/*
* jQuery Backstretch
* Version 1.1.2
* http://srobbin.com/jquery-plugins/jquery-backstretch/
*
* Add a dynamically-resized background image to the page
*
* Copyright (c) 2010 Scott Robbin (srobbin.com)
* Dual licensed under the MIT and GPL licenses.
*/
(function(a){a.backstretch=function(k,i,l){function m(c){try{f={left:0,top:0};d=e.width();b=d/j;if(b>=e.height()){g=(b-e.height())/2;h.centeredY&&a.extend(f,{top:"-"+g+"px"})}else{b=e.height();d=b*j;g=(d-e.width())/2;h.centeredX&&a.extend(f,{left:"-"+g+"px"})}a("#backstretch img").width(d).height(b).css(f)}catch(n){}typeof c=="function"&&c()}var h={centeredX:true,centeredY:true,speed:0},e="onorientationchange"in window?a(document):a(window),j,d,b,g,f;i&&typeof i=="object"&&a.extend(h,i);a(document).ready(function(){if(k){var c= a("<div />").attr("id","backstretch").css({left:0,top:0,position:"fixed",overflow:"hidden",zIndex:-9999}),n=a("<img />").css({position:"relative",display:"none"}).bind("load",function(o){var p=a(this);j=a(o.target).width()/a(o.target).height();m(function(){p.fadeIn(h.speed,function(){typeof l=="function"&&l()})})}).appendTo(c);a("body").prepend(c);n.attr("src",k);a(window).resize(m)}});return this}})(jQuery);


$.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);
    });
}