var site = 'http://videos.cnet.co.uk/';
var sitename = 'CNET UK videos';
var debug = false;

var current_video = null;
var current_tab = null;
var current_franchise = null;
var firstload = true;


function hidePlaylist() {
	if (debug) alert('Debugging information:' + "\n\n" + 'hidePlaylist(); called');
	var div = document.getElementById('ab_playlist_div');
	var tab = document.getElementById('ab_playlist_tab');
	if (tab && div) {
		div.style.height = '0px';
		tab.className = '';
	}
	return(true);
}

function addMedia(id, now) {
	if (debug) alert('Debugging information:' + "\n\n" + 'addMedia(' + id + ', ' + (now ? 'true' : 'false') + '); called');
	var videoPlayer = document.getElementById('player');
	videoPlayer.addMedia(id, now);
		return(true);
}

function updateVideoPageLivery(id, title, franchise, embeddable, attempts) {
	if (attempts > 30) {
		alert('The video is having trouble communicating with the rest of the webpage. This page may appear incomplete. This can happen when the page has taken a long time load, such as a slow connection or when there are many server requests.');
	} else {
		if (document.getElementById('dyn') && updateVideoPageLivery2) {
			updateVideoPageLivery2(id, title, franchise, embeddable);
		} else {
			attempts++;
			setTimeout('updateVideoPageLivery(' + id + ', \'' + title + '\', ' + franchise + ', ' + (embeddable ? 'true' : 'false') + ', ' +  attempts + ');', 1000);
			return(true);
		}
	}
}

function updateVideoPageLivery2(id, title, franchise, embeddable) {
	if (debug) alert('Debugging information:' + "\n\n" + 'updateVideoPageLivery2(' + id + ', \'' + title + '\', ' + franchise + ', ' + (embeddable ? 'true' : 'false') + '); called');

	if (firstload) {
		ajaxLoadTab(onloadtab.tab, onloadtab.sort, onloadtab.page, onloadtab.franchise, onloadtab.search);
		firstload = false;
	} else if (current_tab == 'playing' && franchise != current_franchise) {
		ajaxLoadTab(null, null, null, franchise, null);
	}
	current_video = id;
	current_franchise = franchise;
	
	ajaxLoadInfo(id);
		
		ajaxCommentGetList(id);

	var url = site + id + '.htm';
	var url_escaped = encodeURIComponent(url).replace(/%20/g, '+');
	var title_escaped = encodeURIComponent(title).replace(/%20/g, '+');

	var share_delicious = document.getElementById('share_delicious');
	if (share_delicious) share_delicious.href = 'http://del.icio.us/post?title=' + title_escaped + '&url=' + url_escaped;

	var share_digg = document.getElementById('share_digg');
	if (share_digg) share_digg.href = 'http://www.digg.com/submit?phase=2&url=' + url_escaped + '&title=' + title_escaped + '&media=video';
	
	var share_facebook = document.getElementById('share_facebook');
	if (share_facebook) share_facebook.href = 'http://www.facebook.com/share.php?u=' + url_escaped + '&t=' + title_escaped;

	var share_slashdot = document.getElementById('share_slashdot');
	if (share_slashdot) share_slashdot.href = 'http://slashdot.org/slashdot-it.pl?op=basic&url=' + url_escaped;

	var share_stumbleupon = document.getElementById('share_stumbleupon');
	if (share_stumbleupon) share_stumbleupon.href = 'http://www.stumbleupon.com/submit?title=' + title_escaped + '&url=' + url_escaped;
	
	var contents_getlink = document.getElementById('contents_getlink');
	if (contents_getlink) contents_getlink.value = url;

	var contents_embed = document.getElementById('contents_embed');
	var ab_embed_tab = document.getElementById('ab_embed_tab');
	if (embeddable && contents_embed && ab_embed_tab) {
		contents_embed.value = '<!-- Start CBS Interactive Embeded Player --><div style="width: 400px; overflow: hidden;"><object type="application/x-shockwave-flash" data="' + site + 'embed/' + id + '" codebase="http://fpdownload.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,0,0" width="400" height="265" allowfullscreen="true"><param name="allowScriptAccess" value="always" /><param name="movie" value="' + site + 'embed/' + id + '" /><param name="loop" value="false" /><param name="allowFullScreen" value="true" /><param name="quality" value="high" /><param name="bgcolor" value="#dddddd" /></object><div style="width: 400px; height: 26px; background-color: #dddddd; overflow: hidden;"><ul style="text-align: left; margin: 5px 0; padding: 2px; font-size: 10px; font-family: arial; color: #999;"><li style="list-style: none; float: left; margin-right: 5px;"><a href="' + site + id + '.htm" style="color: #fff; display: inline;">' + title + '</a></li><li style="list-style: none; float: left; margin-right: 5px;"><strong>|</strong></li><li style="list-style: none; float: left;"><a href="' + site + '" style="color: #ffffff; display: inline;">' + sitename + '</a></li></ul></div></div><!-- Finish CBS Interactive Embeded Player -->';
		ab_embed_tab.style.display = 'block';
	} else {
		contents_embed.value = '';
		ab_embed_tab.style.display = 'none';
	}
	return(true);
	
}

// Tab panel

var ajax_tab = new sack();

function ajaxTabLoading() {	
	if (debug) alert('Debugging information:' + "\n\n" + 'ajaxTabLoading(); called');
	var tabdiv = document.getElementById('dyn');	
	if (tabdiv) {
		removeChildNodes(tabdiv);
		var div = createTag('div', null, { 'align' : 'center' })
		div.appendChild(createTag('br'));
		div.appendChild(createTag('br'));
		div.appendChild(createTag('img', null, { 'src' : 'http://videos.cnet.co.uk/i/videos/ico-ajax-cog.gif'}));
		div.appendChild(createTag('p', 'Fetching list of videos...'));
		div.appendChild(createTag('br'));
		tabdiv.appendChild(div);
	}
	return(true);
}

function ajaxTabCompleted() {
	if (debug) alert('Debugging information:' + "\n\n" + 'ajaxTabCompleted(); called');
	var dyn = document.getElementById('dyn');
	if (dyn) dyn.innerHTML = ajax_tab.response;
	return(true);
}

function ajaxLoadTab(tab, sort, page, franchise, search) {
	if (debug) alert('Debugging information:' + "\n\n" + 'ajaxLoadTab(' + tab + ', ' + sort + ', ' + page + ', ' + franchise + ', ' + search + '); called');
	current_tab = (tab ? tab : current_tab);
	
	var tabs = new Array('playing', 'top', 'all', 'advertiser', 'search');
	for (i = 0; i < tabs.length; i++) {
		tabdiv = document.getElementById('tab-' + tabs[i]);
		if (tabdiv) {
			if (current_tab == tabs[i]) {	
				check_selected = new RegExp('\\b'+'selected'+'\\b').test(tabdiv.className);	
				if (!check_selected) {
					tabdiv.className = 'selected ' + tabdiv.className;
				}
			} else {				
				tabdiv.className = tabdiv.className.replace(/selected/i, '');
			}
		}
	}
	ajax_tab.resetData();
   	ajax_tab.setVar('tab', (current_tab ? current_tab : ''));
   	ajax_tab.setVar('sort', (sort ? sort : ''));
   	ajax_tab.setVar('page', (page ? page : ''));
   	ajax_tab.setVar('franchise', (current_tab == 'playing' && current_franchise ? current_franchise : (franchise ? franchise : '')));
   	ajax_tab.setVar('search', (search ? search : ''));
	ajax_tab.requestFile = '/ajax-tab.htm';
   	ajax_tab.onLoading = ajaxTabLoading;
   	ajax_tab.onCompletion = ajaxTabCompleted;
  	ajax_tab.runAJAX();
	//return(true);
}


// Video info panel

var ajax_info = new sack();

function ajaxInfoLoading() {
	if (debug) alert('Debugging information:' + "\n\n" + 'ajaxInfoLoading(); called');
	var info = document.getElementById('infoBox');
	if (info) {
		removeChildNodes(info);
		var div = createTag('div', null, { 'align' : 'center' })
		div.appendChild(createTag('br'));
		div.appendChild(createTag('br'));
		div.appendChild(createTag('img', null, { 'src' : 'http://videos.cnet.co.uk/i/videos/ico-ajax-cog.gif'}));
		div.appendChild(createTag('p', 'Fetching info for this video...'));
		div.appendChild(createTag('br'));
		info.appendChild(div);
	}
	return(true);
}

function ajaxInfoCompleted() {
	if (debug) alert('Debugging information:' + "\n\n" + 'ajaxInfoCompleted(); called');
	document.getElementById('infoBox').innerHTML = ajax_info.response;
	return(true);
}


function ajaxLoadInfo(id) {
	if (debug) alert('Debugging information:' + "\n\n" + 'ajaxLoadInfo(' + id + '); called');
	ajax_info.resetData();
	ajax_info.setVar('id', id);	
	ajax_info.requestFile = '/ajax-videoinfo.htm';
	ajax_info.onLoading = ajaxInfoLoading;
	ajax_info.onCompletion = ajaxInfoCompleted;
	ajax_info.runAJAX();
	return(true);
}



// Comments panel


if (debug) { alert('Debugging information: javascript loaded okay'); }