function MM_reloadPage(init) {  //reloads the window if Nav4 resized
  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
  else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}
MM_reloadPage(true);

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_showHideLayers() { //v6.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v=='hide')?'hidden':v; }
    obj.visibility=v; }
}

function menucloselayers() {
	MM_showHideLayers('menucloserLayer','','hide','menu1','','hide');
}

// http://support.worldpay.com/examples/example_0/jr_example0.2.html
function roundOff(value)
{// doesn't work below 1?
	if (value == 0)
	{
		return "0";
		exit;
	}
	precision = 2;
	value = "" + value //convert value to string
	precision = parseInt(precision);
	var whole = "" + Math.round(value * Math.pow(10, precision));
	var decPoint = whole.length - precision;

	if(decPoint != 0)
	{
		result = whole.substring(0, decPoint);
		result += ".";
		result += whole.substring(decPoint, whole.length);
	}
	else
	{
		result = whole;
	}

	return result;
}

function roundNumber(val, precision) {
	//return Math.round(val * Math.pow(10, precision)) / Math.pow(10, precision);
	return val.toFixed(precision);
}

function CheckNull(value)
{
	if (value == "")
	{
		value = "0";
	}

	return value;
}

function calculate()
{
	var basicprice = 0;
	var quantitytotal = 0;
	var listcount = Number(CheckNull(document.orderform.itemcount.value));
	for (var n = 1; n <= listcount; n++) {
	
		basicprice += Number( roundNumber( Number(CheckNull(document.orderform["qty" + n].value)) * Number(CheckNull(document.orderform["cost" + n].value)) , 2) );

		quantitytotal += Number(CheckNull(document.orderform["qty" + n].value));

	}

	var discount = Number(roundNumber(basicprice * 0.12, 2));

	//var delivery = document.orderform.delivery.value;
	//if (delivery == '' || delivery > 0) {
		if (quantitytotal <= 12) {
			var delivery = 7.50;
		} else {
			var delivery = 12.50;
		}
	//} else {
	//	var delivery = 0.00;
	//}

	switch (document.orderform.deliverypostcode.value.toUpperCase()) {
		case 'HG':
		case 'LS':
		case 'YO':
			var delivery = 0.00;
		break;
	}

	var total = basicprice - discount + delivery;

	//document.BuyForm.desc.value = (document.BuyForm.qty1.value) + " x Product 1, " + (document.BuyForm.qty2.value) + " x Product 2, " + (document.BuyForm.qty3.value) + " x Product 3.";

	document.orderform.discount.value = -roundNumber(Number(discount), 2);
	document.orderform.delivery.value = roundNumber(Number(delivery), 2);
	document.orderform.cost.value = roundNumber(Number(total), 2);
	document.orderform.cost_cheque.value = roundNumber(Number(total), 2);
	document.orderform.cost_card.value = roundNumber(Number(total), 2);
}

$(document).ready(function(){
	$('#pics').cycle({
		fx: 'fade',
		timeout: 2000
	});
});