function bookcheck(form,startdate)
{
var r = 1;
if (form.nopeeps.value.length == 0) r=2;
if (r==2) { alert('Please select the number of travelers in your party.'); }
else {
form.dates.value=startdate;
document.book.submit();}
}

function validate2(form)
{
var r = 1
if (form.dates.value.length == 0) r=2;
if (form.nopeeps.value.length == 0) r=3;

if (r==2) { alert('Please select a departure date for this tour.'); return false; }
if (r==3) { alert('Please select the number of travelers in your party.'); return false; }
return true;
}