function DoMyChoice(who, act){
    var oCounter = document.getElementById("ctl00_ContentPlaceHolder1_hid"+who+"Count");
    var result="";
    if(oCounter!=null){
      var count = parseInt(oCounter.value);
      for(var i=1; i<=count; i++){
        var chk=document.getElementById("chk_"+who+"_"+i);
        if(chk!=null){
          if(act==1) chk.checked=true;
          else if(act==2) chk.checked=!chk.checked;
          else if(chk.checked) result=result+chk.value+",";
        }
      }
    }
    return result;
  }
  
  function ChoiceAll(who){
    DoMyChoice(who, 1);
    return false;
  }
  
  function UnchoiceAll(who){
    DoMyChoice(who, 2);
    return false;
  }
  
  function MyMedia(id){
    var w=window.open("MyMedia.aspx?ID="+id, "SMPH_Media");
    w.focus();
  }
  
  function PlayAll(who){
    var result=DoMyChoice(who, 3);
    MyMedia(result);
    return false;
  }
  
  function doRemoveList(id){
    //var tr=document.getElementById('trList_'+id);
    //if(tr!=null){
    //  tr.visible=false;
    //}
    //sendSNplayerEvent('snplayer','reload','MyMediaList.aspx?ID='+id);
  }
  
  function doCallID(id){
    var oid=document.getElementById('ctl00_ContentPlaceHolder1_hidClassID');
    if(oid!=null){
      oid.value=id;
      document.forms[0].action="MyMedia.aspx";
      document.forms[0].submit();
    }
  }