var popper = null;
		function choice() {
			var e = document.getElementById("form1").value;
			if (e == "new")	{document.getElementById("form1").action = "index2.html";}
			else			{document.getElementById("form1").action = "index3.html";}
		}
		function memo() {
			if (popper && popper.open) {popper.close();}
			var dest="newsletter.html";
			popper = window.open(dest,"popMap","scrollbars=yes,toolbar=0,location=0,directories=0,status=0,menubar=0,resizable=0,copyhistory=0,width=550,height=500");
			return;
		}
		function checktix() {
			if (document.form1.name.value=="")		{alert("Please enter YOUR FULL NAME ...");document.form1.name.focus();document.form1.name.select();return false;}
			if (document.form1.phone1.value=="")	{alert("Please enter YOUR AREA CODE ...");document.form1.phone1.focus();document.form1.phone1.select();return false;}
			if (document.form1.phone2.value=="")	{alert("Please enter YOUR FULL TELEPHONE NUMBER ...");document.form1.phone2.focus();document.form1.phone2.select();return false;}
			if (document.form1.phone3.value=="")	{alert("Please enter YOUR FULL TELEPHONE NUMBER ...");document.form1.phone3.focus();document.form1.phone3.select();return false;}
			if (document.form1.email.value=="")		{alert("Please enter YOUR E-MAIL ADDRESS ...");document.form1.email.focus();document.form1.email.select();return false;}
			if (document.getElementById("affilPPB") && document.getElementById("affilOTHER")) {
				if (document.getElementById("affilPPB").checked==false && document.getElementById("affilOTHER").value=="") {
					alert("Please indicate YOUR AFFILIATION ...");document.form1.affilPPB.focus();return false;
				}
			}
			var e = document.getElementById("numtix");
			var totNum = e.options[e.selectedIndex].value;
			if (totNum == 0)	{alert("Please SELECT THE NUMBER OF TICKETS ...");document.form1.numtix.focus();return false;}
			s = document.getElementById("tixmeat");
			var steak = s.options[s.selectedIndex].value;
			f = document.getElementById("tixfish");
			var fish = f.options[f.selectedIndex].value;
			v = document.getElementById("tixfruit");
			var fruit = v.options[v.selectedIndex].value;
			var totMeals = parseInt(steak)+parseInt(fish)+parseInt(fruit);
			if (totMeals != totNum)	{alert("The NUMBER OF TICKETS and NUMBER OF MEALS don't match ...");document.form1.numtix.focus();return false;}

			// check the credit card information
//			e = document.getElementById("ccnum");
//			var cardnum = e.value;
//			var oneDigit = cardnum.substring(0,1);
//			e = document.getElementById("cctype");
//			var selCard = e.options[e.selectedIndex].value;
//			if (selCard == "Visa" && oneDigit != 4)						{alert("You have not entered a valid Visa card number ... please check and re-enter ...");document.form1.ccnum.focus();document.form1.ccnum.select();return false;}
//			else if (selCard == "Mastercard" && oneDigit != 5)			{alert("You have not entered a valid Mastercard card number ... please check and re-enter ...");document.form1.ccnum.focus();document.form1.ccnum.select();return false;}
//			else if (selCard == "American Express" && oneDigit != 3)	{alert("You have not entered a valid American Express card number ... please check and re-enter ...");document.form1.ccnum.focus();document.form1.ccnum.select();return false;}
//			else if (selCard == "Discover" && oneDigit != 6)			{alert("You have not entered a valid Discover card number ... please check and re-enter ...");document.form1.ccnum.focus();document.form1.ccnum.select();return false;}
//			if (luhnCheck() === !1)	{
//				alert("We can't validate the Credit Card Number you entered - please check the number and re-type ...");
//				document.form1.ccnum.focus();
//				document.form1.ccnum.select();
//				return false;
//			}
//			if (!checkDate())	{alert("You have entered an INVALID EXPIRATION DATE - please check and re-type ...");document.form1.xmonth.focus();return false;}
//			var cvvValue = document.form1.cvv.value;
//			if (cvvValue.length == 4 && selCard != "American Express")	{alert("You have entered an INVALID CVV NUMBER ... please check and re-enter ...");document.form1.cvv.focus();document.form1.cvv.select();return false;}
//			else if (cvvValue.length == 3 && (selCard != "Visa" && selCard != "Mastercard" && selCard != "Discover"))	{alert("You have entered an INVALID CVV NUMBER ... please check and re-enter ...");document.form1.cvv.focus();document.form1.cvv.select();return false;}
		}
		function luhnCheck() {
			var e = document.getElementById("ccnum");
			var val = e.value;
			var nondigits = new RegExp(/[^0-9]+/g);
			var number = val.replace(nondigits,'');
			var pos, digit, i, sub_total, sum = 0;
			var strlen = number.length;
			if(strlen < 13){return false;}
			for(i=0;i<strlen;i++){
				pos = strlen - i;
				digit = parseInt(number.substring(pos - 1, pos));
				if(i % 2 == 1) {
					sub_total = digit * 2;
					if(sub_total > 9) {
						sub_total = 1 + (sub_total - 10);
					}
				}
				else {sub_total = digit;}
				sum += sub_total;
			}
			if (sum > 0 && (sum % 10) == 0) {return true;}
			else {return false;}
		}
		function checkDate() {
			// set current month and year
			var right_now=new Date();
			var this_year=right_now.getYear()+1900;
			var this_month=right_now.getMonth();
			// get selected month and year
			var e = document.getElementById("xmonth");
			var selMonth = e.options[e.selectedIndex].value;
			selMonth = parseInt(selMonth,10);
			e = document.getElementById("xyear");
			var selYear = e.options[e.selectedIndex].value;
			// disallow past month/year
			if (selYear == this_year && selMonth < this_month) {return false;}
			return(true);
		}
		function preload() {
			document.form1.numtix.value = parseInt(tsfrTix);
			document.form1.numtixDiscount.value = parseInt(tsfrTix-1);
			return recalc();
		}
		function addMeal() {
			var meat = parseInt(document.getElementById("tixmeat").value);
			var fish = parseInt(document.getElementById("tixfish").value);
			var fruit = parseInt(document.getElementById("tixfruit").value);
			var totNum = parseInt(meat+fish+fruit);
			if (totNum == 0) {
				document.getElementById("numtix").value = 0;
				document.getElementById("numtixDiscount").value = 0;
			}
			else if (totNum > 1) {
				document.getElementById("numtix").value = 1;
				document.getElementById("numtixDiscount").value = parseInt(totNum-1);
			}
			else if (totNum > 0) {
				document.getElementById("numtix").value = 1;
				document.getElementById("numtixDiscount").value = 0;
			}
			return recalc();
		}
		function recalc() {
			if (document.getElementById("numtix").value) {var totNum1 = document.getElementById("numtix").value;}
			else {var totNum1 = 0;}
			if (totNum1>0) {var totcost1 = totNum1*tix1;}
			else {var totcost1 = 0;}
			document.form1.runtot.value = totcost1.toFixed(2);

			if (document.getElementById("numtixDiscount").value) {var totNum2 = document.getElementById("numtixDiscount").value;}
			else {var totNum2 = 0;}
			if (totNum2>0) {var totcost2 = totNum2*tix2;}
			else {var totcost2 = 0;}
			document.form1.runtotDiscount.value = totcost2.toFixed(2);
			
			var totalCharge = parseInt(totcost1+ totcost2);
			document.form1.totCharge.value = totalCharge.toFixed(2);
			
			return;	
		}