/**
 * Youtube Download Links
 * 
 * Add downloadable links in Youtube Page
 * 
 * 
 * == Bookmarklet ==
 * javascript:var%20d=document,s=d.createElement('script');s.charset='UTF-8';s.src='http://jjworkshop.com/scripts/youtube_downloadable_links_ex.js';d.body.appendChild(s);void(0);
 * 
 * original
 *      http://creazy.net/2008/11/youtube_downloader_greasemonkey.html
 *      yager <yager at creazy.net>
*
 * modify by JJ 2010/4/8
 *      http://jjworkshop.com/
 *      shirai@as.email.ne.jp
 */

var ver = '[Download Links ver 0.9.2.1]';

var isIE = /*@cc_on!@*/false;
var d = document;
// var insDiv = 'watch-headline';
var insDiv = 'watch-info';

ver += '<br />&nbsp;' + '<a href="'+document.URL+'&fmt=18">If MP4 is necessary, it clicks.</a>'
ver += '<br />&nbsp;&nbsp;<font color="red">Please put the extension on the saved file.</font>&nbsp;(ex. videoplayback.flv or videoplayback.mp4)';

var u
    = 'http://hogehoge.com/checkHoge3.cgi';	←ここは変えてね！

// Formats [number, description]
var f = [
            [5, '(.flv):normal 320x240'],
            [6, '(.flv):HQ     448x336'],
            [18,'(.mp4):iPhone 480x360'],
            [22,'(.mp4):HD    1280x720'],
            [35,'(.flv):HQ35   640x480']
        ];

// URLゲット
var swfHTML;
if (isIE) {
	swfHTML=document.getElementById('movie_player').getElementsByTagName('param')[1].value;
}
else {
	swfHTML=document.getElementById('movie_player').getAttribute('flashvars');
}
var w=swfHTML.split('&');
var links = '';
function getUrl(iFmt)	{
	for(var i=0;i<=w.length-1;i++) if(w[i].split('=')[0] == 'fmt_url_map'){links=unescape(w[i].split('=')[1]);break;}
	abc = links.split(',');
	for(var j=0;j<=abc.length-1;j++){
		fmt=abc[j].split('|')[0];
		if(fmt==iFmt){
			return abc[j].split('|')[1];
		}
	}
	return '';
}

if(!d.getElementById('DL-YT-video') && (location.href.match(/http:\/\/[a-zA-Z\.]*youtube\.com\/watch/)) ) {

    /**
     * no fmt
     */
    d.getElementById(insDiv).innerHTML += '<div id="DL-YT-ver">'+ver+'</div>'+'<div id="DL-YT-video"></div>';
    url0 = u + '?callback=checkURL0';
    d.getElementById('DL-YT-video').innerHTML
        += '<div id="DL-YT-video-formats-'+f[0][0]+'">[checking] '+f[0][1]+'</div>';
    checkURL0 = function() {
        block  = document.getElementById('DL-YT-video-formats-'+f[0][0]);
        var url = getUrl(f[0][0]);
        if ( url != '' ) {
            block.innerHTML = '<a href="'+url+'">[OK] DL '+f[0][1]+'</a><br />';
        }
        else {
            block.innerHTML = '[NG] DL '+f[0][1]+'<br />';
        }
    }
    script = document.createElement('script');
    script.charset = 'UTF-8';
    script.src     = url0;
    document.body.appendChild(script);

    /**
     * &fmt=6
     */
    d.getElementById(insDiv).innerHTML += '<div id="DL-YT-video"></div>';
    url1 = u + '?callback=checkURL1';
    d.getElementById('DL-YT-video').innerHTML
        += '<div id="DL-YT-video-formats-'+f[1][0]+'">[checking] '+f[1][1]+'</div>';
    checkURL1 = function() {
        block  = document.getElementById('DL-YT-video-formats-'+f[1][0]);
        var url = getUrl(f[1][0]);
        if ( url != '' ) {
            block.innerHTML = '<a href="'+url+'">[OK] DL '+f[1][1]+'</a><br />';
        }
        else {
            block.innerHTML = '[NG] DL '+f[1][1]+'<br />';
        }
    }
    
    script = document.createElement('script');
    script.charset = 'UTF-8';
    script.src     = url1;
    document.body.appendChild(script);

    /**
     * &fmt=18
     */
    d.getElementById(insDiv).innerHTML += '<div id="DL-YT-video"></div>';
    url2 = u + '?callback=checkURL2';
    d.getElementById('DL-YT-video').innerHTML
        += '<div id="DL-YT-video-formats-'+f[2][0]+'">[checking] '+f[2][1]+'</div>';
    checkURL2 = function() {
        block  = document.getElementById('DL-YT-video-formats-'+f[2][0]);
        var url = getUrl(f[2][0]);
        if ( url != '' ) {
            block.innerHTML = '<a href="'+url+'">[OK] DL '+f[2][1]+'</a><br />';
        }
        else {
            block.innerHTML = '[NG] DL '+f[2][1]+'<br />';
        }
    }
    
    script = document.createElement('script');
    script.charset = 'UTF-8';
    script.src     = url2;
    document.body.appendChild(script);

    /**
     * &fmt=22
     */
    d.getElementById(insDiv).innerHTML += '<div id="DL-YT-video"></div>';
    url3 = u + '?callback=checkURL3';
    d.getElementById('DL-YT-video').innerHTML
        += '<div id="DL-YT-video-formats-'+f[3][0]+'">[checking] '+f[3][1]+'</div>';
    checkURL3 = function() {
        block  = document.getElementById('DL-YT-video-formats-'+f[3][0]);
        var url = getUrl(f[3][0]);
        if ( url != '' ) {
            block.innerHTML = '<a href="'+url+'">[OK] DL '+f[3][1]+'</a><br />';
        }
        else {
            block.innerHTML = '[NG] DL '+f[3][1]+'<br />';
        }
    }
    
    script = document.createElement('script');
    script.charset = 'UTF-8';
    script.src     = url3;
    document.body.appendChild(script);

    /**
     * &fmt=35
     */
    d.getElementById(insDiv).innerHTML += '<div id="DL-YT-video"></div>';
    url4 = u + '?callback=checkURL4';
    d.getElementById('DL-YT-video').innerHTML
        += '<div id="DL-YT-video-formats-'+f[4][0]+'">[checking] '+f[4][1]+'</div>';
    checkURL4 = function() {
        block  = document.getElementById('DL-YT-video-formats-'+f[4][0]);
        var url = getUrl(f[4][0]);
        if ( url != '' ) {
            block.innerHTML = '<a href="'+url+'">[OK] DL '+f[4][1]+'</a><br />';
        }
        else {
            block.innerHTML = '[NG] DL '+f[4][1]+'<br />';
        }
    }
    
    script = document.createElement('script');
    script.charset = 'UTF-8';
    script.src     = url4;
    document.body.appendChild(script);
}