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;
	var theExtra;
	
	// automatically populate gross fee for  
	// package type
	switch (document.frmREG.NoM.value)
	{
			case "Event Pens and Notepads#PENS":
				theFee = 3500.00;
			break;
			
			case "Networking Lunch#LUNCH":
				theFee = 10000.00;
			break;
		
		case "Delegate Lounge Sponsor#SPONSORSHIP":
				theFee = 8950.00;
			break;
			
		
		case "Platinum#PLATINUM":
				theFee = 26950.00;
			break;
		
		case "Silver#SILVER":
				theFee = 16950.00;
			break;
		
		case "Gold#GOLD":
				theFee = 23950.00;
			break;
		
		case "Exhibition#EXHIBITION":
				theFee = 8950.00;
			break;
			
			case "Workshop#WORKSHOP":
				theFee = 14950.00;
			break;
			
			case "Lead Category Sponsor#LD SPONSOR":
				theFee = 34950.00;
			break
		case "Lead Summit Sponsor#LD SPONSOR":
				theFee = 39950.00;
			break;
			case "Event Sponsor#LD SPONSOR":
				theFee = 44950.00;
			break;
		
		case "Drinks Reception Sponsor#LUNCH SPNS":
				theFee = 10000.00;
			break;
		
		case "Delegate Bag Sponsor#BRFCASE SPNS":
				theFee = 5000.00;
			break;
		
		case "Web Catalogue and Show Guide Sponsor#CAT SPNS":
				theFee = 5000.00;
			break;
		
		case "Online Package#ONLINE":
				theFee = 9950.00;
			break;
		
		case "Exhibitor Package#EXHIBITOR":
				theFee = 8950.00;
			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 = 1950;
	//alert(theExtra);
	}

	else
	{ theExtra = 0;
	
	}
	
	if (document.getElementById("id_keynote").checked)
	{
	theFee=theFee+695.00;
	}
	
	theFee=theFee+theExtra
	
	
	// update fee box
	document.frmREG.Fee.value = addCommas(formatAsMoney(theFee));
	
	
	// 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 = "0.00";
				theFee1d = "1295.00";
				theFee2d="2871.00";
				theFee3d="3828.00";
				theFee4d="4785.00";
			break;

		case "Supplier Delegate Package#SUPP DELG":
				theFee = "0.00";
					theFee1d = "2995.00";
				theFee2d="5990.00";
				theFee3d="8985.00";
				theFee4d="11980.00";
			break;	
			
				case "Industry Delegate Package + 1 morning and 1 afternoon workshop#DELG":
				theFee = "0.00";
				theFee1d = "1295.00";
				theFee2d="3231.00";
				theFee3d="4308.00";
				theFee4d="5385.00";
			break;

		case "Industry Delegate Package + any 1 workshop#DELG":
				theFee = "2195.00";
					theFee1d = "0.00";
				theFee2d="0.00";
				theFee3d="0.00";
				theFee4d="0.00";
			break;	
		
		default:
				theFee = "0.00";
				theFee1d = "0.00";
				theFee2d="0.00";
				theFee3d="0.00";
				theFee4d="0.00";
			break;
			
			case "Industry Delegate Discount#DELG":
				theFee = "0.00";
				theFee1d = "1095.00";
			
			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;
	}
	
	
	// add extra for Virtual Conference booking
	if (document.frmREG.ondemand.checked)
	{ theVC = parseFloat("395"); }
		
	else
	{ theVC = parseFloat("0"); }
	

	// theFee = parseFloat(theFee) + theVC;	
	

	//	}
	
	//alert(theFee1d)
	//alert(theFee2d)
	//alert(theFee3d)
	//alert(theFee4d)
	if (delNo==1)
	{
		theFee=parseFloat(theFee1d);
		
	}
	if (delNo==2)
	{
		theFee=parseFloat(theFee2d);
		
	}
	
	if (delNo==3)
	{
		theFee=parseFloat(theFee3d);
		
	}
	
	if (delNo==4)
	{
		theFee=parseFloat(theFee4d);
		
	}
	//alert(delNo)
	
	// update fee box
	document.frmREG.Fee.value = ((theFee * theDiscount) + theVC);
	
	// ensure tax and total is calculated
	checkFee();
}