<div id="key">
</div>
<div id="logger">
</div>
<script>
var to = "Some content";
var lastid = "test";
$("#key").append("<div class='cont'>"+to+"<span ded='"+ lastid +"' class='contspan'>X</span></div> ");
$('.cont').delegate('span', 'click', function() {
//var text1 = $(this).attr("ded");
$("#logger").html("click")
});
</script>