var g_EXTRA_MENU_SPACING = 20;

function makeJumpMenus()
{
    $(".jumpMenu ul.subnav").parent().append("<span></span>"); //Only shows drop down trigger when js is enabled - Adds empty span tag after ul.subnav


    $(".jumpMenu ul.topnav li span, .jumpMenu ul.topnav li a").click(function (event)
    { //When trigger is clicked...

        //Following events are applied to the subnav itself (moving subnav up and down)
        $(this).parent().find("ul.subnav").slideDown('fast').show(); //Drop down the subnav on click

        //do a special hack for the video bitrate menu.
        var jBitrates = $(this).parents('#bitrates');
        if (jBitrates.length > 0)
        {
            var jVideo = $('#video');
            var bitrateMenuHeight = getBitrateMenuHeight(jBitrates);
            if ((jVideo.length > 0) && ((jVideo.position().top - jBitrates.position().top) < bitrateMenuHeight))
            {
                //slide video frame down since menu will not show on top player in ie.
                $('#video').animate({
                    top: '+=' + (bitrateMenuHeight + g_EXTRA_MENU_SPACING)
                }, 'fast');
            }
        }

        //stop click event from hitting body level since the body will hide the menu.
        event.stopPropagation();

        $(this).parent().hover(function ()
        {
        }, function ()
        {
            //$(this).parent().find("ul.subnav").slideUp('slow'); //When the mouse hovers out of the subnav, move it back up
        });

        //Following events are applied to the trigger (Hover events for the trigger)
    }).hover(function ()
    {
        //$(this).addClass("subhover"); //On hover over, add class "subhover"
    }, function ()
    {	//On Hover Out
        //$(this).removeClass("subhover"); //On hover out, remove class "subhover"
    });


    //hide when body clicked.
    $(document).click(function ()
    {
        hideJumpMenu();
    });

    //hide when submenu clicked.
    $(".jumpMenu ul.subnav a").click(function ()
    {
        hideJumpMenu();
    });

    function hideJumpMenu()
    {
        var jElem = $(".jumpMenu ul.subnav");
        jElem.slideUp('slow');

        //do a special hack for the video bitrate menu.
        var jBitrates = $('#bitrates');
        if (jBitrates.length > 0)
        {
            var jVideo = $('#video');
            var bitrateMenuHeight = getBitrateMenuHeight(jBitrates);
            if ((jVideo.length > 0) && ((jVideo.position().top - jBitrates.position().top) > bitrateMenuHeight))
            {
                //slide video frame down since menu will not show on top player in ie.
                $('#video').animate({
                    top: '-=' + (bitrateMenuHeight + g_EXTRA_MENU_SPACING)
                }, 'slow');
            }
        }

    }

    function getBitrateMenuHeight(jBitrates)
    {
        return (jBitrates.find('.subnav li').length * 16);
    }
}

function addDropShadows()
{
    if (!isIE6())
    {
        //wrap elements with shadow class in a div that will be used to contain a drop shadow.
        $(".applyShadow").each(function ()
        {
            var jElem = $(this);
            jElem.parent().append("<div id='" + this.id + "_shadow' class='shadow " + jElem.attr('class').replace('applyShadow', '') + "'></div>");
        });
    }
}

function makeButtons() 
{
    //hover states on the static widgets
    $('.ui-button').hover(
		function () { $(this).addClass('ui-state-hover'); },
		function () { $(this).removeClass('ui-state-hover'); }
	);
}

$(function(){
    //make implex logo clickable.
    $('body.playerBody #extra1').click(function() {
        window.open('http://qwikcast.tv');
        return false;
    });
	
	//png fix
	$(document).pngFix(); 
});


/**
 * --------------------------------------------------------------------
 * jQuery-Plugin "pngFix"
 * Version: 1.2, 09.03.2009
 * by Andreas Eberhard, andreas.eberhard@gmail.com
 *                      http://jquery.andreaseberhard.de/
 *
 * Copyright (c) 2007 Andreas Eberhard
 * Licensed under GPL (http://www.opensource.org/licenses/gpl-license.php)
 *
 * Changelog:
 *    09.03.2009 Version 1.2
 *    - Update for jQuery 1.3.x, removed @ from selectors
 *    11.09.2007 Version 1.1
 *    - removed noConflict
 *    - added png-support for input type=image
 *    - 01.08.2007 CSS background-image support extension added by Scott Jehl, scott@filamentgroup.com, http://www.filamentgroup.com
 *    31.05.2007 initial Version 1.0
 * --------------------------------------------------------------------
 * @example $(function(){$(document).pngFix();});
 * @desc Fixes all PNG's in the document on document.ready
 *
 * jQuery(function(){jQuery(document).pngFix();});
 * @desc Fixes all PNG's in the document on document.ready when using noConflict
 *
 * @example $(function(){$('div.examples').pngFix();});
 * @desc Fixes all PNG's within div with class examples
 *
 * @example $(function(){$('div.examples').pngFix( { blankgif:'ext.gif' } );});
 * @desc Fixes all PNG's within div with class examples, provides blank gif for input with png
 * --------------------------------------------------------------------
 */

(function($) {

jQuery.fn.pngFix = function(settings) {

	// Settings
	settings = jQuery.extend({
		blankgif: 'blank.gif'
	}, settings);

	var ie55 = (navigator.appName == "Microsoft Internet Explorer" && parseInt(navigator.appVersion) == 4 && navigator.appVersion.indexOf("MSIE 5.5") != -1);
	var ie6 = (navigator.appName == "Microsoft Internet Explorer" && parseInt(navigator.appVersion) == 4 && navigator.appVersion.indexOf("MSIE 6.0") != -1);

	if (jQuery.browser.msie && (ie55 || ie6)) {

		//fix images with png-source
		jQuery(this).find("img[src$=.png]").each(function() {

			jQuery(this).attr('width',jQuery(this).width());
			jQuery(this).attr('height',jQuery(this).height());

			var prevStyle = '';
			var strNewHTML = '';
			var imgId = (jQuery(this).attr('id')) ? 'id="' + jQuery(this).attr('id') + '" ' : '';
			var imgClass = (jQuery(this).attr('class')) ? 'class="' + jQuery(this).attr('class') + '" ' : '';
			var imgTitle = (jQuery(this).attr('title')) ? 'title="' + jQuery(this).attr('title') + '" ' : '';
			var imgAlt = (jQuery(this).attr('alt')) ? 'alt="' + jQuery(this).attr('alt') + '" ' : '';
			var imgAlign = (jQuery(this).attr('align')) ? 'float:' + jQuery(this).attr('align') + ';' : '';
			var imgHand = (jQuery(this).parent().attr('href')) ? 'cursor:hand;' : '';
			if (this.style.border) {
				prevStyle += 'border:'+this.style.border+';';
				this.style.border = '';
			}
			if (this.style.padding) {
				prevStyle += 'padding:'+this.style.padding+';';
				this.style.padding = '';
			}
			if (this.style.margin) {
				prevStyle += 'margin:'+this.style.margin+';';
				this.style.margin = '';
			}
			var imgStyle = (this.style.cssText);

			strNewHTML += '<span '+imgId+imgClass+imgTitle+imgAlt;
			strNewHTML += 'style="position:relative;white-space:pre-line;display:inline-block;background:transparent;'+imgAlign+imgHand;
			strNewHTML += 'width:' + jQuery(this).width() + 'px;' + 'height:' + jQuery(this).height() + 'px;';
			strNewHTML += 'filter:progid:DXImageTransform.Microsoft.AlphaImageLoader' + '(src=\'' + jQuery(this).attr('src') + '\', sizingMethod=\'scale\');';
			strNewHTML += imgStyle+'"></span>';
			if (prevStyle != ''){
				strNewHTML = '<span style="position:relative;display:inline-block;'+prevStyle+imgHand+'width:' + jQuery(this).width() + 'px;' + 'height:' + jQuery(this).height() + 'px;'+'">' + strNewHTML + '</span>';
			}

			jQuery(this).hide();
			jQuery(this).after(strNewHTML);

		});

		// fix css background pngs
		jQuery(this).find("*").each(function(){
			var bgIMG = jQuery(this).css('background-image');
			if(bgIMG.indexOf(".png")!=-1){
				var iebg = bgIMG.split('url("')[1].split('")')[0];
				jQuery(this).css('background-image', 'none');
				jQuery(this).get(0).runtimeStyle.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='" + iebg + "',sizingMethod='scale')";
			}
		});
		
		//fix input with png-source
		jQuery(this).find("input[src$=.png]").each(function() {
			var bgIMG = jQuery(this).attr('src');
			jQuery(this).get(0).runtimeStyle.filter = 'progid:DXImageTransform.Microsoft.AlphaImageLoader' + '(src=\'' + bgIMG + '\', sizingMethod=\'scale\');';
   		jQuery(this).attr('src', settings.blankgif)
		});
	
	}
	
	return jQuery;

};

})(jQuery);