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<SCRIPT LANGUAGE="JavaScript">


<!-- Begin
function run() {
with (document.agecalc) {
dd = parseInt(day.selectedIndex) + 1;
mm = parseInt(month.selectedIndex) + 1;
yy = year.value;
if (yy.length != 4 || isNaN(yy)) {
document.agecalc.timealive.value = "Please enter a 4-digit year.";
document.agecalc.year.select();
document.agecalc.year.focus();
return;
   }
}
days = new Date();
gdate = days.getDate();
gmonth = days.getMonth();
gyear = days.getYear();
if (gyear < 2000) gyear += 1900;
age = gyear - yy;
if ((mm == (gmonth + 1)) && (dd <= parseInt(gdate))) {
age = age; 
} else {
if (mm <= (gmonth)) {
age = age;
} else {
age = age - 1; 
   }
}
if (age == 0)
age = age;
document.agecalc.timealive.value = "Tu edad es de " + age+ " años\n\n";
if (mm <= (gmonth + 1))
age = age - 1;
if ((mm == (gmonth + 1)) && (dd > parseInt(gdate))) 
age = age + 1;
var m;
var n;
if (mm == 12) n = 31 - dd;
if (mm == 11) n = 61 - dd;
if (mm == 10) n = 92 - dd;
if (mm == 9) n = 122 - dd;
if (mm == 8) n = 153 - dd;
if (mm == 7) n = 184 - dd;
if (mm == 6) n = 214 - dd;
if (mm == 5) n = 245 - dd;
if (mm == 4) n = 275 - dd;
if (mm == 3) n = 306 - dd;
if (mm == 2) { n = 334 - dd; if (leapyear(yy)) n++; }
if (mm == 1) { n = 365 - dd; if (leapyear(yy)) n++; }
if (gmonth == 1) m = 31;
if (gmonth == 2) {
m = 59;
if (leapyear(gyear)) m++;
}
if (gmonth == 3)  { m = 90;  if (leapyear(gyear)) m++; }
if (gmonth == 4)  { m = 120; if (leapyear(gyear)) m++; }
if (gmonth == 5)  { m = 151; if (leapyear(gyear)) m++; }
if (gmonth == 6)  { m = 181; if (leapyear(gyear)) m++; }
if (gmonth == 7)  { m = 212; if (leapyear(gyear)) m++; }
if (gmonth == 8)  { m = 243; if (leapyear(gyear)) m++; }
if (gmonth == 9)  { m = 273; if (leapyear(gyear)) m++; }
if (gmonth == 10) { m = 304; if (leapyear(gyear)) m++; }
if (gmonth == 11) { m = 334; if (leapyear(gyear)) m++; }
if (gmonth == 12) { m = 365; if (leapyear(gyear)) m++; }
months = age * 12;
months += 12 - parseInt(mm);
months += gmonth;
totdays = (parseInt(age) * 365);
totdays += age / 4;
totdays = parseInt(totdays) + gdate + m + n;
if (gmonth == 1) p = 31 + gdate;
if (gmonth == 2) {
p = 59 + gdate;
if (leapyear(gyear)) m = m+1;
}
if (gmonth == 3)  { p = 90 + gdate;  if (leapyear(gyear)) p++; }
if (gmonth == 4)  { p = 120 + gdate; if (leapyear(gyear)) p++; }
if (gmonth == 5)  { p = 151 + gdate; if (leapyear(gyear)) p++; }
if (gmonth == 6)  { p = 181 + gdate; if (leapyear(gyear)) p++; }
if (gmonth == 7)  { p = 212 + gdate; if (leapyear(gyear)) p++; }
if (gmonth == 8)  { p = 243 + gdate; if (leapyear(gyear)) p++; }
if (gmonth == 9)  { p = 273 + gdate; if (leapyear(gyear)) p++; }
if (gmonth == 10) { p = 304 + gdate; if (leapyear(gyear)) p++; }
if (gmonth == 11) { p = 334 + gdate; if (leapyear(gyear)) p++; }
if (gmonth == 12) { p = 365 + gdate; if (leapyear(gyear)) p++; }
weeks = (age * 365) + n + p;
weeks = weeks / 7;
etcdays = parseFloat(weeks) - parseInt(weeks);
etcdays = Math.round(etcdays * 7);
weeks = parseInt(weeks);
etcdays += parseInt(age / 4);
if (etcdays > 7)
weeks += parseInt(etcdays / 7);
document.agecalc.timealive.value += "     vividas " + weeks + " semanas\n";
document.agecalc.timealive.value += "     ó " + months + " meses\n";
document.agecalc.timealive.value += "     ó " + totdays + " dias\n";
var time = new Date();
ghour = time.getHours();
gmin = time.getMinutes();
gsec = time.getSeconds(); 
hour = ((age * 365) + n + p) * 24;
hour += (parseInt(age / 4) * 24);
document.agecalc.timealive.value += "     ó " + hour + " horas\n";
var min = (hour * 60) + gmin;
document.agecalc.timealive.value += "     ó " + min + " minutos\n";
sec = (min * 60) + gsec;
document.agecalc.timealive.value += "     ó " + sec + " segundos";
mm = mm - 1;
var r;
if (mm == 0) r = 0;
if (mm == 1) r = 31;
if (mm == 2) { r = 59; if (leapyear(gyear)) m++; }
if (mm == 3)  { r = 90;  if (leapyear(gyear)) r++; }
if (mm == 4)  { r = 120; if (leapyear(gyear)) r++; }
if (mm == 5)  { r = 151; if (leapyear(gyear)) r++; }
if (mm == 6)  { r = 181; if (leapyear(gyear)) r++; }
if (mm == 7)  { r = 212; if (leapyear(gyear)) r++; }
if (mm == 8)  { r = 243; if (leapyear(gyear)) r++; }
if (mm == 9)  { r = 273; if (leapyear(gyear)) r++; }
if (mm == 10) { r = 304; if (leapyear(gyear)) r++; }
if (mm == 11) { r = 334; if (leapyear(gyear)) r++; }
mm = mm + 1;
r = parseInt(r) + parseInt(dd);

if ((mm >= (gmonth + 1)) && (dd > gdate)) {
bday = r - m - gdate;
}
else {
if ((leapyear(gyear)) && ((mm > 2) && (dd < 29))) {
a = 366;
} else {
a = 365;
}
bday = a + (r - m - gdate);
}
nhour = 24 - parseInt(ghour);
nmin = 60 - parseInt(gmin);
nsec = 60 - parseInt(gsec);
while (bday > 366) bday -= 365;
if (((bday == 366) && (leapyear(gyear)) || ((bday == 365) && (!leapyear(gyear))))) {
document.agecalc.timealive.value += "\n\nAnd, today is your birthday!";
} else {
document.agecalc.timealive.value += "\n\nPara su próximo cumpleaños falta:\n"
+ bday + " dias " + nhour + " horas " + nmin + " minut. " + nsec + " seg.";
setTimeout("run()", 1000);
   }
}
function leapyear(a) {
if (((a%4 == 0) && (a%100 != 0)) || (a%400 == 0))
return true;
else
return false;
}
//  End -->
</script>

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