;

function galeria(str)
{
	var vyska=getheight();
	var sirka=getwidth();
	document.getElementById('galeriamain').style.left=(sirka/2)-(954/2)+'px';
	document.getElementById('galeriamain').style.top=(vyska/2)-(604/2)+'px';
	Effect.Appear('galeriamain');

	document.getElementById('pozadie').style.display='block';
	var request = getHTTPObject();
	request.onreadystatechange=function()
	{
		if ((request.readyState==4) && (request.status==200))
        {
			imglist=request.responseText.split('|');
			document.getElementById('galimg').src='./files/Screenshoty/'+imglist[0];
			document.getElementById('galprecache').src=imglist[0];
			document.getElementById('galnums').innerHTML='1 / '+imglist.length;
		}
	}
    request.open("POST","./getimglist.php",true);
	request.setRequestHeader("Content-Type","application/x-www-form-urlencoded");
	data='gal='+urlencode(str);
    request.send(data);
}

function galeria_next()
{
	var index = parseInt(document.getElementById('galnums').innerHTML.split('/')[0].rtrim());
	if (index==parseInt(document.getElementById('galnums').innerHTML.split('/')[1].ltrim())) return false;
	crossfade(document.getElementById('galimg'),'./files/Screenshoty/'+imglist[index],.65);
	document.getElementById('galnums').innerHTML=(parseInt(index)+1) +' / '+imglist.length;
	if (imglist.length!=parseInt(index)+1) document.getElementById('galprecache').src=imglist[parseInt(index)+2];
	return false;
}

function galeria_prev()
{
	var index = parseInt(document.getElementById('galnums').innerHTML.split('/')[0].rtrim());
	if (index==1) return false;
	crossfade(document.getElementById('galimg'),'./files/Screenshoty/'+imglist[index-2],.65);
	document.getElementById('galnums').innerHTML=(parseInt(index)-1) +' / '+imglist.length;
	return false;
}

function galeria_close(str)
{
	Effect.Fade('galeriamain');
	document.getElementById('pozadie').style.display='none';
	document.getElementById('galimg').src='';
	return false;
}