/*-----------------*/
/*      links      */
/*-----------------*/
function styleLinks() {
    // external links
    jQuery('a[@href^="http://"]').addClass('external');
    // image links
    jQuery('a[@href$=".jpg"]').addClass('image');
    jQuery('a[@href$=".png"]').addClass('image');
    jQuery('a[@href$=".gif"]').addClass('image');
    // dpci,emt öomls
    jQuery('a[@href$=".txt"]').addClass('document');
    jQuery('a[@href$=".htm"]').addClass('document');
    jQuery('a[@href$=".html"]').addClass('document');
    jQuery('a[@href$=".doc"]').addClass('document');
    jQuery('a[@href$=".docx"]').addClass('document');
    jQuery('a[@href$=".pdf"]').addClass('document');
}

/*-----------------*/
/*      login      */
/*-----------------*/
function initLogin(partialUrl, standardUrl)
{
    if (document.location.href.indexOf(standardUrl) < 0) {
        jQuery('a[@href*="' + standardUrl + '"]').click(function(e) {
            e.preventDefault();
            var lc = jQuery('#ajaxlogin');
            if (lc.css('display') == 'none') {
                jQuery.ajax({
                    type: 'GET',
                    url: partialUrl,
                    success: function(data) {
                        lc.html(data).slideToggle();
                    },
                    error: function(XMLHttpRequest, textStatus, errorThrown) {
                        alert(errorThrown + "\n\n" + textStatus);
                        document.location.href = standardUrl;
                    }
                });
            }
            else {
                lc.slideToggle();
            }
        });
    }
}

$.fn.centerInClient = function(options) {
    /// <summary>Centers the selected items in the browser window. Takes into account scroll position.
    /// Ideally the selected set should only match a single element.
    /// </summary>    
    /// <param name="fn" type="Function">Optional function called when centering is complete. Passed DOM element as parameter</param>    
    /// <param name="forceAbsolute" type="Boolean">if true forces the element to be removed from the document flow 
    ///  and attached to the body element to ensure proper absolute positioning. 
    /// Be aware that this may cause ID hierachy for CSS styles to be affected.
    /// </param>
    /// <returns type="jQuery" />
    var opt = { forceAbsolute: false,
        container: window,    // selector of element to center in
        completeHandler: null
    };
    $.extend(opt, options);

    return this.each(function(i) {
        var el = $(this);
        var jWin = $(opt.container);
        var isWin = opt.container == window;

        // force to the top of document to ENSURE that 
        // document absolute positioning is available
        if (opt.forceAbsolute) {
            if (isWin)
                el.remove().appendTo("body");
            else
                el.remove().appendTo(jWin.get(0));
        }

        // have to make absolute
        el.css("position", "absolute");

        // height is off a bit so fudge it
        var heightFudge = isWin ? 2.0 : 1.8;

        var x = (isWin ? jWin.width() : jWin.outerWidth()) / 2 - el.outerWidth() / 2;
        var y = (isWin ? jWin.height() : jWin.outerHeight()) / heightFudge - el.outerHeight() / 2;

        el.css("left", x + jWin.scrollLeft());
        el.css("top", y + jWin.scrollTop());

        // if specified make callback and pass element
        if (opt.completeHandler)
            opt.completeHandler(this);
    });
}