document.observe("dom:loaded", function() {
	var links = $$('.ajax-action');
	for ( var i = 0; i < links.length; i++ )
	{
		if ( links[i].href )
		{
			links[i].original_href = links[i].href;
			links[i].href = 'javascript:(function(){})();';
			links[i].onclick = ajax_action_fire;
			links[i].onmouseover = function () { this.parentNode.className += " karma_hover "; };
			links[i].onmouseout = function () { this.parentNode.className = this.parentNode.className.replace ("karma_hover", ""); };
		}
	}

	var links = document.getElementsByTagName ('a');
	for ( var i = 0; i < links.length; i++ )
	{
		if ( links[i].rel && links[i].rel.match ('new-window') )
		{
			links[i].original_url = links[i].href;
			links[i].onclick = function () { open_new_window (this.original_url); return false; };
		}

		if ( links[i].className.match ('enhance-search-results') )
		{
			links[i].original_url = links[i].href;
			links[i].onclick = enhance_search_results_start;
		}
	}

	var cake = $$('.cake-sql-log');
	for ( var i = 0; i < cake.length; i++ )
	{
		cake[i].style.height = '30px';
		cake[i].style.width = '30px';
		cake[i].onclick = function () { this.style.height = this.style.height == '30px' ? 'auto' : '30px'; this.style.width = this.style.width == '30px' ? 'auto' : '30px'; };
	}

	var popup_windows = $$('a[rel="popup-window"]');
	for ( var i = 0; i < popup_windows.length; i++ )
	{
		popup_windows[i].onclick = open_popup_window;
	}

	autoresize_dl ();
	autoresize_dd ();
});

function open_new_window (url)
{
	window.open (url);
	return;
}

function open_popup_window ()
{
	window.open (this.href, 'anketa', 'width=700,height=400,scrollbars=yes');
	return false;
}

var ajax_action = false;

function ajax_action_fire ()
{
	if ( ajax_action )
	{
		alert ("Prosím počkejte na její dokončení a poté proveďte tuto akci znovu.", "Již probíhá zpracování jiné akce!")
		return;
	}

	ajax_action = this;
	new Ajax.Request(this.original_href, { sourceElement: this, onSuccess: function (response) {
		if ( ! response.responseText.match ('ok') )
		{
			alert ("Prosím opakujte akci později.", "Došlo k chybě při zpracování!");
			return;
		}
		var new_rating = parseInt(response.responseText);
		ajax_action.getElementsByTagName('img')[0].nextSibling.textContent = new_rating + 'x';
		var links = ajax_action.parentNode.parentNode.getElementsByTagName ('a');
		for ( var i = 0; i < links.length; i++ )
		{
			links[i].removeAttribute ('href');
			links[i].onclick = links[i].onmouseover = links[i].onmouseout = function (){};
			links[i].parentNode.className = links[i].parentNode.className.replace ('karma_hover', '');
		}
		ajax_action = false;
	}});
}

function display_login_box ()
{
	flash_fix_start ();
	$('user-login-box').show();
	new Effect.Opacity('user-login-box', { duration: 0.4, from: 0, to: 1 });
}

function hide_login_box ()
{
	flash_fix_end ();
	new Effect.Opacity('user-login-box', { duration: 0.4, from: 1, to: 0 });
}

function loading(id, msg)
{
	var _load = '<div id=\"loading-wrapper\"><div><img src="/img/loading-1.gif" alt="Nahrávám data" />';
	if ( msg ) _load += '<br /><b>' + msg + '</b>';
	_load += '</div></div>';
	$(id).innerHTML = _load;
}

function check_pausal(id)
{
	var el = _gel(id);
	alert(el);
}



function AvatarSelect( imgname, id )
{
	var user = document.getElementById('form-user-avatar');
	var avatar_id = document.getElementById('UsersProfilIdAvatar');
	if ( ! avatar_id ) avatar_id = document.getElementById ('UsersRegistraceIdAvatar');

	var avatar = '<img src="/img/avatar/'+imgname+'" align="center" border="0" alt="Avatar">';

	user.innerHTML = avatar;
	avatar_id.value = id; // hidden value pro id z dtb
	divHide('selector');
}

function divShow(id)
{
	var el = document.getElementById( id );
	el.style.visibility = 'visible';
	el.style.display = 'block';
}

function divHide(id)
{
	var el = document.getElementById( id );
	el.style.visibility = 'hidden';
	el.style.display = 'none';
}

function wizard_dostupnost (frm)
{
	frm.removeAttribute ('onsubmit');
	$('wizard-dostupnost-frm').hide ();
	$('wizard-dostupnost-loading').show ();

	$(frm).request ( {
		method: 'post',
		evalJS: 'force',
		onComplete: function (response) {
			$('base-content').innerHTML = response.responseText;
			autoresize_dl ();
			autoresize_dd ();
		}
	} );

	return false;
}

function autoresize_dl ()
{
	var spans = $$('dl dt span');
	for ( var i = 0; i < spans.length; i++ )
	{
		var width = Element.getWidth (spans[i]) + 5;
		Element.setStyle (spans[i].parentNode, { backgroundPosition: width + 'px 14px'});
	}
}

function autoresize_dd ()
{
	var spans = $$('dl dd span');
	for ( var i = 0; i < spans.length; i++ )
	{
		var ww = Element.getStyle (spans[i].parentNode, 'maxWidth');
		if ( ! ww || ( parseInt (ww) == 'NaN' ) || ( ww == 'none' ) )
		{
			ww = 185;
		}
		else
		{
			ww = parseInt (ww);
		}
		var width = Element.getWidth (spans[i]) + 5;
		Element.setStyle (spans[i].parentNode, { backgroundPosition: (- ww + ( 85 - width) ) + 'px 14px'});
	}
}

function appear (id, where_clicked, shiftLeft, shiftTop)
{
	if ( ! shiftLeft )
	{
		shiftLeft = 0;
	}

	if ( ! shiftTop )
	{
		shiftTop = 0;
	}

	var click = $(where_clicked);
	var body = $$('body')[0];

	Element.setStyle( $('darken'), {
		'width':	Element.getWidth (body) + 'px',
		'height':	Element.getHeight (body) + 'px'
	} );

	Element.setStyle ( $(id), {
		'position':	"absolute",
		'left':		(click.offsetLeft + shiftLeft) + 'px',
		'top':		(click.offsetTop + shiftTop) + 'px'
	} );	

	new Effect.toggle ('darken', 'appear', { to: 0.7, duration: 0.4 });

}

function disappear(id)
{
	$(id).hide ();
	new Effect.toggle ('darken', 'appear', { duration: 0.4 } );
}


function _gel(id)
{
	return document.getElementById(id);
}

Date.prototype.addDays = function(days)
{
    var dat = new Date(this.valueOf())
    dat.setDate(dat.getDate() + days);
    return dat;
}

function write_cookie (name, val)
{
	var expiration_date = new Date ();
	expiration_date = expiration_date.addDays (31);

	var cookie_string = escape (name) + "=" + escape (val) + ";expires=" + expiration_date;

	document.cookie = cookie_string;
}

function enhance_search_results_start ()
{
	var url = this.original_url;
	
	var results_wrapper = this.parentNode.parentNode.getElementsByTagName ('ul')[0];

	enhance_search_results_show_loading (results_wrapper);

	var request = new Ajax.Request (url, {
		method: 'get',
		onSuccess: enhance_search_results_ajax,
		enhance_link: this
	} );

	return false;
}

function enhance_search_results_ajax (transport)
{
	var results = transport.responseText;
	var enhance_link = transport.request.options.enhance_link;
	//var enhance_link_prespan = enhance_link.parentNode.getElementsByTagName ('a')[0];
	var results_list = enhance_link.parentNode.parentNode.getElementsByTagName ('ul')[0];
	
	var pom = document.createElement ('div');
	pom.innerHTML = results;
	
	var pom_results = pom.getElementsByTagName ('div')[0];
	
	results_list.parentNode.replaceChild (pom_results, results_list);
	//enhance_link_prespan.parentNode.removeChild (enhance_link_prespan);
	enhance_link.parentNode.removeChild (enhance_link);

	enhance_search_results_pagination ();
}

function enhance_search_results_pagination ()
{
	var links = document.getElementsByTagName ('a');
	for ( var i = 0; i < links.length; i++ )
	{
		if ( links[i].className.match ('enhance-search-results-pagination') )
		{
			links[i].original_url = links[i].href;
			links[i].onclick = enhance_search_results_paginate;
		}
	}
}

function enhance_search_results_paginate ()
{
	var url = this.original_url;

	var results_wrapper = ( this.parentNode.tagName.toUpperCase () == 'SPAN' ) ?
			this.parentNode.parentNode.parentNode.parentNode:
			this.parentNode.parentNode.parentNode;

	enhance_search_results_show_loading (results_wrapper);

	var request = new Ajax.Request (url, {
		method: 'get',
		onSuccess: enhance_search_results_pagination_ajax,
		enhance_link: this
	} );

	return false;
}

function enhance_search_results_pagination_ajax (transport)
{
	var results = transport.responseText;
	var enhance_link = transport.request.options.enhance_link;
	
	var pom = document.createElement ('div');
	pom.innerHTML = results;
	
	var pom_results = pom.getElementsByTagName ('div')[0];

	var results_wrapper = ( enhance_link.parentNode.tagName.toUpperCase () == 'SPAN' ) ?
			enhance_link.parentNode.parentNode.parentNode.parentNode.innerHTML = pom_results.innerHTML :
			enhance_link.parentNode.parentNode.parentNode.innerHTML = pom_results.innerHTML;

	enhance_search_results_pagination ();
}

function enhance_search_results_show_loading (el)
{
	var loader = document.createElement ('div');
	loader.id = 'search-results-loading';
	loader.innerHTML = '<span>Prosím čekejte</span>';
	loader.style.display = 'none;'
	Element.setStyle ( loader, { opacity: 0 } );
	el.appendChild (loader);

	new Effect.Appear ('search-results-loading', { from: 0, to: 0.8, duration: 1 });
}

function flash_fix_start ()
{
	var obj = $$('object');
	for ( var i = 0; i < obj.length; i++)
	{
		obj[i].style.visibility = 'hidden';
	}
}

function flash_fix_end ()
{
	var obj = $$('object');
	for ( var i = 0; i < obj.length; i++)
	{
		obj[i].style.visibility = 'visible';
	}
}

function unserialize (data) {
    // Takes a string representation of variable and recreates it  
    // 
    // version: 1004.1212
    // discuss at: http://phpjs.org/functions/unserialize    // +     original by: Arpad Ray (mailto:arpad@php.net)
    // +     improved by: Pedro Tainha (http://www.pedrotainha.com)
    // +     bugfixed by: dptr1988
    // +      revised by: d3x
    // +     improved by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)    // +        input by: Brett Zamir (http://brett-zamir.me)
    // +     improved by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
    // +     improved by: Chris
    // +     improved by: James
    // +        input by: Martin (http://www.erlenwiese.de/)    // +     bugfixed by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
    // +     improved by: Le Torbi
    // +     input by: kilops
    // +     bugfixed by: Brett Zamir (http://brett-zamir.me)
    // -      depends on: utf8_decode    // %            note: We feel the main purpose of this function should be to ease the transport of data between php & js
    // %            note: Aiming for PHP-compatibility, we have to translate objects to arrays
    // *       example 1: unserialize('a:3:{i:0;s:5:"Kevin";i:1;s:3:"van";i:2;s:9:"Zonneveld";}');
    // *       returns 1: ['Kevin', 'van', 'Zonneveld']
    // *       example 2: unserialize('a:3:{s:9:"firstName";s:5:"Kevin";s:7:"midName";s:3:"van";s:7:"surName";s:9:"Zonneveld";}');    // *       returns 2: {firstName: 'Kevin', midName: 'van', surName: 'Zonneveld'}
    var that = this;
    var utf8Overhead = function(chr) {
        // http://phpjs.org/functions/unserialize:571#comment_95906
        var code = chr.charCodeAt(0);        if (code < 0x0080) {
            return 0;
        }
        if (code < 0x0800) {
             return 1;        }
        return 2;
    };
 
     var error = function (type, msg, filename, line){throw new that.window[type](msg, filename, line);};
    var read_until = function (data, offset, stopchr){
        var buf = [];
        var chr = data.slice(offset, offset + 1);
        var i = 2;        while (chr != stopchr) {
            if ((i+offset) > data.length) {
                error('Error', 'Invalid');
            }
            buf.push(chr);            chr = data.slice(offset + (i - 1),offset + i);
            i += 1;
        }
        return [buf.length, buf.join('')];
    };    var read_chrs = function (data, offset, length){
        var buf;
 
        buf = [];
        for (var i = 0;i < length;i++){            var chr = data.slice(offset + (i - 1),offset + i);
            buf.push(chr);
            length -= utf8Overhead(chr); 
        }
        return [buf.length, buf.join('')];    };
    var _unserialize = function (data, offset){
        var readdata;
        var readData;
        var chrs = 0;        var ccount;
        var stringlength;
        var keyandchrs;
        var keys;
         if (!offset) {offset = 0;}
        var dtype = (data.slice(offset, offset + 1)).toLowerCase();
 
        var dataoffset = offset + 2;
        var typeconvert = function(x) {return x;}; 
        switch (dtype){
            case 'i':
                typeconvert = function (x) {return parseInt(x, 10);};
                readData = read_until(data, dataoffset, ';');                chrs = readData[0];
                readdata = readData[1];
                dataoffset += chrs + 1;
            break;
            case 'b':                typeconvert = function (x) {return parseInt(x, 10) !== 0;};
                readData = read_until(data, dataoffset, ';');
                chrs = readData[0];
                readdata = readData[1];
                dataoffset += chrs + 1;            break;
            case 'd':
                typeconvert = function (x) {return parseFloat(x);};
                readData = read_until(data, dataoffset, ';');
                chrs = readData[0];                readdata = readData[1];
                dataoffset += chrs + 1;
            break;
            case 'n':
                readdata = null;            break;
            case 's':
                ccount = read_until(data, dataoffset, ':');
                chrs = ccount[0];
                stringlength = ccount[1];                dataoffset += chrs + 2;
 
                readData = read_chrs(data, dataoffset+1, parseInt(stringlength, 10));
                chrs = readData[0];
                readdata = readData[1];                dataoffset += chrs + 2;
                if (chrs != parseInt(stringlength, 10) && chrs != readdata.length){
                    error('SyntaxError', 'String length mismatch');
                }
                 // Length was calculated on an utf-8 encoded string
                // so wait with decoding
                readdata = that.utf8_decode(readdata);
            break;
            case 'a':                readdata = {};
 
                keyandchrs = read_until(data, dataoffset, ':');
                chrs = keyandchrs[0];
                keys = keyandchrs[1];                dataoffset += chrs + 2;
 
                for (var i = 0; i < parseInt(keys, 10); i++){
                    var kprops = _unserialize(data, dataoffset);
                    var kchrs = kprops[1];                    var key = kprops[2];
                    dataoffset += kchrs;
 
                    var vprops = _unserialize(data, dataoffset);
                    var vchrs = vprops[1];                    var value = vprops[2];
                    dataoffset += vchrs;
 
                    readdata[key] = value;
                } 
                dataoffset += 1;
            break;
            default:
                error('SyntaxError', 'Unknown / Unhandled data type(s): ' + dtype);            break;
        }
        return [dtype, dataoffset - offset, typeconvert(readdata)];
    };
    return _unserialize((data+''), 0)[2];
}

function utf8_decode ( str_data ) {
    // Converts a UTF-8 encoded string to ISO-8859-1  
    // 
    // version: 1004.1212
    // discuss at: http://phpjs.org/functions/utf8_decode    // +   original by: Webtoolkit.info (http://www.webtoolkit.info/)
    // +      input by: Aman Gupta
    // +   improved by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
    // +   improved by: Norman "zEh" Fuchs
    // +   bugfixed by: hitwork    // +   bugfixed by: Onno Marsman
    // +      input by: Brett Zamir (http://brett-zamir.me)
    // +   bugfixed by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
    // *     example 1: utf8_decode('Kevin van Zonneveld');
    // *     returns 1: 'Kevin van Zonneveld'   
	var tmp_arr = [], i = 0, ac = 0, c1 = 0, c2 = 0, c3 = 0;
    
    str_data += '';
    
    while ( i < str_data.length ) {        c1 = str_data.charCodeAt(i);
        if (c1 < 128) {
            tmp_arr[ac++] = String.fromCharCode(c1);
            i++;
        } else if ((c1 > 191) && (c1 < 224)) {            c2 = str_data.charCodeAt(i+1);
            tmp_arr[ac++] = String.fromCharCode(((c1 & 31) << 6) | (c2 & 63));
            i += 2;
        } else {
            c2 = str_data.charCodeAt(i+1);            c3 = str_data.charCodeAt(i+2);
            tmp_arr[ac++] = String.fromCharCode(((c1 & 15) << 12) | ((c2 & 63) << 6) | (c3 & 63));
            i += 3;
        }
    } 
    return tmp_arr.join('');
}