// Abrir en ventana

function ventana(pagina) {
	control = window.open(pagina,'ventana','toolbar=no,location=no,directories=no,status=no, menubar=no,scrollbars=no,resizable=no,width=400,height=350');
	control.focus();
}


// Servidor de Banner

  function serv_banner(gru, pag, pos, w, h){
    var NET,IE,URL;
    if (navigator.appName.indexOf("Netscape") != -1) {
      NET=(parseInt(navigator.appVersion) >= 4)&&(parseInt(navigator.appVersion) < 5);
      IE=(parseInt(navigator.appVersion) >= 5)
    }
    if (navigator.appName.indexOf("Microsoft") != -1) {
      IE=(parseInt(navigator.appVersion) >= 4);
    }
    URL=document.referrer;
    if (URL.indexOf("&") > 0) {
      URL = URL.substring(0, URL.indexOf("?"));
    }
    if(IE) {
    var output = "";
    output += "<div align='center' id='banner_"+pos+"'>";
    output+="<IFRAME FRAMEBORDER='0' WIDTH='"+w+"' HEIGHT='"+h+"' ";
    output+="MARGINWIDTH='0' MARGINHEIGHT='0' SCROLLING='NO' ";
    output+="SRC='http://banners.viacomerzios.com/aclick.asp?gru="+gru+"&pag="+pag+"&pos="+pos+"&url="+URL+"'>";
    output+="</IFRAME>";
    output += "</div>";
    }
    if(NET) {
    var output = "";
    output+="<ILAYER align='center' name='banner_"+pos+"' width='"+w+"' height='"+h+"' ";
    output+="SRC='http://banners.viacomerzios.com/aclick.asp?gru="+gru+"&pag="+pag+"&pos="+pos+"&url="+URL+"'>";
    output+="</ILAYER>";
    }
    document.write (output);
  }