function send_xmlhttprequest(obsluha, method, url, content, headers) {
	var xmlhttp = (window.XMLHttpRequest ? new XMLHttpRequest : (window.ActiveXObject ? new ActiveXObject("Microsoft.XMLHTTP") : false));

	if (!xmlhttp)
		return false;

	xmlhttp.open(method, url);

	if (obsluha != null)
		xmlhttp.onreadystatechange = function() {
			obsluha(xmlhttp);
		};

	if (headers) {
		for (var key in headers)
			xmlhttp.setRequestHeader(key, headers[key]);
	}

	xmlhttp.send(content);
	return true;
}

function open_popup(dokument, sirka, vyska, scrollbars) {
	so = screen.width;
	vo = screen.height;
	zleva = ((so - sirka) / 2) - 13;
	shora = 120;
	popup_win = window.open(dokument,"popup_okno","width="+sirka+",height="+vyska+",left="+zleva+",top="+shora+",location=0,menubar=0,resizable=1,scrollbars="+scrollbars+",status=0,titlebar=0,toolbar=0");
	popup_win.focus();
}

function Show(id, show) {
    if (show)
        document.getElementById(id).style.visibility='visible';
    else
        document.getElementById(id).style.visibility='hidden';
}

function Show2(id, show, el, child) {
  var tmp = document.getElementById(id);
  var tr = document.getElementById(el);
  
  var bgCol = "#fff";
  if (child)
    bgCol = "#f5ebea";
  
  if (show) {
      if(tmp != null) 
        tmp.style.display='block';
    //alert(el.className);
      if(tr != null) 
        tr.style.backgroundColor = "#eee";
  } else {
      if(tmp != null) 
        tmp.style.display='none';
      if(tr != null) 
        tr.style.backgroundColor = bgCol;
    }
}

function mute(m) {
    if ((m == "on") || (m == "off"))
        send_xmlhttprequest(null, "GET", "/audio_mute.php?mute=" + m);
}


function reload_confirm_image() {
	var d = new Date();
	var obj = document.getElementById('confirm_data_image_image');

	if (obj)
		obj.src = '/confirm_number.php?new&time=' + d.getTime();
}

function change_confirm_style(second) {
	var obj1 = document.getElementById('confirm_data_image');
	var obj2 = document.getElementById('confirm_data_flash');

	if (second) {
		obj1.style.display = 'none';
		obj2.style.display = 'block';
	} else {
		obj2.style.display = 'none';
		obj1.style.display = 'block';
	}
}

function on_off(_id) {
    var elem = document.getElementById(_id); 

    if (elem == null)
        return;

    if (elem.style.display == "none")
        elem.style.display = "block";
    else
        elem.style.display = "none";
}

function view_row(id, _pm) {
    var table = document.getElementById('product_table');
    var style = 'nodisplay p_'+id;
    var new_style = 'b2b_child p_'+id;
    var otevrit = false;

    for (var i = 0; i < table.rows.length; i++){
        var x = table.rows[i];

        if (x.className == style) {
            x.className = new_style;
            otevrit = true;
        }
    }
    
    if(otevrit == false){
        _pm.className = 'b2b_plus'; 
        for (var i = 0; i < table.rows.length; i++){
            var x = table.rows[i];

            if (x.className == new_style) {
                x.className = style ;
            }
        }
    } else {
        _pm.className = 'b2b_minus'; 
    }
}

function anonym_email(formular, profile, language) {
	var email = formular.email.value;

	if (!send_xmlhttprequest(anonym_email_r, 'GET', '/aemail.php?p=' + profile + '&l=' + language + '&e=' + email)) {
		return true;
	}

	return false;
}

function anonym_email_r(xmlhttp) {
	if (xmlhttp.readyState == 4) {
		document.getElementById('dark_bg').style.display = 'block';
		document.getElementById('matwindow').style.display = 'block';
		document.getElementById('matwindow_in').style.display = 'block';
		document.getElementById('matwindow_in').innerHTML = xmlhttp.responseText;

        reg = /^.*MSIE 6.*$/;
        if (reg.test(navigator.appVersion)) {
            var sel = document.body.getElementsByTagName("SELECT");
            for (var i = 0; i < sel.length; i++)
                sel[i].style.visibility = "hidden";
        }
	}
}

function close_matwindow() {
	var obj = document.getElementById('matwindow');
    var obj2 = document.getElementById('matwindow_in');
    var obj3 = document.getElementById('dark_bg');

	if (obj) {
		obj2.innerHTML = '';
		obj.style.display = 'none';
		obj2.style.display = 'none';
	}

	if (obj3)
		obj3.style.display = 'none';

    reg = /^.*MSIE 6.*$/;
    if (reg.test(navigator.appVersion)) {
        var sel = document.body.getElementsByTagName("SELECT");
        for (var i = 0; i < sel.length; i++)
            sel[i].style.visibility = "visible";
    }
}


function MaxLength(Event, Object, MaxLen)
{
        return (Object.value.length <= MaxLen)||(Event.keyCode == 8 ||Event.keyCode==46||(Event.keyCode>=35&&Event.keyCode<=40))
}