function abrirventana(url){
  grafico=window.open(url,'Grafica', 'toolbar=0,scrollbars=0,location=0,statusbar=0,menubar=0,resizable=0,width=450,height=420,top=10,left=' + (screen.width-(500)));
}
url = document.location.href; 
titulo=document.title;
document.write("<a href=\"#\"><img src=\"http://www.elsalvador.com/sendmail/img/compartelo.gif\" border=\"0\"OnClick=\"abrirventana('http://www.elsalvador.com/sendmail/sendmailv1.asp?url="+url+"&titulo="+titulo+"')\"</a>");