function init() {
	tinyMCEPopup.resizeToInnerSize();
}

function isValidUrl( url )
{
	var regexp = /(http|https):\/\/(\w+:{0,1}\w*@)?(\S+)(:[0-9]+)?(\/|\/([\w#!:.?+=&%@!\-\/]))?/
	return regexp.test(url);
}

function getYouTubeLink( url )
{
	// check if this is a URL pointing to a youtube link or to a youtube video
	if( url.substring( 0, 31 ) == "http://www.youtube.com/watch?v=" ) {
		// and if it's a link to a normal youtube page, build the right link to the video player
		var regexp = /http:\/\/www.youtube.com\/.*?v=([\-0-9a-zA-z_]*).*/i;
		result = regexp.exec( url );
		if( result ) {
			videoId = result[1];
		}
		else {
			// let's try to make a best guess...
			videoId = url.substring( 31, url.length );
		}

		url = "http://www.youtube.com/v/" + videoId;
	}

	// Checks if the URL is missing WWW.
	else if ( url.substring( 0, 27 ) == "http://youtube.com/watch?v=" ) {
			// and if it's a link to a normal youtube page, build the right link to the video player
			var regexp = /http:\/\/youtube.com\/.*?v=([\-0-9a-zA-z_]*).*/i;
			result = regexp.exec( url );
			if( result ) {
				videoId = result[1];
			}
			else {
				// let's try to make a best guess...
				videoId = url.substring( 27, url.length );
			}

			url = "http://www.youtube.com/v/" + videoId;
	}

	return( url );
}

function getGoogleVideoLink( url )
{
	// check if it's a link to a video page or a link to the video player
	if( url.substring( 0, 40 ) == "http://video.google.com/videoplay?docid=" ) {
		// if it's a link to a video page, generate the right one
		var regexp = /http:\/\/video.google.com\/.*?docid=([\-0-9a-zA-z_]*).*/i;
		result = regexp.exec( url );
		if( result ) {
			videoId = result[1];
		}
		else {		
			videoId = url.substring( 40, url.length );
		}				
		
		url = "http://video.google.com/googleplayer.swf?docId=" + videoId;
	}
	
	return( url );
}

function getMetacafeVideoLink( url )
{
	// check if it's a link to a video page or a link to the video player
	if( url.substring( 0, 30 ) == "http://www.metacafe.com/watch/" ) {
		// if it's a link to a video page, generate the right one
		var regexp = /http:\/\/www.metacafe.com\/watch\/.*?docid=([\-0-9a-zA-z_]*).*/i;
		result = regexp.exec( url );
		if( result ) {
			videoId = result[1];
		}
		else {		
			videoId = url.substring( 30, url.length - 1 );
		}				
		
		url = "http://www.metacafe.com/fplayer/" + videoId + ".swf";
	}
	
	return( url );
}

function getiFilmVideoLink( url )
{
	// check if it's a link to a video page or a link to the video player
	if( url.substring( 0, 27 ) == "http://www.ifilm.com/video/" ) {
		// if it's a link to a video page, generate the right one
		var regexp = /http:\/\/www.ifilm.com\/video\/.*?docid=([\-0-9a-zA-z_]*).*/i;
		result = regexp.exec( url );
		if( result ) {
			videoId = result[1];
		}
		else {		
			videoId = url.substring( 27, url.length );
		}				
		
		url = "http://www.ifilm.com/efp?flvbaseclip=" + videoId ;
	}

	return( url );
}

function getGoearVideoLink( url )
{
	// check if it's a link to a video page or a link to the video player
	if( url.substring( 0, 34 ) == "http://www.goear.com/listen.php?v=" ) {
		// if it's a link to a video page, generate the right one
		var regexp = /http:\/\/www.goear.com\/.*?v=([\-0-9a-zA-z_]*).*/i;
		result = regexp.exec( url );
		if( result ) {
			videoId = result[1];
		}
		else {		
			videoId = url.substring( 34, url.length );
		}				
		url = "http://www.goear.com/files/localplayer.swf?file=" + videoId ;
	}

	return( url );
}

function getGrouperVideoLink( url )
{
	// check if it's a link to a video page or a link to the video player
	if( url.substring( 0, 46 ) == "http://grouper.com/video/MediaDetails.aspx?id=" ) {
		// if it's a link to a video page, generate the right one
		var regexp = /http:\/\/www.grouper.com\/video\/MediaDetails.aspx.*?id=([\-0-9a-zA-z_]*).*/i;
		result = regexp.exec( url );
		if( result ) {
			videoId = result[1];
		}
		else {		
			videoId = url.substring( 46, url.length );
		}		
		
		url = "http://grouper.com/mtg/mtgPlayer.swf?gvars=vurl~http%3a%2f%2fgrouper.com%2frss%2fflv.ashx%3fid%3d" + videoId + "_rf%7e-9_vfver~8_ap~1_extid~-1";
	}

	return( url );
}

function insertVideoCode()
{
	// get and check the URL
	urlField = document.forms[0].url;
	url = urlField.value;
	if( url == "" || !isValidUrl( url )) {
		window.alert( "The URL is not valid" );
		return( false );
	}
	
	// check if a destination system was selected
	youtube = document.getElementById("youtube");
	gvideo = document.getElementById("gvideo");
//	dalealplay = document.getElementById("dalealplay");
	metacafe = document.getElementById("metacafe");
	ifilm = document.getElementById("ifilm");
      goear = document.getElementById("goear");
      grouper = document.getElementById("grouper");

//	bolt = document.getElementById("bolt");

	if( youtube.checked==false && gvideo.checked==false && metacafe.checked==false && ifilm.checked==false && goear.checked==false && grouper.checked==false ) {
		window.alert( "You must select the right video site." );
		return( false );	
	}
	
	if( youtube.checked == true ) {
		link = getYouTubeLink( url );
		css="ltVideoYouTube";
		width=450;
		height=350;
	}
	if( gvideo.checked == true ) {
		link = getGoogleVideoLink( url );	
		css="ltVideoGoogleVideo";
		width=400;
		height=326;		
	}
	if( metacafe.checked == true ) {
		link = getMetacafeVideoLink( url );	
		css="ltVideoMetacafe";
		width=400;
		height=345;		
	}
  if( ifilm.checked == true ) {
		link = getiFilmVideoLink( url );
		css="ltVideoIfilm";
		width=448;
		height=365;
	}
	if( goear.checked == true ) {
		link = getGoearVideoLink( url );	
		css="ltVideoGoear";
		width=366;
		height=75;		
	}	
	if( grouper.checked == true ) {
		link = getGrouperVideoLink( url );	
		css="ltVideoGrouper";
		width=496;
		height=398;		
	}	
	insertFlash( link, css, width, height );
}

function insertFlash( file, css, width, height ) {

	var html      = '';

	html += ''
		+ '<img src="' + (tinyMCE.getParam("theme_href") + "/images/spacer.gif") + '" mce_src="' + (tinyMCE.getParam("theme_href") + "/images/spacer.gif") + '" '
		+ 'width="' + width + '" height="' + height + '" '
		+ 'border="0" alt="' + file + '" title="' + file + '" class="'+css+'" />';

	tinyMCEPopup.execCommand("mceInsertContent", true, html);
	tinyMCE.selectedInstance.repaint();

	tinyMCEPopup.close();
}