Weblabor

$.popUp = function( options ){
...
    showPopUp();

    function showPopUp() {
        var popUpWindow =   "<div class='popUpBackground'></div>" +
                            "<div class='popUpBoxContainer'>" +
                            "<div class='popUpBoxTable'>" +
                            "<div class='popUpBoxRow'>" +
                            "<div class='popUpBoxCell'></div>" +
                            "<div class='popUpBoxCell popUpWindow'>" +
                            "<div class='popUpBoxContent'>" +
                            "<div class='popUp-box popUpBorder-Black popUpBox-Shadow-normal popUp-box-radius'>" +
                            "<div class='popUp-box-title normal'>" + options['title']['text'] + "</div>" +
                            $formStart +
                            "<div class='popUp-box-content'>" + options['content'] + "<div class='popUp-box-buttons'>" + button + "</div>" + "</div>" +
                            ( ( $formStart == "" ) ? "" : "</form>" ) +
                            "</div>" +
                            "</div>" +
                            "</div>" +
                            "<div class='popUpBoxCell'></div>" +
                            "</div>" +
                            "</div>" +
                            "</div>";

        $( '#working' ).append( popUpWindow );
        $( '#working' ).css({
            opacity: 0,
            display: 'block'
        }).animate({opacity:1},100);
    }

};

$( document ).ready( function(){
...
    $( '#ajaxSubmit' ).submit( function() {
        var $dest = ( typeof $( this ).attr( 'data-dest' ) === 'undefined' ) ? 'working' : $( this ).attr( 'data-dest' );

        $.ajax({
            url:    $( this ).attr( 'action' ),
            type:   $( this ).attr( 'method' ),
            data:   $( this ).serialize(),
            mimeType:"multipart/form-data", 

            success: function( response ) {
                $( '#' + $dest ).html( response );
            },

            error: function( response ) {
                $( '#errorMsg' ).html( response );
            }
        });

        return false;
    });
...