// JavaScript Document
function update_guest_info() {
	
	var reserved_seats = document.getElementById("number_of_seats").value;
	var i = 0;
	if(isNaN(reserved_seats)) {
		alert("Please enter numbers only in the reserved seat field");
	}
	
	else{
	
		if(document.getElementById("guest_data")) {
			for(i=0;i<= reserved_seats;i++) {
			
				if(i == 0) {
					document.getElementById("guest_data").innerHTML = '';	
				}
				else {
					document.getElementById("guest_data").innerHTML = document.getElementById("guest_data").innerHTML+"<BR />Name: <input name='guest"+i+"_name' type='text' id='guest"+i+"_name' size='30' />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Meal Choice: <select name='guest"+i+"_meal_choice' id='guest"+i+"_meal_choice'><option value='0' selected='selected'>Choose. . . </option><option value='Vegetarian'>Vegetarian </option><option value='Non-Vegetarian'>Non-Vegetarian </option></select>";
				}
		
		
			}
		}
		
	}
	
	html = calculate_rsvp_total(reserved_seats);
	document.getElementById("guest_data").innerHTML = document.getElementById("guest_data").innerHTML + "<p class='formHeader' align='center'>"+html+"</p>";
}


function calculate_rsvp_total(seats) {

	var cost = 25;
	var total = cost*seats;
	document.getElementById('total_due').innerHTML = "Total Due: $"+total.toFixed(2);
	return document.getElementById('total_due').innerHTML;

}

function calculate_gift_total() {

	if(isNaN(document.getElementById('Community_Scholarship_Fund').value) | isNaN(document.getElementById('Hampden_Grantmaking_Fund').value) | isNaN(document.getElementById('Hampshire_Grantmaking_Fund').value) | isNaN(document.getElementById('Franklin_Grantmaking_Fund').value) | isNaN(document.getElementById('Annual_Fund').value) | isNaN(document.getElementById('5_Under_Fund').value) | isNaN(document.getElementById('Other_Fund').value)) {
	
		alert("Please enter numbers only (No letters or dollar signs please).");
	}
	else{
		var totalCost = document.getElementById('Community_Scholarship_Fund').value*1 + document.getElementById('Hampden_Grantmaking_Fund').value*1 + document.getElementById('Hampshire_Grantmaking_Fund').value*1 + document.getElementById('Franklin_Grantmaking_Fund').value*1 + document.getElementById('Annual_Fund').value*1 + document.getElementById('5_Under_Fund').value*1 + document.getElementById('Other_Fund').value*1;
	
	document.getElementById('Total_Gift').value = totalCost;
	}


}