function mail(name,domain){ 
 window.location = 'mailto:' + name + '@' + domain;
}
function abrirventana(pagina, nombreventana, width, height, windowfeatures) {
	var winl = (screen.width - width) / 2;
	var wint = (screen.height - height) / 2;
	windowfeatures += ', width='+width+',height='+height+',top='+wint+',left='+winl;
	window.open(pagina, nombreventana, windowfeatures);
}