function star(picid,id){

  
  var last_i = 1;
  
  for(i = 0; i <= id; i++){
    document.getElementById('star_'+picid+'_'+i).src = '/gfx/star.png';
    last_i = i;	
  }	
  
  //alert(last_i);
  
  for(i = last_i + 1; i < 5; i++){
    document.getElementById('star_'+picid+'_'+i).src = '/gfx/star_grey.png';
  }
	
}

function last_star(picid){	
  
  var last_vote = document.getElementById('last_star_'+picid).value;
  
  for(i = 0; i < last_vote; i++){
    document.getElementById('star_'+picid+'_'+i).src = '/gfx/star.png';
  }
  
  for(i = last_vote; i < 5; i++){
    document.getElementById('star_'+picid+'_'+i).src = '/gfx/star_grey.png';
  }
}