$(document).ready(function(){  
    
    $("#upgrade").css('display','none');
     	
    // Browse menu dropdown menu function
    $(".browse").click(function () {
        if ($("#browse_dropdown").is(":hidden")) 
            $("#browse_dropdown").slideDown("fast"),
            $('.browse a').css('backgroundPosition', '-101px bottom');   
        else $("#browse_dropdown").slideUp("fast"),
            $('.browse a').css('backgroundPosition', '-101px top');
    });                
    
    $("#browse_dropdown").hover( 
		function() { },
    	function() { $("#browse_dropdown").slideUp("fast"); 
		$('.browse a').css('backgroundPosition', '-101px top'); });   
 	  

    // Close upgrade ad at end of video clip
    $("#nothanks").click(function () { $("#upgrade").fadeOut("slow"); }); 
          

    // Tutorial text version show/hide function
    $("#text_expand").click(function () {
        if ($("#text_content").is(":hidden")) {
            $("#text_content").slideDown("medium"),  
            $(this).html("<span class=\"down\">Hide text version</span>"),   
            $(this).css("color", "#999999");
        } else {
            $("#text_content").slideUp("fast"), 
            $(this).html("<span class=\"up\">Show text version</span>"),
            $(this).css("color", "#2684a9");		
        }
    });    
           

    // Play button hover function
    $("#play_button").fadeTo(0, 0.75); 
    $("#player").hover(
        function () { $("#play_button").fadeTo("fast", 1); },
        function () { $("#play_button").fadeTo("fast", 0.75); 
    });  
 
          


});