$(document).ready(function(){
        var slider = $('.hold-videos').bxSlider({
            controls: false
        });
            
        $('.nav-videos .setaEsq').click(function() {
            slider.goToPreviousSlide();
            return false;
        });
        
        $('.nav-videos .setaDir').click(function() {
            slider.goToNextSlide();
            return false;
        });    
        
        var slider2 = $('.hold-imgs-slider').bxSlider({
            controls: false
        });
            
        $('.nav-imgs .setaEsq').click(function() {
            slider2.goToPreviousSlide();
            return false;
        });
        
        $('.nav-imgs .setaDir').click(function() {
            slider2.goToNextSlide();
            return false;
        }); 

		var slider3 = $('.hold-discos-slider').bxSlider({
            controls: false
        });
            
        $('.nav-discos .setaEsq').click(function() {
            slider3.goToPreviousSlide();
            return false;
        });
        
        $('.nav-discos .setaDir').click(function() {
            slider3.goToNextSlide();
            return false;
        });
		
		//Put in the DIV id you want to display
		launchWindow('#download');
		
		//if close button is clicked
		$('.window #close').click(function () {
			$('#mask').hide();
			$('.window').hide();
		});		
		
		//if mask is clicked
		$('#mask').click(function () {
			$(this).hide();
			$('.window').hide();
		});
	
});

function launchWindow(id) {
	
		//Get the screen height and width
		var maskHeight = $(document).height();
		var maskWidth = $(window).width();
	
		//Set heigth and width to mask to fill up the whole screen
		$('#mask').css({'width':maskWidth,'height':maskHeight});
		
		//transition effect		
		$('#mask').fadeIn(1000);	
		$('#mask').fadeTo("slow",0.8);	
	
		//Get the window height and width
		var winH = $(window).height();
		var winW = $(window).width();
              
		//Set the popup window to center
		$(id).css('top',  winH/2-$(id).height()/2);
		$(id).css('left', winW/2-$(id).width()/3);
	
		//transition effect
		$(id).fadeIn(2000); 
	
 
}