function addCommas(nStr)
{
	nStr += '';
	x = nStr.split('.');
	x1 = x[0];
	x2 = x.length > 1 ? '.' + x[1] : '';
	var rgx = /(\d+)(\d{3})/;
	while (rgx.test(x1)) {
		x1 = x1.replace(rgx, '$1' + ',' + '$2');
	}
	return x1 + x2;
}


function roundNumber(num, dec) {
	var result = Math.round(num*Math.pow(10,dec))/Math.pow(10,dec);
	return result;
}

function formatAsMoney(mnt) {
mnt -= 0;
mnt = (Math.round(mnt*100))/100;
return (mnt == Math.floor(mnt))? mnt + '.00'
: ( (mnt*10 == Math.floor(mnt*10))?
mnt + '0' : mnt);
} 

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;
	
	// automatically populate gross fee for  
	// package type
	switch (document.frmREG.NoM.value)
	{
		
		case "Summit Lead#SummitLEAD":
		theFee = 39950.00;
			break;
			
			case "Category Lead#catLEAD":
		theFee = 34950.00;
			break;
			
		case "Silver#SILVER":
				theFee = 16950.00;
			break;
		
		case "Gold#GOLD":
				theFee = 23950.00;
			break;
		
		case "Platinum#PLATINUM":
				theFee = 26950.00;
			break;
		
		case "Focus Day Lunch Sponsor#FOCUS LUNCH":
				theFee = 10950.00;
			break;
			
		case "Lead Sponsor#LD SPONSOR":
				theFee = 35000;
			break;
		
		case "Drinks Reception Sponsor#LUNCH SPNS":
				theFee = 10000;
			break;
					
		case "Delegate Lounge Sponsor#SPONSORSHIP":
				theFee = 7500;
			break;
		
		case "Delegate Bag Sponsor#BRFCASE SPNS":
				theFee = 5000;
			break;
		
		case "Catalogue Sponsor#CAT SPNS":
				theFee = 5000;
			break;
		case "Web catalogue and show guide sponsor#WEB":
				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 "On-site Networking Package#DELG":
				theFee = 500;
			break;
		case "Focus Day Sponsor#FOCUS":
				theFee = 26950;
			break;
					
								
		default:
			theFee = 0.00;
			break;
	}
	
	// update fee box
	if (document.getElementById("id_keynote").checked)
	{
	theFee=theFee+695.00;
	}
	
		
	// update fee box
	document.frmREG.Fee.value = addCommas(formatAsMoney(theFee));
	
	
	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 theExtra;
//	var theBird;
	
	// automatically populate gross fee for delegate 
	// package type
	switch (document.frmREG.Package.value)
	{
		
		case "Gold Delegate Package#DELG":
				theFee = 2095;
			break;
			
		case "Silver Delegate Package#DELG":
				theFee = 1895;
			break;	

		case "Supplier Delegate Package Fee":
				theFee = "2995.00";
			break;	
			
				case "Industry Delegate Package#DELG":
				theFee = "1350.00";
			break;
			
			case "Delegate package + OpEx masterclass#DELG":
				theFee = "1695.00";
			break;
			case "Delegate package + COG reduction masterclass#DELG":
				theFee = "1695.00";
			break;
		case "Industry Delegate Package + any 1 workshop":
				theFee = "2195.00";
			break;	
		
		default:
			theFee = "0.00";
			break;
	}	// add extra for Virtual Conference booking
	if (document.frmREG.ondemand.checked)
	{ theVC = parseFloat("395"); }
		
	else
	{ theVC = parseFloat("0"); }
	
	// theFee = parseFloat(theFee) + theVC;	
	
	
//	if (document.frmREG.bird.checked)
//	{ theBird = 200; }
//		
//	else
//	{ theBird = 0; }
	

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