function ClearInput(form) {
form.attendance.value="";
form.banquet60.value="";
form.banquet72.value="";
form.theater.value="";
form.school18.value="";
form.school30.value="";
form.reception.value="";
form.trade8.value="";
form.trade10.value="";
return true;
}
function help(helponwhat) {
if (helponwhat == "attendance")
alert("Enter the number of people who will be attending your event.")
}
 function SizeCalc(form) {
var banquet60 = 0;
var banquet72 = 0;
var theater = 0;
var school18 = 0;
var school30 = 0;
var reception = 0;
var trade8 = 0;
var trade10 = 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.banquet60.value = attendance * 12;
form.banquet72.value = attendance * 12.05;
form.theater.value = attendance * 9;
form.school18.value = attendance * 14.5;
form.school30.value = attendance * 17.5;
form.reception.value = attendance * 9.5;
form.trade8.value = attendance * 160;
form.trade10.value = attendance * 200;
return true;
}