$(document).ready(
  function() {
		$('#thumbs-up').click(
			function() {
				$.post(
					"/ajax/playlist/up",
					{
						title: $("#playlist-now").text()
		      }, 
					function(result) {
						if(result=='You have already voted for this item!') {
							$('#thumbs-up').disabled = true;
							$('#thumbs-down').disabled = true;
						}
		        alert(result);  
		      }
				); 
			}
		); 
		
		$('#thumbs-down').click(
			function() { 
				$.post(
					"/ajax/playlist/down",
					{
						title: $("#playlist-now").text()
		      }, 
					function(result) {  
						if(result=='You have already voted for this item!') {
							$('#thumbs-up').disabled = true;
							$('#thumbs-down').disabled = true;
						}
		        alert(result);  
		      }
				); 
			}
		);
	}
);