Why does this not output?

[thenextbesthang]

Here is the code:

assume album is known, that it is a big array with the first group (position 0, 5, 10..) being the album number, the second group (position 1, 6, 11...) being the artist, the third group (position 2, 7, 12...) being the genre, the fourth group (position 3, 8, 13...) being the album picture, the 5th group (position 4, 9, 14...) being the song.
There are any number of albums
I want to create an array where in each element, I store an array of songs. No, for using objects is innefficient for this - no objects! Why is this code not alertying anything?

function opt_click()
{

var mydiv = document.getElementById("div1");
var myslt = document.getElementById("mymusic");
var art_sel = new Array();
var song_out = new Array();
var genre_out = new Array();
var image_out = new Array();
var m;


 for(i=0;i<myslt.options.length;i++)
	{
		if(myslt.options[i].selected)
			{
	  		  m = myslt.options[i].value;
			  art_sel.push(m);
			}
	}

for(j=0;j<art_sel.length;j++)
	{
      for(var k=0;i<album.length;i+=album_size)
         {
          var g = album[k];
          var found=false;
             {
	       if(album[k+1] == art_sel[j])
              {
	         found = true;
		    var song_at = new Array();
		    song_at.push(album[k+4]);
	          song_out.push(song_at);
		  }
            }
    	   }
   }

for(i=0;i<song_out.length;i++)
	{
	for(s=0;s<song_at.length;s++)
		{
			window.alert(song_at[s]);
		}
	}
}

[Izzmo]

lol, more homework??

[Izzmo]

[ delete this ]

[StupidScript]

I suggest adding a few more alerts() during the processing and building of the arrays. Also, it looks like the current code should only alert one time, at most, as you are wiping out any values in that array with each matching loop by reinitializing it (var song_at = new Array();song_at.push(album[k+4])). So song_out ends up being an array of song_at arrays with a max 1 entry in each song_at, and song_at ends up containing a single entry. Include alerts to tell you the values of myslt.options[i].value, album[k+1] and art_sel[j] at least.