var tvget890_all;
var tvget890_elem;
var tvget890_track;
var tvget890_thumb;
var tvget890_height;
var tvget890_cntHeight;
var tvget890_trcHeight;
var tvget890_mean = 50;
var tvget890_current = 0;
var tvget890_jump_pattern="http://beln.by/index/0-12/?tvget_channel_id=%CHANNEL_ID%";

function tvget_jump2schedule(channel_id) {
  document.getElementById('tvnow890_jump_link').href = tvget890_jump_pattern.replace(new RegExp("%CHANNEL_ID%", 'g'), channel_id);
  document.getElementById('tvnow890_jump_link').click();
  return false;
}


var tvget890_doScroll = function (e) {
    var elem = document.getElementById('tvget890_scroll_area');

    // cross-browser wheel delta
    e = window.event || e;
    var delta = Math.max(-1, Math.min(1, (e.wheelDelta || -e.detail)));
    
    var scrolltop = elem.scrollTop;
    
    // scrollTop property takes positive values when you scroll down and our delta variable behaves otherwise, so the equation will be:
    elem.scrollTop = scrolltop - delta * tvget890_mean;
    
    // set top position for the scrollbar thumb
    tvget890_thumb.style.top = (elem.scrollTop/tvget890_cntHeight * tvget890_trcHeight) + 'px';
    e.preventDefault();
};


function tvget890_init_scroll() {
  tvget890_all = document.getElementById('tvget890_now_block');
  tvget890_elem = document.getElementById('tvget890_scroll_area');
  tvget890_track = document.getElementById('tvget890_scrollbar_track');
  tvget890_thumb = document.getElementById('tvget890_scrollbar_thumb');
  tvget890_height = parseInt(tvget890_elem.offsetHeight, 10);
  tvget890_cntHeight = parseInt(tvget890_elem.children[0].clientHeight, 10);
  tvget890_trcHeight = parseInt(tvget890_track.offsetHeight, 10);
  tvget890_thumb.style.height = Math.round(tvget890_height/tvget890_cntHeight * tvget890_trcHeight) + 'px'; 


  if (tvget890_elem.addEventListener) {
    tvget890_elem.addEventListener("mousewheel", tvget890_doScroll, false); 
    tvget890_elem.addEventListener("DOMMouseScroll", tvget890_doScroll, false);
  } else {
    tvget890_elem.attachEvent("onmousewheel", tvget890_doScroll);
  }  

}


function tvget_now_expand_desc(prid) {
  var el = document.getElementById(prid);
  if (el.style.display == 'none' || el.style.display == '')
    el.style.display = 'block';
  else
    el.style.display = 'none';
}

function tvget890_makeHttpRequest(url, callback_function, return_xml) {
  var http_request = false;

  if (window.XMLHttpRequest) {
    http_request = new XMLHttpRequest();
    if (http_request.overrideMimeType) {
      http_request.overrideMimeType('text/html');
    }

  } else if (window.ActiveXObject) {
    try {
      http_request = new ActiveXObject("Msxml2.XMLHTTP");
    } catch (e) {
      try {
        http_request = new ActiveXObject("Microsoft.XMLHTTP");
      } catch (e) {}
    }
  }

  if (!http_request) {
    alert("Unfortunatelly you browser doesn't support this feature.");
    return false;
  }
  http_request.onreadystatechange = function() {
    if (http_request.readyState == 4) {
      if (http_request.status == 200) {
        var regex = /<content>([^<]*)<\/content>/gi;
        match = http_request.responseText.match(regex);
        var body = match[0].replace("<content>", "").replace('<\/content>', "");
        document.getElementById('tvget890_now_block_content').innerHTML = tvget_start_Base64.decode(body);
        tvget890_init_scroll();

      } else {
        alert('There was a problem with the request.(Code: ' + http_request.status + ')');
      }
    }
  };
  http_request.open('GET', url, true);
  http_request.send(null);
}


function tvget890_loadedWait() {
  if (typeof(tvget890_loaded) === "function") {
    tvget890_loaded();
  } else
    setTimeout(tvget890_loadedWait(), 100);
}

function tvget890_loadBanner(xml) {
  var html_content = xml.getElementsByTagName('content').item(0).firstChild.nodeValue;
  var reload_after = xml.getElementsByTagName('reload').item(0).firstChild.nodeValue;
  document.getElementById('tvget890_now_block_content').innerHTML = html_content;
  tvget890_loadedWait();

  try {
    clearTimeout(to);
  } catch (e) {}

}


function tvget890_loaded() {
  tvget890_fleXenv.fleXcrollInit();
}

function tvget890_nextAd() {
  var now = new Date();
  var el = document.getElementById("tvget890_now_block");
  el.innerHTML =
    "<link rel='stylesheet' type='text/css' href='//tvget.ru/tvgate/nb/1.0/wkfgie65/css/tvget_now.css'>" +
    "<link rel='stylesheet' type='text/css' href='//tvget.ru/tvgate/nb/1.0/wkfgie65/css/tvget_now_custom.css'>" +
    "<div id='tvget890_scroll_area'><div id='tvget890_scroll_content'>" +
    "<ul id='tvget890_now_block_content'></ul>"+
    "</div></div>" +
    "<span id='tvget890_scrollbar_track'><span id='tvget890_scrollbar_thumb'></span></span>"
    ;

  var url = '//tvget.ru/tvgate/nb/1.0/wkfgie65/tv_now.php?r=' + now.getTime();
  tvget890_makeHttpRequest(url, 'tvget890_loadBanner', true);

}

var tvget_start_Base64 = {

  _keyStr: "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=",
  encode: function(input) {
    var output = "";
    var chr1, chr2, chr3, enc1, enc2, enc3, enc4;
    var i = 0;

    input = tvget_start_Base64._utf8_encode(input);

    while (i < input.length) {

      chr1 = input.charCodeAt(i++);
      chr2 = input.charCodeAt(i++);
      chr3 = input.charCodeAt(i++);

      enc1 = chr1 >> 2;
      enc2 = ((chr1 & 3) << 4) | (chr2 >> 4);
      enc3 = ((chr2 & 15) << 2) | (chr3 >> 6);
      enc4 = chr3 & 63;

      if (isNaN(chr2)) {
        enc3 = enc4 = 64;
      } else if (isNaN(chr3)) {
        enc4 = 64;
      }

      output = output +
        this._keyStr.charAt(enc1) + this._keyStr.charAt(enc2) +
        this._keyStr.charAt(enc3) + this._keyStr.charAt(enc4);

    }

    return output;
  },

  decode: function(input) {
    var output = "";
    var chr1, chr2, chr3;
    var enc1, enc2, enc3, enc4;
    var i = 0;

    input = input.replace(/[^A-Za-z0-9\+\/\=]/g, "");

    while (i < input.length) {

      enc1 = this._keyStr.indexOf(input.charAt(i++));
      enc2 = this._keyStr.indexOf(input.charAt(i++));
      enc3 = this._keyStr.indexOf(input.charAt(i++));
      enc4 = this._keyStr.indexOf(input.charAt(i++));

      chr1 = (enc1 << 2) | (enc2 >> 4);
      chr2 = ((enc2 & 15) << 4) | (enc3 >> 2);
      chr3 = ((enc3 & 3) << 6) | enc4;

      output = output + String.fromCharCode(chr1);

      if (enc3 != 64) {
        output = output + String.fromCharCode(chr2);
      }
      if (enc4 != 64) {
        output = output + String.fromCharCode(chr3);
      }

    }

    output = tvget_start_Base64._utf8_decode(output);

    return output;

  },

  _utf8_encode: function(string) {
    /*        string = string.replace("/\r\n/g","\n"); */
    var utftext = "";

    for (var n = 0; n < string.length; n++) {

      var c = string.charCodeAt(n);

      if (c < 128) {
        utftext += String.fromCharCode(c);
      } else if ((c > 127) && (c < 2048)) {
        utftext += String.fromCharCode((c >> 6) | 192);
        utftext += String.fromCharCode((c & 63) | 128);
      } else {
        utftext += String.fromCharCode((c >> 12) | 224);
        utftext += String.fromCharCode(((c >> 6) & 63) | 128);
        utftext += String.fromCharCode((c & 63) | 128);
      }

    }

    return utftext;
  },

  _utf8_decode: function(utftext) {
    var string = "";
    var i = 0;
    var c = c1 = c2 = 0;

    while (i < utftext.length) {

      c = utftext.charCodeAt(i);

      if (c < 128) {
        string += String.fromCharCode(c);
        i++;
      } else if ((c > 191) && (c < 224)) {
        c2 = utftext.charCodeAt(i + 1);
        string += String.fromCharCode(((c & 31) << 6) | (c2 & 63));
        i += 2;
      } else {
        c2 = utftext.charCodeAt(i + 1);
        c3 = utftext.charCodeAt(i + 2);
        string += String.fromCharCode(((c & 15) << 12) | ((c2 & 63) << 6) | (c3 & 63));
        i += 3;
      }

    }

    return string;
  }
};


if (!false)  {
  document.addEventListener('touchmove', function(e) {
    e.preventDefault();
  }, false);
}


//window.onload = tvget890_nextAd;
//tvget890_nextAd();

window.addEventListener("load",function(event) {
  tvget890_nextAd(); 
},false);