function ClearInput(form) {
form.attendance.value="";
form.banquet72.value="";
form.theater.value="";
form.school18.value="";
return true;
}
function help(nothingentered) {
if (nothingentered == "attendance")
alert("Enter the number of people who will be attending your event.")
}
function SizeCalc(form) {
var banquet72 = 0;
var theater = 0;
var school18 = 0;

if (form.attendance.value==null||form.attendance.value.length==0){
        alert("Please enter the number of people attending.");
        return false;}
        else
        attendance = form.attendance.value
form.banquet72.value = attendance * 26;
form.theater.value = attendance * 20;
form.school18.value = attendance * 30.5;

return true;
}