$(document).ready(function(){
						 
	$('.skype_button').css('cursor','pointer');
	$('.skype_button').click(function(){
		var ancho = 300;
		var alto	= 140;
		var left	= parseInt((document.documentElement.clientWidth - ancho) / 2)+86;
		var top 	= parseInt((document.documentElement.clientHeight) / 2);
		
		window.open('skype.html', 'ventanaSkype',"width="+ancho+"px,height="+alto+"px,left="+left+"px,top="+top+"px,scrollbars=no,toolbar=no,status=no,directories=no,location=no,resizable=no,dependiente=yes" );
	});
});