// funcion para abrir ventanas
function popUp(url,name,width,height,scrollbars,dependent,resizable){
  leftt = (screen.width / 2) - (width / 2);
  topp = (screen.height / 2) - (height / 2);
  
  ventana=window.open(url,name,'width='+width+',height='+height+',scrollbars='+scrollbars+',left='+leftt+', top='+topp+', dependent='+dependent+'resizable='+resizable);
}

function cambiaemail (info) {
var res = "";
for (var n = 0; n < info.length; n++)
res += String.fromCharCode(info.charCodeAt(n));
if (res.indexOf('@') < 0)
res = res + '@' + 'hotmail.com';
location = "mail" + "to:" + res;
}