Remove duplicate jQuery UI dialog objects before display.

gistfile1.js

// Thank you StackOverflow!!! 
// http://stackoverflow.com/questions/7099938/jquery-ui-dialog-behaves-unpredictably
var original = $('#dialogId')[0];
var clone = $(original).clone().attr('id', 'dialogIdClone');
var saveHtml = $(original).html();
$(original).html('');
$(clone).dialog({
    ... // other options
    open: function (){
        // add any dynamic behavior you need to the dialog here
    },
    close: function(){
        $(clone).remove();
        $(original).html(saveHtml);
    }
});