function show_loader(l){
	$('#overlay').css({
		width: $(window).width(),
		height: $(document).height()
	}).fadeIn();
	e = document.getElementById('overlay');
	e.style.visibility = l;
}


function show_loaderWhite(l){
	$('#overlayWhite').css({
		width: $(window).width(),
		height: $(document).height()
	}).fadeIn();
	e = document.getElementById('overlayWhite');
	e.style.visibility = l;
}