delicious - ubiquity command

CmdUtils.CreateCommand(
{
	name : "delicious",
	author: { name : "Tonetheman", homepage: "http://tryexceptfinally.blogspot.com"},
	license: "MPL",
	execute : function() {
		var doc =  Application.activeWindow.activeTab.document;   
		var updateUrl = "https://api.del.icio.us/v1/posts/add";
		var updateParams = {
			url: doc.documentURI,
			description: doc.title
		};
   
		jQuery.ajax({
			type: "POST",
			url: updateUrl,
			data: updateParams,
			dataType: "xml",
			error: function() {
				displayMessage("del.icio.us - link updated - ");
			},
			
			success: function(data, textStatus) {
				if (data.firstChild.attributes.code.value == "done") {
					displayMessage("del.icio.us - linked posted");
				} else {
					displayMessage("del.icio.us - problem with post");
				}
			}
		});
    }
});