// CODIGO DE DETECCION DE LA RESOLUCION PARA DETERMINAR EL TAMAŅO DEL POPUP

agent = navigator.userAgent;
if (parseInt(agent.substring(8,9)) > 3) {
if (screen.width >= 800) {
winwidth = 760;
winheight = 550;
} else {
winwidth = 620;
winheight = 420;
}
}
if (parseInt(agent.substring(8,9)) <= 3) {
winwidth = 620;
winheight = 420;
}

// CODIGO DEL POPUP NORMAL CENTRADO

function popup(url,name,width,height,resize,scroll) {
var dialogWin = new Object();
dialogWin.width = width;
dialogWin.height = height;
now = new Date();
var millis=now.getTime();
var mstr=""+millis;
if (navigator.appName == "Netscape") {
dialogWin.left = window.screenX + ((window.outerWidth - dialogWin.width) / 2);
dialogWin.top = window.screenY + ((window.outerHeight - dialogWin.height) / 2);
var attr = 'screenX=' + dialogWin.left + ',screenY=' + dialogWin.top + ',resizable=' + resize + ',width=' + dialogWin.width + ',height=' + dialogWin.height + ',scrollbars=' + scroll + ',menubar=no,location=no,toolbar=no,status=no,directories=no';
} else if (document.all) {
dialogWin.left = (screen.width - dialogWin.width) / 2;
dialogWin.top = (screen.height - dialogWin.height) / 2;
var attr = 'left=' + dialogWin.left + ',top=' + dialogWin.top + ',resizable=' + resize + ',width=' + dialogWin.width + ',height=' + dialogWin.height + ',scrollbars=' + scroll + ',menubar=no,location=no,toolbar=no,status=no,directories=no';
}
// AGREGA EL CODIGO ANTI-CACHING
tienesp=false;
for (i=0; i<url.length; i++)
if (url.charAt(i)=='?')
tienesp=true;
if (tienesp)
nocach='&nocache='+mstr;
else
nocach='?nocache='+mstr;
window.open(url + nocach ,name,attr);
}

function popup_video(id) {
popup('http://www.ciudad.com.ar/ar/servicios/media/eber_opciones.asp?ID='+id,'Video','360','480','yes','no');
}