[jQuery] JQ mouseover keeps firing AJAX GET -- how to make it fire once?

[TrixJo]

I put my mouse over the element and my JQ .mouseover keeps firing
loading my AJAX script over and over again like a crack addict on
LSD.  How do you make it fire once?

                        $("#swapImage").mouseover(function(){
                                // get input string from the input field
                                var inputString = $('#swapImageValue').val();
                                //alert( $('#swapImageValue').val() );
                                // post data to our php processing page
                                $.ajax({
                                   type: "GET",
                                   url: "ajax_loadankleligaments.php",
                                   data: "mysearchString="+inputString,
                                   success: function(data){
                                        if(data.length >0) {
                                                $('#swapImage').html(data);
                                        }
                                   }
                                 });
                        });


any help?