var msg='msg';
var deliverycost=0;
var free_delivery=1000;
var reduced_deliverycost=0;
var headercolor='#FFC800';
var headertext='#000000';
var ordercolor1='#FFFFFF';
var ordercolor2='#F5F5F5';
var totalcolor='#FFFFFF';
var totalcolor1='#FFFFFF';

var sales_tax=0;
var sales_tax_percent=0.00
var total_with_tax=0

var actual_deliverycost=deliverycost;
var itemn=0;
var total_weight=0;
var total_price=0;
var item_arr = new Array();
var weight_arr = new Array();
var price_arr = new Array();
var quantity_arr = new Array();
var group_arr = new Array();
var discountgroup = new Array("G1","G2","G3","G4");
var discountgroupmin = new Array(3,4,3,3);
var discountgroupval = new Array(10,60,24,24);
var discountgroupant  = new Array(0,0,0,0);
var discountgrouptxt  = new Array("Discount text1","Discount text2","Discount text3","Discount text4");
var temp_item_arr = new Array();
var temp_weight_arr = new Array();
var temp_price_arr = new Array();
var temp_group_arr = new Array();
var temp_quantity_arr = new Array();
var bill_arr1 = new Array();
var bill_arr2 = new Array();
var bill_arr3 = new Array();
var bill_arr4 = new Array();
var bill_item_ix = new Array();
var bill_ix = 0;
var sw_delete = false;
var first_order = true;

function delete_all(showbasket)
{
itemn=0; total_price=0; total_weight=0; bill_ix = 0;
first_order = true;
toc.location.href='Tool01.htm';
for(var i=0; i<discountgroupant.length; i++)
{discountgroupant[i]=0;
}
if (showbasket != 'nobasket')
{
content2.location.href='Basket.htm';
}	
}
function discountcheck(item2,group2,quan2)
{
for(var i=0; i<discountgroup.length; i++)
{
//if item order belong to discount group then increment # of item ordered for this group
if (discountgroup[i] == group2)
{
discountgroupant[i]= discountgroupant[i]+eval(quan2);
if (discountgroupant[i] >= discountgroupmin[i])
{
temp2 = discountgroupant[i] % discountgroupmin[i];
temp1 = (discountgroupant[i] -temp2)/discountgroupmin[i];
discountgroupant[i]=temp2;
discount(discountgrouptxt[i],discountgroupval[i],temp1);
}
}
}
}
function discount(discounttekst,reduction,quantity)
{
bill_arr1[bill_ix] = discounttekst;
bill_arr2[bill_ix] = reduction;
bill_arr3[bill_ix] = quantity;
bill_item_ix[bill_ix] = null;
bill_ix++;
total_price=total_price-reduction*quantity;
if (sw_delete == false)
alert(discounttekst+" "+reduction*quantity+" deducted\nTotal price: "+total_price);
}
function delete_order(itemix)
{
for(var i = 0; i < itemn; i++)
{ temp_item_arr[i] = item_arr[i];
temp_price_arr[i] = price_arr[i];
temp_weight_arr[i] = weight_arr[i];
temp_quantity_arr[i]  = quantity_arr[i];
temp_group_arr[i]  = group_arr[i];
}
for(var i=0; i<discountgroupant.length; i++)
{discountgroupant[i]=0;
}
j=itemn;
itemn=0; total_price=0; total_weight=0; bill_ix = 0;
sw_delete = true; // no order-alert when recalculating
for(var i=0; i < j; i++)
{
if (i != itemix)
order(temp_item_arr[i],temp_price_arr[i],temp_weight_arr[i],temp_quantity_arr[i],temp_group_arr[i]);
}
sw_delete = false;
toc.document.frm.basket.value='      '+total_price;
if (total_price == 0)
{
first_order = true;
toc.location.href='Tool01.htm';
}
content2.location.href='Basket.htm';
}
function order_ok(item,price,weight,quantity)
{
if (sw_delete == true)
return true;
else
{
if (msg == 'nomsg')
return true;
else
{
temp = total_price+price*quantity;
return (confirm("Please confirm ordering  "+quantity+" "+item));
}
}
}
function order(item,price,weight,quantity,group)
{
if (order_ok(item,price,weight,quantity))
{
item_arr[itemn] = item;
price_arr[itemn] = price;
weight_arr[itemn] = weight;
quantity_arr[itemn] = quantity;
group_arr[itemn]  = group;
bill_item_ix[bill_ix] = itemn;
itemn++;
bill_arr1[bill_ix] = item;
bill_arr2[bill_ix] = price;
bill_arr3[bill_ix] = quantity;
bill_arr4[bill_ix] = weight;
bill_ix++;
total_price=total_price+price*quantity;
total_weight=total_weight+weight*quantity;
actual_deliverycost=total_weight*1.00
if (total_price > free_delivery)
actual_deliverycost=reduced_deliverycost;
discountcheck(item,group,quantity);
if (first_order==true && sw_delete == false)
{first_order=false;
toc.location.href='Tool01.htm';
}
else toc.document.frm.basket.value='   '+round_amount(total_price);
}
}
function send_order()
{
parent.content2.location.href='Order01.htm';
}
function round_amount(amount)
{
var str = "" + Math.round(amount*100);
var len = str.length;
return (str=="0")?"0.00":(str.substring(0,len-2)+"."+str.substring(len-2,len));
}
function round_amount1(amount)
{
var string_amount = "";
var decimal_sign;
amount = parseFloat(amount);
if (!(isNaN(amount)))
{// round to nearest cent
amount = Math.round(amount * 100);
amount = amount / 100;
string_amount = new String(amount);
decimal_sign = string_amount.indexOf(".");
if (decimal_sign == -1)
{
string_amount =string_amount+".00";
}
else
{ if (decimal_sign == (string_amount.length - 2)) {
string_amount=string_amount+"0";      }
}
}
else {
string_amount = "0.00";  }
return string_amount;}