///
// These are the main Ajax functions for the site.  They will make a request and load the needed section
//
//global variable for the current video id.
var leftLogoutTxt=' <a href="logout.php" onMouseOut="MM_swapImgRestore()" onMouseOver="MM_swapImage(\'Logout\',\'\',\'images/nav/Fermer_ON.jpg\',1)"><img src="images/nav/Fermer_OFF.jpg" alt="Fermer La Session" name="Logout"  border="0"></a>';
var bottomLogoutTxt="<a href='logout.php'><img border=0 src='images/Footer_Logout.jpg'></a>";

var detailsOn="images/Details_InfoTab_ON.jpg";
var detailsOff="images/Details_InfoTab.jpg";

function selectRange(what)
{
	what.createTextRange();
}

var updateLoginInfo = function()
{
   $cs('LoginFooter_DIV').innerHTML=bottomLogoutTxt;
   $cs('UserLogin_DIV').innerHTML=leftLogoutTxt;
   updateUserWelcome();
   window.setTimeout("updateRatingHits(currentVideoID)",1000);
}

var updateUserWelcome=function()
{
   var link="gallery.php";
   var pars="username=1";
   var myAjax = new Ajax.Updater(
			'HelloUser',
			link, 
			{
				method: 'GET', 
				asynchronous:true, 
				evalScripts:true,
				parameters:pars
			});
}

var _loadVideo=function()
{
   videoID=currentVideoID
   var link="videoDetail.php";
   var pars="videoID="+videoID+"&coments=1";
   var myAjax = new Ajax.Updater(
			'videoInfoComments_DIV',
			link, 
			{
				method: 'GET', 
				asynchronous:true, 
				evalScripts:true,
				parameters:pars,
				onComplete:_loadVideoCB
			});
   
}
var _loadVideoCB=function()
{
   showComments();
}

var updateLogin=function()
{
	var link="login.php";
 	var pars="updateLogin=1"
	var myAjax = new Ajax.Updater(
			'UserLogin_DIV',
			link, 
			{
				method: 'GET', 
				asynchronous:true, 
				evalScripts:true,
				parameters:pars
			});
	updateRatingHits(currentVideoID);
}

var updateRatingHits=function(videoID)
{
   
	try{
   	var link="hitsvotes.php";
 	var pars="videoID="+videoID
	var myAjax = new Ajax.Updater(
			'VoteHits_DIV',
			link, 
			{
				method: 'GET', 
				asynchronous:true, 
				evalScripts:true,
				parameters:pars
			});
	}
	catch(e){alert(e)}
}

var loadVideo=function(videoID)
{
   currentVideoID=videoID;
   var link="videoDetail.php";
   var pars="videoID="+videoID;
   var myAjax = new Ajax.Updater(
			'videoInfoComments_DIV',
			link, 
			{
				method: 'GET', 
				asynchronous:true, 
				evalScripts:true,
				parameters:pars,
				onComplete:completeLoadVideo
			});
}
var completeLoadVideo=function()
{
 
   updateRatingHits(currentVideoID);
   loadVideoTitle(currentVideoID);
   showVideoInfo();
   loadVideoFile(currentVideoID);
}

var loadVideoFile=function(videoID)
{
    
	var link="loadVideo.php";
 	var pars="videoID="+currentVideoID
	var myAjax = new Ajax.Request(
			link, 
			{
				method: 'GET', 
				asynchronous:true, 
				evalScripts:true,
				parameters:pars,
				onSuccess:function(req){
				setFlvPath(req.responseText);
				}
			});
};

var loadVideoTitle=function()
{
   var link="nowplaying.php";
 	var pars="videoID="+currentVideoID
	var myAjax = new Ajax.Updater(
			'NowPlaying',
			link, 
			{
				method: 'GET', 
				asynchronous:true, 
				evalScripts:true,
				parameters:pars
			});
}

var updateListingRow=function(page)
{
    var sort=$cs('sortVideoList');
   var sortBy=sort.options[sort.selectedIndex].value;

   var link="videoListPaging.php";
   var pars="page="+page+"&sort="+sortBy;  
   var myAjax = new Ajax.Updater(
			'VideoListTitle_DIV',
			link, 
			{
				method: 'GET', 
				asynchronous:true, 
				evalScripts:true,
				parameters:pars
			});
	updatePagingRow(link,pars);
}


function showPageResponse(req)
{

   var newdiv = document.createElement("div");
   newdiv.innerHTML = req.responseText;
   var container = document.getElementById("VideoList_DIV");
   container.innerHTML="";
   container.appendChild(newdiv);  
}

var updatePage=function(page)
{
   updateListingRow(page);
   var sort=$cs('sortVideoList');
   var sortBy=sort.options[sort.selectedIndex].value;


   var link="videoList.php";
   $cs('VideoList_DIV').innerHTML="";
   var pars="page="+page+"&sort="+sortBy;  
   var myAjax = new Ajax.Request(
			link, 
			{
				method: 'GET', 
				asynchronous:true, 
				evalScripts:true,
				parameters:pars,
				onComplete:showPageResponse
			});

}

var updateSort=function()
{
   var sort=$cs('sortVideoList');
   var sortBy=sort.options[sort.selectedIndex].value;
   if(sortBy>0)
	   updatePage(0);
}

var doVote=function(vote,videoID)
{
   var link="hitsvotes.php";
 
   var pars="videoID="+videoID+"&voteScore="+vote+"&doVote=1";  
   var myAjax = new Ajax.Updater(
			'VoteHits_DIV',
			link, 
			{
				method: 'GET', 
				asynchronous:true, 
				evalScripts:true,
				parameters:pars
			});
	
}

var sortAuthor=function(page,author)
{
   updateAuthorListingRow(author,page);
  
   var link="videosByAuthor.php";
   $cs('VideoList_DIV').innerHTML="";
   var pars="page="+page+"&ownerID="+author;  
   var myAjax = new Ajax.Request(
			link, 
			{
				method: 'GET', 
				asynchronous:true, 
				evalScripts:true,
				parameters:pars,
				onComplete:showPageResponse
			});

}

var updatePagingRow=function(url,pars)
{
	pars=pars+"&paging=1";
	 var myAjax = new Ajax.Updater(
			'VideoList_Paging_DIV',
			url, 
			{
				method: 'GET', 
				asynchronous:true, 
				evalScripts:true,
				parameters:pars
			});
}   

var updateAuthorListingRow=function(author,page)
{
  
   var link="videoAuthorPaging.php";
   var pars="page="+page+"&ownerID="+author;   
   var myAjax = new Ajax.Updater(
			'VideoListTitle_DIV',
			link, 
			{
				method: 'GET', 
				asynchronous:true, 
				evalScripts:true,
				parameters:pars
			});
	updatePagingRow(link,pars);
}

/* Main functions */
function updateComments()
{
  //needed for CSS bug
   removeWindow();
   $cs('VideoInfo_Comments').className="InfoBG";
   $cs('VidCommentMain_DIV').innerHTML="";
   _loadVideo();  
}
function showComments()
{
  //  $cs('VideoInfo_IMG').src=detailsOff;
	$cs('VideoInfo_Div').style.display="none";
	$cs('CommentsBody_Div').style.display="block";
	$cs('VideoInfo_Comments').className="CommentsBG";
	$cs('info_image').src="images/Info_Comments/Info_OFF.jpg";
	$cs('comments_image').src="images/Info_Comments/Comments.jpg";
}
function showVideoInfo()
{
	//$cs('VideoInfo_IMG').src=detailsOn;
	$cs('VideoInfo_Div').style.display="block";
	$cs('CommentsBody_Div').style.display="none";
	$cs('VideoInfo_Comments').className="InfoBG";
	$cs('info_image').src="images/Info_Comments/Info.jpg";
	$cs('comments_image').src="images/Info_Comments/Comments_OFF.jpg";
}