function popup2(url)
{window.open(url,'_blank','toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=1,resizable=1,width=640,height=500,left=150,top=50');}

function popup3(url)
{
 window.open(url,'_blank','toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=1,resizable=1,width=500,height=400, left=240,top=50');
}

function addIEFavorite()
{
 if(window.external) {external.AddFavorite(location.href, 'Guatire.NET')}
  else {alert('Disculpa, este browser no soporta esta función.\n');}
}

function MM_jumpMenu(targ,selObj,restore)
{ //v3.0
 eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'");
 if (restore) selObj.selectedIndex=0;
}


<!--//
var name=navigator.appName;
var ver=parseInt(navigator.appVersion);
var browser=0;
if(name == "Netscape" && ver >= "3" || name == "Microsoft Internet Explorer" && ver >= "4")
{ browser=3; }
else
{ browser=2; }
// little bit outdated, now we presume that every browser is ok
browser=3;
// (c) 1998 Stefan Schmidt
var enteredText="";
var dialedNumber="";            //gewaehlte Nummer
var timeOut=3000;                       //timeOut zwischen zwei Tastendruecken (in ms)
var buttonPressed=false;        //flag zum Pruefen, ob eine Nummer gedrueckt wurde

function clickLetter(letter)
{
 enteredText = enteredText + letter;
 window.document.Keyboard.Data.value =
 window.document.Keyboard.Data.value + letter;
}

function clickGo()
{
 if(browser == 2)
 {

 }
 else {
  parent.location.href=enteredText;
 }
 return;
}


function appendText(toAdd) {
  enteredText = enteredText + toAdd;
  window.document.Keyboard.Data.value = enteredText;
}


function addhttp(toAdd) {
  enteredText = toAdd;
  window.document.Keyboard.Data.value = enteredText;
}

function delchar() {
  enteredText = enteredText.substring(0,enteredText.length-1);
  window.document.Keyboard.Data.value = enteredText;
}
//-->