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{	
	
		var srv = 0;
		var fee1;
		var combi;
		with (document.frmREG) 
		{
			if (document.getElementById('ServiceCharge')) 
			{
				ServiceCharge.value=(Fee.value.replace(',','')*svperc.value);
				srv=(parseFloat(Fee.value.replace(',','')*svperc.value));
			}
			fee1=(parseFloat(Fee.value.replace(',','')));
			combi=srv+fee1;
			
			if (VATexempt.checked)	{
				VAT.value = 0;
			}
			else {
				VAT.value = (Math.round(combi*mytax.value));
				VAT.value = VAT.value.substring(0,VAT.value.length-2) + '.' + VAT.value.substring(VAT.value.length-2,VAT.value.length);
			}
			
			if(VAT.value.length>6){
				VAT.value = VAT.value.substring(0,VAT.value.length-6) + ',' + VAT.value.substring(VAT.value.length-6,VAT.value.length)};
		
			TotalFee.value = (Math.round((combi*100)+(VAT.value.replace(',','')*100)));
			TotalFee.value = TotalFee.value.substring(0,TotalFee.value.length-2) + '.' + TotalFee.value.substring(TotalFee.value.length-2,TotalFee.value.length);
			if(TotalFee.value.length>6){
				TotalFee.value = TotalFee.value.substring(0,TotalFee.value.length-6) + ',' + TotalFee.value.substring(TotalFee.value.length-6,TotalFee.value.length)};
		}
			
		//if (document.frmREG.VATexempt.checked)	{
//				document.frmREG.VAT.value = 0;
//		}
//		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;
	
	// automatically populate gross fee for  
	// package type
	switch (document.frmREG.NoM.value)
	{
		
		case "Event Pens and Notepads#PENS":
				theFee = "3500.00";
			break;
		
		case "Delegate Lounge Sponsor#SPONSORSHIP":
				theFee = "19950.00";
			break;
		
		
		case "Entry Level":
				theFee = "9995.00";
			break;
		
		case "Silver#SILVER":
				theFee = "16950.00";
			break;
		
		
		case "Gold#GOLD":
				theFee = "23950.00";
			break;
			
			
		
		case "Platinum#PLATINUM":
				theFee = "26950.00";
			break;
		case "Lead Sponsor#LD SPONSOR":
				theFee = "69950.00";
			break;
		case "Lead Category Sponsor#LDCAT SPONSOR":
				theFee = "34950";
			break;
		
		case "Drinks Reception Sponsor#LUNCH SPNS":
				theFee = "19950.00";
			break;
		
		case "Delegate Bag Sponsor#BRFCASE SPNS":
				theFee = "4950.00";
			break;
		
		case "Web Catalogue and Show Guide Sponsor#CAT SPNS":
				theFee = "5995.00";
			break;
		
		case "Online Package#ONLINE":
				theFee = "12500";
			break;
		
		case "Exhibitor Package#EXHIBITOR":
				theFee = "8950.00";
			break;
								
		case "Workshop Package#WORKSHOP":
				theFee = "14950.00";
			break;
			case "Roundtable Package#roundtable":
				theFee = "5950.00";
			break;
			case "Supplier Delegate Package#SUPP DELG":
                                theFee = "1495";
                                break;
                                                
                                case "Supplier Delegate (1)#SUP DEL":
                                theFee = "1495";
                                break;   
                                
                                case "Supplier Delegate (2)#SUP DEL":
                                theFee = "2990";
                                break;
                                                
                                case "Supplier Delegate (3)#SUP DEL":
                                theFee = "4485";
                                break;   
                                                
                                case "Supplier Delegate (4)#SUP DEL":
                                theFee = "5980";
                                break;


								
		default:
			theFee = "0.00";
			break;
	}
	
	// add the technical paper extra
	if (document.frmREG.paper.checked)
	{ theExtra = parseFloat("1950"); }
		
	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;
	
	// automatically populate gross fee for delegate 
	// package type
	switch (document.frmREG.Package.value)
	{
		
		case "Industry Delegate Package#DELG":
				theFee = "1495.00";
			break;

		case "Industry Delegate Package plus pre-event workshop#DELG":
				theFee = "2395.00";
			break;
			
		case "Supplier Delegate Package#SUPP DELG":
				theFee = "2995.00";
			break;
		
		default:
			theFee = "0.00";
			break;
	}

		
// add extra for Virtual Conference booking
if (document.frmREG.ondemand.checked)
	{ theVC =395; }
		
	else
	{ theVC = 0; }

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