var keyStr = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";

var ua = navigator.userAgent.toLowerCase();
if (ua.indexOf(" chrome/") >= 0 || ua.indexOf(" firefox/") >= 0 || ua.indexOf(' gecko/') >= 0) {
	var StringMaker = function () {
		this.str = "";
		this.length = 0;
		this.append = function (s) {
			this.str += s;
			this.length += s.length;
		}
		this.prepend = function (s) {
			this.str = s + this.str;
			this.length += s.length;
		}
		this.toString = function () {
			return this.str;
		}
	}
} else {
	var StringMaker = function () {
		this.parts = [];
		this.length = 0;
		this.append = function (s) {
			this.parts.push(s);
			this.length += s.length;
		}
		this.prepend = function (s) {
			this.parts.unshift(s);
			this.length += s.length;
		}
		this.toString = function () {
			return this.parts.join('');
		}
	}
}


function encode64(input) {
	var output = new StringMaker();
	var chr1, chr2, chr3;
	var enc1, enc2, enc3, enc4;
	var i = 0;

	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.append(keyStr.charAt(enc1) + keyStr.charAt(enc2) + keyStr.charAt(enc3) + keyStr.charAt(enc4));
   }
   
   return output.toString();
}

function decode64(input) {
	var output = new StringMaker();
	var chr1, chr2, chr3;
	var enc1, enc2, enc3, enc4;
	var i = 0;

	// remove all characters that are not A-Z, a-z, 0-9, +, /, or =
	input = input.replace(/[^A-Za-z0-9\+\/\=]/g, "");

	while (i < input.length) {
		enc1 = keyStr.indexOf(input.charAt(i++));
		enc2 = keyStr.indexOf(input.charAt(i++));
		enc3 = keyStr.indexOf(input.charAt(i++));
		enc4 = keyStr.indexOf(input.charAt(i++));

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

		output.append(String.fromCharCode(chr1));

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

	return output.toString();
}

function showOnPagePlayer(src)
{
	if (/MSIE (8).+Win/.test(navigator.userAgent)) {
		var docWidth = widthInIeEight();
	} else {
		var docWidth = $(document).width();
	}
	$("#onPagePlayerShadow").css("height", $(document).height());
	$("#onPagePlayerShadow").css("width", docWidth);
	$("#onPagePlayerShadow").show();

	$(".onPagePlayerHolder").css("width", docWidth);
	$(".onPagePlayerHolder").show();
	if($('embed').attr("id") == "video360Embed"){
		$("#video360copyright").show();
		var onPagePlayerLeft = $("#onPagePlayerBody").position().left + $("#onPagePlayerBody").outerWidth() - 40;
	    var onPagePlayerTop = $("#onPagePlayerBody").position().top + $("#onPagePlayerBody").outerHeight() - 40 + 4;
    	$("#full_screen_btn_holder").css({"left": onPagePlayerLeft, "top": onPagePlayerTop});
		$("#full_screen_btn_holder").show();
	}
	window.scrollTo(0,0);
	
	loadOnPagePlayerClip(src);
	
	return false;
	//return false;
}

function appendOnPagePlayerVideoTitle(str)
{
	var onPagePlayerVideoTitle = document.getElementById("onPagePlayerVideoTitle");
	onPagePlayerVideoTitle.innerHTML = onPagePlayerVideoTitle.innerHTML + str;
}

function replaceOnPagePlayerVideoTitle(str)
{
	var onPagePlayerVideoTitle = document.getElementById("onPagePlayerVideoTitle");
	onPagePlayerVideoTitle.innerHTML = str;
}

function clearOnPagePlayerVideoTitle()
{
	var onPagePlayerVideoTitle = document.getElementById("onPagePlayerVideoTitle");
	if ( onPagePlayerVideoTitle.hasChildNodes() )
	{
		while (onPagePlayerVideoTitle.childNodes.length >= 1) {
			onPagePlayerVideoTitle.removeChild( onPagePlayerVideoTitle.firstChild);
		}
	}
}

function loadOnBillboardPlayerClip(src,id,width,height)
{
  block = $('#head_area');
  block.children('img').hide();
  block.children('#head_area_text').hide();
  loadOnPagePlayerClip(src,id,width,height);
  $('.more_videos_box').hide();
}

function loadOnPagePlayerClip(src,id,width,height)
{
  if( id ) {
	 var playerJsHolder = document.getElementById( id );
  } else {
	 var playerJsHolder = document.getElementById("onPagePlayerBody");
  }
	if ( playerJsHolder.hasChildNodes() )
	{
		while (playerJsHolder.childNodes.length >= 1) {
			playerJsHolder.removeChild( playerJsHolder.firstChild);
		}
	}
	
	if( width && height && width > 0 && height > 0 ) {
    parameters = '/' + width + '/' + height;
  } else {
    parameters = '';
  }
	
	var playerJsIframe = document.createElement("iframe");
	var href = "/en/videoPlayer/get_player_video/'" + encode64(src) + "'" + parameters;
	playerJsIframe.setAttribute("src", href);
	playerJsIframe.setAttribute("id", "playerJsIframe");
	playerJsIframe.setAttribute("height", "100%");
	playerJsIframe.setAttribute("width", "100%");
	playerJsIframe.setAttribute("scrolling", "no");
	playerJsIframe.setAttribute("frameborder", "0");
	
	playerJsIframeBody = document.getElementById("onPagePlayerBody");
	
	if ((playerJsHolder != null) && (playerJsHolder != 'undefined')) {
		playerJsHolder.appendChild(playerJsIframe);
	}

  if( id == '' ) {
	getFrameContents(src);
	}
}

function getFrameContents(src){
	var playerJsIframe = document.getElementById("playerJsIframe");
	
	var iFrame =  document.getElementById('playerJsIframe');

	var iFrameBody;

	if (iFrame.contentDocument) { // FF
		iFrameBody = iFrame.contentDocument.getElementsByTagName('body')[0];
		var playerJsLink = iFrame.contentDocument.createElement("script");
	} else if (iFrame.contentWindow) { // IE
		iFrameBody = iFrame.contentWindow.document.getElementsByTagName('body')[0];
		var playerJsLink = iFrame.contentWindow.document.createElement("script");
	}

	playerJsLink.setAttribute("type", "text/javascript");
	playerJsLink.setAttribute("id", "playerJsLinkScript");
	playerJsLink.setAttribute("src", src);
	iFrameBody.appendChild(playerJsLink);

	return iFrameBody;
}


function setVideoLoaderResponse()
{
	if (console) {
		console.log('====');
	}
}

function hideOnPagePlayer()
{
	$("#onPagePlayerShadow").hide();
	$(".onPagePlayerHolder").hide();
	stop_c_player();
	
	$(".custom_video_360_photos_link").click();
	
	//return false;
}