function checkFee(){
	if(!IsInt(document.frmREG.Fee.value,true)){
		alert('The fee must be a number.');
		document.frmREG.Fee.value = '';
		document.frmREG.VAT.value = '';
		document.frmREG.TotalFee.value = '';
	}
	else{
			
				document.frmREG.VAT.value = (Math.round(document.frmREG.Fee.value.replace(',','')*document.frmREG.mytax.value));
			
		document.frmREG.VAT.value = document.frmREG.VAT.value.substring(0,document.frmREG.VAT.value.length-2) + '.' + document.frmREG.VAT.value.substring(document.frmREG.VAT.value.length-2,document.frmREG.VAT.value.length);
		if(document.frmREG.VAT.value.length>6){
			document.frmREG.VAT.value = document.frmREG.VAT.value.substring(0,document.frmREG.VAT.value.length-6) + ',' + document.frmREG.VAT.value.substring(document.frmREG.VAT.value.length-6,document.frmREG.VAT.value.length)};
	
		document.frmREG.TotalFee.value = (Math.round((document.frmREG.Fee.value.replace(',','')*100)+(document.frmREG.VAT.value.replace(',','')*100)));
		document.frmREG.TotalFee.value = document.frmREG.TotalFee.value.substring(0,document.frmREG.TotalFee.value.length-2) + '.' + document.frmREG.TotalFee.value.substring(document.frmREG.TotalFee.value.length-2,document.frmREG.TotalFee.value.length);
		if(document.frmREG.TotalFee.value.length>6){
			document.frmREG.TotalFee.value = document.frmREG.TotalFee.value.substring(0,document.frmREG.TotalFee.value.length-6) + ',' + document.frmREG.TotalFee.value.substring(document.frmREG.TotalFee.value.length-6,document.frmREG.TotalFee.value.length)};
	}
}
function MM_jumpMenu(targ,selObj,restore){ //v3.0
  eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'");
  if (restore) selObj.selectedIndex=0;
}
function IsInt(checkStr,bReal) {
	var checkOK = "0123456789,";
	var allValid = true;
	var allNum = "";

	if (bReal){ checkOK = checkOK + '.';}

	for (i = 0;  i < checkStr.length;  i++)
	{
	  ch = checkStr.charAt(i);
	  for (j = 0;  j < checkOK.length;  j++)
		if (ch == checkOK.charAt(j))
		  break;
		if (j == checkOK.length)
		{
		  allValid = false;
		  break;
		}
		if (ch != ",")
		  allNum += ch;
	}

	if (!allValid)
	{
		return false;
	}
	else return true;
}
function updateFee(){
	
	var theFee;
	var theExtra;
	
	// automatically populate gross fee for  
	// package type
	switch (document.frmREG.NoM.value)
	{
		
		case "Silver#SILVER":
				theFee = "16950.00";
			break;
		
		case "Gold#GOLD":
				theFee = "23950.00";
			break;
		
		case "Platinum#PLATINUM":
				theFee = "26950.00";
			break;
			case "Lead Category Sponsor#LD SPONSOR":
				theFee = "34950.00";
			break
			
		
			
			case "Event Pens and Notepads#PENS":
				theFee = "3500.00";
			break;
		
		case "Delegate Lounge Sponsor#SPONSORSHIP":
				theFee = "8950.00";
			break;
		
		case "Lead Sponsor#LD SPONSOR":
				theFee = "39950.00";
			break;
			case "Event Sponsor#LD SPONSOR":
				theFee = "39950.00";
			break;
		
		case "Drinks Reception Sponsor#LUNCH SPNS":
				theFee = "10000";
			break;
		
		case "Delegate Bag Sponsor#BRFCASE SPNS":
				theFee = "5000";
			break;
		
		case "Web Catalogue and Show Guide Sponsor#CAT SPNS":
				theFee = "5000";
			break;
		
		case "Online Package#ONLINE":
				theFee = "9950";
			break;
		
		case "Exhibitor Package#EXHIBITOR":
				theFee = "8950";
			break;
								
		case "Workshop Package#WORKSHOP":
				theFee = "14950";
			break;
				
			case "Gala Dinner Sponsor#LUNCH SPNS":
				theFee="15000";
			break;
		default:
			theFee = "0.00";
			break;
	}
	
	// add the technical paper extra

	if (document.frmREG.paper.checked)
	{ theExtra = parseFloat("1950");
	//alert(theExtra);
	}

	else
	{ theExtra = parseFloat("0");
	
	}
	
	theFee = parseFloat(theFee);
	
	// update fee box
	document.frmREG.Fee.value = (theFee + theExtra);
	
	// ensure tax and total is calculated
	if (document.frmREG.NoM.value=="Online Package#ONLINE")
	{
	document.frmREG.VAT.value =0;	
	document.frmREG.TotalFee.value=document.frmREG.Fee.value;
	}
	else
	{
	checkFee();
	}
}

function updateDelFee(delNo){
	
	var theFee;
	var theFee1d;
	var theFee2d;
	var theFee3d;
	var theFee4d;
	var theDiscount;
	
	// automatically populate gross fee for delegate 
	// package type
	switch (document.frmREG.Package.value)
	{
		
		case "Industry Delegate Package#DELG":			
				theFee = "1395.00";			
			break;

		case "Supplier Delegate Package#SUPP DELG":				
					theFee = "2995.00";			
			break;	
			
			case "Supplier Delegate Conference Package#SUPP DELGCONF":				
					theFee = "1795.00";			
			break;
			
				case "Industry Delegate Package + 1 morning and 1 afternoon workshop#DELG":			
				theFee = "1795.00";	
			break;

		case "Industry Delegate Package + any 1 workshop#DELG":
				theFee = "2195.00";
			break;	
		
		
		case "Delegate Registration Discount":
				theFee = "1195.00";
			break;
		default:
				theFee = "0.00";
			break;
	}
		

	if (document.frmREG.T_BrochureCode.value.toUpperCase() == "GREBF1")
	{	theDiscount = parseFloat("0.5"); }
	else {
		theDiscount = parseFloat("1");
	}
		if (document.frmREG.T_BrochureCode.value.toUpperCase() == "GREN")
	{	theDiscount = 0.75; }
	else {
		theDiscount = 1;
	}
	
	if (document.frmREG.T_BrochureCode.value.toUpperCase() == "SG3")
	{	theCashDiscount =parseFloat("200"); }
	else {
		theCashDiscount = parseFloat("0");
	}
	
	// add extra for Virtual Conference booking
if (document.frmREG.ondemand.checked)
	{ theVC = parseFloat("395"); }
		
	else
	{ theVC = parseFloat("0"); }
	

	// update fee box
	document.frmREG.Fee.value = (((((theFee) * delNo) * theDiscount)-theCashDiscount) + theVC);
	
	// ensure tax and total is calculated
	checkFee();
}