goodstotal=0;
itemlist=0;
itemcount=0;

function clearBasket() {
         index=document.cookie.indexOf('Order');
         document.cookie='Order=.';
         }
		 
function goBack() {
	if (document.referrer) {
		window.location.href = document.referrer;
	} else {
		window.location.href = '../index.htm';
	}
		 }


if (document.cookie) {

    index=document.cookie.indexOf('Order');
    countbegin=(document.cookie.indexOf('=',index)+1);
    countend=document.cookie.indexOf(';',index);
    if (countend==-1) {
        countend=document.cookie.length;
        }
    fulllist=document.cookie.substring(countbegin,countend);

    for (var i=0; i<=fulllist.length;i++) {
         if (fulllist.substring(i,i+1)=='[') {
             itemstart=i+1;
             thisitem=1;
             } else if (fulllist.substring(i,i+1)==']') {
                        itemend=i;
                        thequantity=fulllist.substring(itemstart,itemend);
                        itemtotal=0;
                        tempcount=thequantity;
                        itemtotal=(eval(theprice*thequantity));
                        itemcount=itemcount+(eval(tempcount));
                        temptotal=itemtotal*100;
                        goodstotal=goodstotal+itemtotal;
                        itemlist=itemlist+1;

             } else if (fulllist.substring(i,i+1)=='|') {
                        if (thisitem== 1) theitem=fulllist.substring(itemstart,i);
                        if (thisitem== 2) thedesc=fulllist.substring(itemstart,i);
                        if (thisitem== 3) theprice=fulllist.substring(itemstart,i);
                        if (thisitem== 4) theweight=fulllist.substring(itemstart,i);
                        thisitem++; itemstart=i+1;
             }
         }

    } else {
      document.cookie = 'Order=; path=/';
    }

function presentValue(value) {

         if (value<=0.9999) {
             newPounds='0';
            } else {
              newPounds=parseInt(value);
            }

         dec='1';
         for (var i=1; i<=2;i++) {
              dec=dec+'0';
              }
         if (value>0) {
             newPence=Math.round((value+.000008 - newPounds)*(eval(dec)));
             } else {
               newPence=0;
             }
         compstring='9';
         for (var i=1; i <=2-1;i++) {
              if (eval(newPence) <= eval(compstring)) {
                  newPence='0'+newPence;
                  }
              compstring=compstring+'9';
              }
         if (2>0) {
             newString='£' + newPounds + '.' + newPence + '';
             } else {
               newString='£' + newPounds + '';
             }
         return (newString);
         }


function showCount() {
         document.writeln(itemcount);
         }

function showTotal() {
         document.writeln(presentValue(goodstotal));
         }
		 
function showBasketSummary() {
	document.writeln('<input name="basketSummary" class="entry" type="text" value="' + itemcount + ' items ( ' + presentValue(goodstotal) + ' )" />');
	}

function changeSpaces(tstring) {
        nstring='';
        for (var i=0; i <= tstring.length; i++) {
            if (tstring.charAt(i)==' ') {
                nstring=nstring+'^';
                    } else {
                nstring=nstring+tstring.charAt(i);
                    }
                }
                return nstring;
            }
	


function addItem(newCode,newDesc,newPrice,newWeight,newQuantity,basketPath) {
         if (newQuantity<=0) {
             rc = alert('The quantity entered is incorrect');
             } else {
				 
                 index=document.cookie.indexOf('Order');
                 countbegin=(document.cookie.indexOf('=',index)+1);
                 countend=document.cookie.indexOf(';',index);
                 if (countend==-1) {
                     countend=document.cookie.length;
                     }
                 fulllist = document.cookie.substring(countbegin,countend);
                 amended = false;
                 newItemList=''; itemlist=0;
                 for (var i=0;i<=fulllist.length;i++) {
                     if (fulllist.substring(i,i+1) == '[') {
                         thisitem=1;
                         itemstart=i+1;
                         fullstart=i+1;
                     } else if (fulllist.substring(i,i+1) == ']') {
                         itemend=i;
                         thequantity=fulllist.substring(itemstart,itemend);
                         itemlist++;
                         if (theCode==newCode ) {
                             amended=true;
                             tempquantity=eval(thequantity)+eval(newQuantity);
                             newItemList=newItemList+'['+theCode+'|'+theDesc+'|'+thePrice+'|'+theWeight+'|'+tempquantity+']';
                         } else {
                             newItemList=newItemList+'['+theCode+'|'+theDesc+'|'+thePrice+'|'+theWeight+'|'+thequantity+']';
                         }
                     } else if (fulllist.substring(i,i+1)=='|') {
                         if (thisitem==1) theCode=fulllist.substring(itemstart,i);
                         if (thisitem==2) theDesc=fulllist.substring(itemstart,i);
                         if (thisitem== 3) thePrice=fulllist.substring(itemstart,i);
                         if (thisitem== 4) theWeight=fulllist.substring(itemstart,i);
                         thisitem++;itemstart=i+1;
                     }
                 }
                 if (amended==false) {
                     newItemList=newItemList+'['+newCode+'|'+newDesc+'|'+newPrice+'|'+newWeight+'|'+newQuantity+']';
                     }
                 index = document.cookie.indexOf('Order');
                 document.cookie='Order='+newItemList+'; path=/';

                 }
				 self.location = basketPath;
                }
				
				
function addOption(newCodeDesc,newPrice,newWeight,newQuantity,basketPath) {
         if (newQuantity<=0) {
             rc = alert('The quantity entered is incorrect');
             } else {
				 
                 index=document.cookie.indexOf('Order');
                 countbegin=(document.cookie.indexOf('=',index)+1);
                 countend=document.cookie.indexOf(';',index);
                 if (countend==-1) {
                     countend=document.cookie.length;
                     }
                 fulllist = document.cookie.substring(countbegin,countend);
                 amended = false;
                 newItemList=''; itemlist=0;
				 
				 codeEnd=newCodeDesc.indexOf('=');
				 
				 newCode=newCodeDesc.substring('=',codeEnd);
				 newDesc=newCodeDesc.substring((codeEnd+1),newCodeDesc.length);		 
				 
				 
                 for (var i=0;i<=fulllist.length;i++) {
                     if (fulllist.substring(i,i+1) == '[') {
                         thisitem=1;
                         itemstart=i+1;
                         fullstart=i+1;
                     } else if (fulllist.substring(i,i+1) == ']') {
                         itemend=i;
                         thequantity=fulllist.substring(itemstart,itemend);
                         itemlist++;
                         if (theCode==newCode ) {
                             amended=true;
                             tempquantity=eval(thequantity)+eval(newQuantity);
                             newItemList=newItemList+'['+theCode+'|'+theDesc+'|'+thePrice+'|'+theWeight+'|'+tempquantity+']';
                         } else {
                             newItemList=newItemList+'['+theCode+'|'+theDesc+'|'+thePrice+'|'+theWeight+'|'+thequantity+']';
                         }
                     } else if (fulllist.substring(i,i+1)=='|') {
                         if (thisitem==1) theCode=fulllist.substring(itemstart,i);
                         if (thisitem==2) theDesc=fulllist.substring(itemstart,i);
                         if (thisitem== 3) thePrice=fulllist.substring(itemstart,i);
                         if (thisitem== 4) theWeight=fulllist.substring(itemstart,i);
                         thisitem++;itemstart=i+1;
                     }
                 }
                 if (amended==false) {
                     newItemList=newItemList+'['+newCode+'|'+newDesc+'|'+newPrice+'|'+newWeight+'|'+newQuantity+']';
                     }
                 index = document.cookie.indexOf('Order');
                 document.cookie='Order='+newItemList+'; path=/';

                 }
				 self.location = basketPath;
                }