/* lightbox */

function afficherMasque() {
    var w = $('body').width();
	var mh = $('body').height();
	var ih = $(document).height();
	//var ih = $(window).innerHeight();

	if ( mh < ih ) mh = ih;
	//$('.page select').css({ visibility:'hidden' });
	$('.overlay').css({ width: w + 'px', height: mh +'px' })
	$('.overlay').show();
}

function hideMasque() {
	//$('select').css({ visibility:'visible' });
	$('.overlay').hide();
}



function showLightbox () {
	var $lightbox = $('#wrapper');
	var tPos = ( $(window).height() - $lightbox.height() )/2 + $(window).scrollTop();
	var lPos = ( $(window).width() - $lightbox.width() )/2;
	
	//afficherMasque();

	$lightbox
		.css({ top: tPos + 'px', left: lPos + 'px' });

	return false;
}

function hidePopup () {
	$('#wrapper')
		.css({ top: '0px', left: '-2000px' });

	//hideMasque();
}

$(function() {
   $("#wrapper").ajaxStart(function(){
        showLightbox ();
    })

	$("#wrapper").ajaxStop(function(){
        hidePopup ();
    })
});