// Dynamically load JQuery
var _jQueryScriptOutputted =  false;
var _yotwitsPartnerToken = 'hj0bl7';
var _initJQuery = function() {

    //if the jQuery object isn't available
    if (typeof(jQuery) == 'undefined') {
        if (!_jQueryScriptOutputted) {
            //only output the script once..
            _jQueryScriptOutputted = true;

            //output the script
            document.write("<script type='text/javascript' src='http://www.yotwits.com/js/jquery-1.3.2.min.js'></script>");
            document.write("<script type='text/javascript' src='http://www.yotwits.com/js/jquery.dimensions.min.js'></script>");
        }
        setTimeout("_initJQuery()", 50);

    } else {

        $(function() {
            
            BUTTON_WIDTH = 88;
            BUTTON_HEIGHT = 101;
            POPUP_HEIGHT = 306;
            POPUP_WIDTH = 333;

            // add button to current position
            // add retweetingUsers element over the button
            $('#autotweet-our-feed-button').append("<div id='auto-tweet-our-feed'>1</div>");

            // online registration iframe
            var iframeHtml = "<div id='yotwits-register-pop-up'><iframe name='yotwits-online-register-iframe' id='yotwits-online-register-iframe' frameborder='0' allowtransparency='true' src='http://www.yotwits.com/online-registration-popup.php?token=" + _yotwitsPartnerToken + "'></iframe></div>";

            // add to placeholder div
            $('body').append(iframeHtml);

            // dynamically set css

            $('#auto-tweet-our-feed').css('background', 'url(http://www.yotwits.com/images/auto-tweet-our-feed.png)');
            $('#auto-tweet-our-feed').css('width', '88px');
            $('#auto-tweet-our-feed').css('height', '99px');
            $('#auto-tweet-our-feed').css('font-family', '"Trebuchet MS"');
            $('#auto-tweet-our-feed').css('font-weight', 'bold');
            $('#auto-tweet-our-feed').css('font-size', '24px');
            $('#auto-tweet-our-feed').css('padding-top', '2px');
            $('#auto-tweet-our-feed').css('text-align', 'center');
            $('#auto-tweet-our-feed').css('cursor', 'pointer');

            offset = $('#auto-tweet-our-feed').offset();
            
            // returns "top" and "left"

            var popUpX = offset.left + BUTTON_WIDTH + 5;
            var popUpY = offset.top + (BUTTON_HEIGHT - POPUP_HEIGHT)/2;

            // Correct if vertically invisible
            if(popUpY < 0)
                popUpY = 0;

            if(popUpX + POPUP_WIDTH > $('body').width())
               popUpX = offset.left - POPUP_WIDTH - 5;

            $('#yotwits-register-pop-up').css('display', 'none');
            $('#yotwits-register-pop-up').css('position', 'absolute');
            $('#yotwits-register-pop-up').width(333);
            $('#yotwits-register-pop-up').height(320);
            $('#yotwits-register-pop-up').css('left', popUpX + 'px');
            $('#yotwits-register-pop-up').css('top', popUpY + 'px');
            $('#yotwits-register-pop-up').css('z-index', '100');

            $('#yotwits-online-register-iframe').css('width', '100%');
            $('#yotwits-online-register-iframe').css('height', '100%');
            $('#yotwits-online-register-iframe').css('overflow', 'auto');
            $('#yotwits-online-register-iframe').css('border', 'none');

            // set behaviour
            $('#auto-tweet-our-feed').toggle(function() {
                $('#yotwits-register-pop-up').css('display', 'block');
            }, function() {
                $('#yotwits-register-pop-up').css('display', 'none');
            });

            //_addCloseBehaviour();
           
        });
   }
}
_initJQuery();


function _increaseTweetingUsers() {
    $('#auto-tweet-our-feed').html(Number($('#auto-tweet-our-feed').html()) + 1);
}

function _addCloseBehaviour(docElem) {

    document.domain = 'www.yotwits.com';
    if(docElem == null) {
        var frameDocument = window.frames['yotwits-online-register-iframe'].document;

        if($('#close-this', frameDocument).length == 0) {
            setTimeout("_addCloseBehaviour()", 50);
            console.log("waiting...");
        } else
            _addCloseBehaviour(frameDocument);
        
    } else {
        console.log("close this is available: " );
        $('#close-this', docElem).click(function() {
            $('#yotwits-register-pop-up').css('display', 'none');
        });
    }
}