$(document).ready(function(){
	$('.skype').css('cursor','pointer');
	$('.skype').click(function(){
		var ancho = 280;
		var alto	= 140;
		var left	= ($(document).width() - ancho) / 2;
		var top 	= ($(document).height() - alto) / 2;
		window.open('skype.php', 'ventanaSkype',"width="+ancho+",height="+alto+",left="+left+",top="+top+",scrollbars=no,toolbar=no,status=no,directories=no,location=no,resizable=no,dependiente=yes" );
	});
});