jquery using confirm box

$('.drop-cross-img').live("click", function(){
var cross_img = $(this);
var item_id = cross_img.attr('alt');
var item_tbl = cross_img.attr('rel');
//alert(item_tbl);
var confirmation = confirm('Are you sure, you want to delete it?');
if(confirmation){
jQuery.ajax({
type:'POST',
url: "common/function_outfits.php",
data: "ajax=true&activity=delete_item&itemID="+item_id+"&action="+item_tbl,
success: function(data){
if(data=='Item Deleted.'){
cross_img.parent().remove();
}
}
});
}
});