stackoverflow: jQuery Modal Dialog works fine on the first page after refresh, but not on any other pages after that unless refreshed

http://stackoverflow.com/questions/18646889/jquery-modal-dialog-works-fine-on-the-first-page-after-refresh-but-not-on-any-o

JavaScript

$(function() {
    $('#modalresult').dialog({
        width: 550, 
        height: 300, 
        autoOpen: false, 
        modal: true,
        resizable: false 
    });

    $( ".modalstart" ).click(function() {
        $( "#modalresult" ).dialog( "open" );
    });
});