function ranking_get(cn,ct,sn,en){
  url = 'http://ranking.cansystem.info/output/j/ranking/ranking_custom.php';
  if(sn == ''){	sn = '0';	}
  if(en == ''){	en = 10;	}
  if(ct == ''){	ct = 1;	}
  if(cn == ''){ cn = 'ranking1';	}
  pars = 'cn=' + cn + '&ct=' + ct + '&sn=' + sn + '&en=' + en;
  var oj = new Ajax.Request(
    url,{
      method: 'get',
      parameters: pars,
      onComplete : ranking_onloaded
    }
  );
}



function ranking_onloaded(resoj){
  eval("var rres = " + resoj.responseText);
  result = rres.result;
  cn = rres.cn;
  if(result != 'error'){
    period = rres[cn].period;
    //nextpage = rres[cn].page + 1;
    //prevpage = rres[cn].page - 1;
    list = rres[cn].data;
    tag = '<p id="ranking_period"><span class="accent">' + rres[cn].date + '</span>(' + period + ')</p>' +
    	'<table>' +
	'<tr><td rowspan="2">' +
	'<table id="ranking_table">' +
    	'<tr><th class="rank">順位</th><th class="song">SONG</th><th class="artist">ARTIST</th></tr>';

    for(i = 0; i < list.length; i++){
      this_data = list[i];
      if(this_data.last1rank == "0" && this_data.last2rank == "0" && this_data.last3rank == "0" && this_data.last4rank == "0"){
      	arrow = '<img src="/common/t/basic/image/icon/ranking_new.gif" width="19" height="19" alt="ranking_new" />&nbsp;';
      }else if( ( this_data.last1rank == "0" || this_data.last1rank == "" ) && this_data.last2rank != ""){
        if(this_data.rank == this_data.last2rank){
	  arrow = '<img src="/common/t/basic/image/icon/ranking_stay.gif" width="19" height="19" alt="ranking_stay" />&nbsp;';
	}else if(this_data.rank > this_data.last2rank){
	  arrow = '<img src="/common/t/basic/image/icon/ranking_down.gif" width="19" height="19" alt="ranking_down" />&nbsp;';
	}else if(this_data.rank < this_data.last2rank){
	  arrow = '<img src="/common/t/basic/image/icon/ranking_up.gif" width="19" height="19" alt="ranking_up" />&nbsp;';
	}
      }else{
        if(this_data.rank == this_data.last1rank){
	  arrow = '<img src="/common/t/basic/image/icon/ranking_stay.gif" width="19" height="19" alt="ranking_stay" />&nbsp;';
	}else if(this_data.rank > this_data.last1rank){
	  arrow = '<img src="/common/t/basic/image/icon/ranking_down.gif" width="19" height="19" alt="ranking_down" />&nbsp;';
	}else if(this_data.rank < this_data.last1rank){
	  arrow = '<img src="/common/t/basic/image/icon/ranking_up.gif" width="19" height="19" alt="ranking_up" />&nbsp;';
	}
      }
      if(cn == 'ranking2'){
      	type = 2;
      }else{
        type = 1;
      }
      while(this_data.song.indexOf("　", 0) >= 0) {
        this_data.song = this_data.song.replace("　","");
      }
      while(this_data.artist.indexOf("　", 0) >= 0) {
        this_data.artist = this_data.artist.replace("　","");
      }


      usn = encodeURI(this_data.song);
      uan = encodeURI(this_data.artist);
      sn = this_data.song;
      an = this_data.artist;
      s_detail = '/song/?sn=' + sn + '&amp;an=' + an + '&amp;tp=' + type;
      a_detail = '/artist/?an=' + an + '&amp;tp=' + type;
      if(cn == 'ranking1' || cn == 'ranking2'){
        tag += '<tr><td class="t_center"><img src="/common/t/basic/image/icon/ranking_' + this_data.rank + '.gif" width="19" height="19" alt="15" />&nbsp;' + arrow + '</td>' +
      	'<td><a href="' + s_detail + '">' + this_data.song + '</a></td>' +
	'<td><a href="' + a_detail + '">' + this_data.artist + '</a></td></tr>';
      }else{
        tag += '<tr><td class="t_center"><img src="/common/t/basic/image/icon/ranking_' + this_data.rank + '.gif" width="19" height="19" alt="15" /></td>' +
      	'<td>' + this_data.song + '</td>' +
	'<td>' + this_data.artist + '</td></tr>';
      }
    }



    if(rres[cn].start != 0 && rres[cn].start != ""){
      var sn_m = rres[cn].start - 0 - 1;
      var up_button = '<a href="javascript:;" onclick="ranking_get(\'' + rres.cn + '\',\'' + rres[cn].page + '\',\'' + sn_m + '\',\'' + rres[cn].end + '\');"><img src="/common/t/basic/image/button/scroll_arrow_up.gif" width="19" height="20" alt="UP" /></a>';
    }else{
      var up_button = '';
    }
    if(rres[cn].n1link > 0){
      var sn_p = rres[cn].start - 0 + 1;
      var down_button = '<a href="javascript:;" onclick="ranking_get(\'' + rres.cn + '\',\'' + rres[cn].page + '\',\'' + sn_p + '\',\'' + rres[cn].end + '\');"><img src="/common/t/basic/image/button/scroll_arrow_down.gif" width="19" height="20" alt="DOWN" /></a>';
    }else{
      var down_button = '';
    }
    var baseurl = 'http://ranking.cansystem.info/';
    if(rres.cn == "ranking1"){
      var k = "rj";
    }else if(rres.cn == "ranking2"){
      var k = "rw";
    }else if(rres.cn == "ranking3"){
      var k = "ij";
    }else if(rres.cn == "ranking5"){
      var k = "ie";
    }
    if(rres[cn].p1link > 0){
      var p1url = baseurl + "?k=" + k + "&amp;s=" + rres[cn].p1sn + "&amp;e=" + rres[cn].p1en;
      var p1link = '<a href="' + p1url + '" title="' + rres[cn].p1name + '">&lt;&lt;&nbsp;' + rres[cn].p1name + '</a>';
    }else{	var p1link = "";	}
//    if($rdata['P2LINK'] > 0){
//      var p2url = baseurl + "?k=" + k + "&amp;c=" + rres[cn].p2ct + "&amp;e=" + rres[cn].p2en;
//      var p2link = '<a href="' + p2url + '" title="' + rres[cn].p2name + '">&lt;&lt;&nbsp;' + rres[cn].p12name + '</a>';
//    }
    if(rres[cn].n1link > 0){
      var n1url = baseurl + "?k=" + k + "&amp;s=" + rres[cn].n1sn + "&amp;e=" + rres[cn].n1en;
      var n1link = '<a href="' + n1url + '" title="' + rres[cn].n1name + '">' + rres[cn].n1name + '&nbsp;&gt;&gt;</a>';
    }else{	var n1link = "";	}
//    if($rdata['N2LINK'] > 0){
//      var n2url = baseurl + "?k=" + k + "&amp;c=" + rres[cn].n2ct + "&amp;e=" + rres[cn].n2en;
//      var n2link = '<a href="' + n2url + '" title="' + rres[cn].n2name + '">' + rres[cn].n2name + '&nbsp;&gt;&gt;</a>';
//    }


    tag += '</table>';
    tag += '</td>';
    tag += '<td class="va_t">' + up_button;
    tag += '</td></tr>';
    tag += '<tr><td class="va_b">' + down_button;
    tag += '</td>';
    tag += '</tr>';
    tag += '</table>';
    tag += '<div id="rank_link">';
    tag += '<ul>';
    tag += '<li class="fl">&nbsp;' + p1link + '</li>';
    tag += '<li class="fr t_right">' + n1link + '&nbsp;</li>';
    tag += '</ul><p class="cl"></p>';
    tag += '</div>';
    $('ranking_result').innerHTML = tag;
    //alert(tag);
  }

}

function graf_swf_run_debug(sn,an,mr,k){
 var sfile;
 switch (k){	
  case "1":
   sfile = "/common/swf/Song_Chart_150_debug.swf";
   break;
  case "2":
   sfile = "/common/swf/Song_Chart_50_debug.swf";
   break;
  default:
   sfile = "/common/swf/Song_Chart_150_debug.swf";
 }

	document.write('<object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,29,0" width="460" height="200">\n');
	document.write('<param name="movie" value="' + sfile + '?sn=' + sn +'&an=' + an + '&mr=' + mr + '&k=' + k + '" />\n');
	document.write('<param name="quality" value="high" />\n');
	document.write('<embed src="' + sfile + '?sn=' + sn +'&an=' + an + '&mr=' + mr + '&k=' + k + '" quality="high" pluginspage="http://www.macromedia.com/go/getflashplayer" type="application/x-shockwave-flash" width="460" height="200"></embed>\n');
	document.write('</object>\n');

}



function graf_swf_run(sn,an,mr,k) {
/*-------------------------------------
 SONG名とARTIST名からチャートグラフを
 SWFで出力します。
 SONG詳細ページとARTIST詳細ページから
 呼び出します。
--------------------------------------*/

 var sfile;
 switch (k){	
  case "1":
   sfile = "/common/swf/Song_Chart_150.swf";
   break;
  case "2":
   sfile = "/common/swf/Song_Chart_50.swf";
   break;
  default:
   sfile = "/common/swf/Song_Chart_150.swf";
 }

	document.write('<object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,29,0" width="460" height="200">\n');
	document.write('<param name="movie" value="' + sfile + '?sn=' + sn +'&an=' + an + '&mr=' + mr + '&k=' + k + '" />\n');
	document.write('<param name="quality" value="high" />\n');
	document.write('<embed src="' + sfile + '?sn=' + sn +'&an=' + an + '&mr=' + mr + '&k=' + k + '" quality="high" pluginspage="http://www.macromedia.com/go/getflashplayer" type="application/x-shockwave-flash" width="460" height="200"></embed>\n');
	document.write('</object>\n');
}


function encodeURL(str) {
  var character = '';
  var unicode   = '';
  var string    = '';
  var i         = 0;

  for (i = 0; i < str.length; i++) {
    character = str.charAt(i);
    unicode   = str.charCodeAt(i);

    if (character == ' ') {
      string += '+';
    } else {
      if (unicode == 0x2a || unicode == 0x2d || unicode == 0x2e || unicode == 0x5f || ((unicode >= 0x30) && (unicode <= 0x39)) || ((unicode >= 0x41) && (unicode <= 0x5a)) || ((unicode >= 0x61) && (unicode <= 0x7a))) {
        string = string + character;
      } else {
        if ((unicode >= 0x0) && (unicode <= 0x7f)) {
          character   = '0' + unicode.toString(16);
          string += '%' + character.substr(character.length - 2);
        } else if (unicode > 0x1fffff) {
          string += '%' + (oxf0 + ((unicode & 0x1c0000) >> 18)).toString(16);
          string += '%' + (0x80 + ((unicode & 0x3f000) >> 12)).toString(16);
          string += '%' + (0x80 + ((unicode & 0xfc0) >> 6)).toString(16);
          string += '%' + (0x80 + (unicode & 0x3f)).toString(16);
        } else if (unicode > 0x7ff) {
          string += '%' + (0xe0 + ((unicode & 0xf000) >> 12)).toString(16);
          string += '%' + (0x80 + ((unicode & 0xfc0) >> 6)).toString(16);
          string += '%' + (0x80 + (unicode & 0x3f)).toString(16);
        } else {
          string += '%' + (0xc0 + ((unicode & 0x7c0) >> 6)).toString(16);
          string += '%' + (0x80 + (unicode & 0x3f)).toString(16);
        }
      }
    }
  }
  return string;
}