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 getAdvanced(adv,curr,qty,advField1) {
     newAdv='';advlist=0;applicable=true;advnewprice=0;
    for (var j=0;j<=adv.length;j++) {
            if (adv.substring(j,j+1) == '{') {
            thisadv=1;
            advstart=j+1;
        } else if (adv.substring(j,j+1) == '}') {
            advend=j;
            advPrice2=adv.substring(advstart,advend);
            advlist++; applicable=true;
            if (applicable==true) {
             if (eval(advFrom) > 0 && eval(advFrom) > eval(qty)) applicable=false;
             if (eval(advTo) > 0 && eval(advTo) < eval(qty)) applicable=false;
             if (curr==1 && applicable==true) advnewprice=advPrice;
             if (curr==2 && applicable==true) advnewprice=advPrice2;
            }
        } else if (adv.substring(j,j+1)=='~') {
            if (thisadv==1) nfield1 = adv.substring(advstart, j);
            if (thisadv== 2) advFrom=adv.substring(advstart,j);
            if (thisadv== 3) advTo=adv.substring(advstart,j);
            if (thisadv== 4) advPrice=adv.substring(advstart,j);
            if (thisadv== 5) advPrice2=adv.substring(advstart,j);
            thisadv++;advstart=j+1;
        }
    }
     return advnewprice;
}

    function goBuy() {
        ilist='';
        index=document.cookie.indexOf('TheBasket');
        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;
            } else if (fulllist.substring(i,i+1)==']') {
                itemend=i+1;
                ilist=ilist+fulllist.substring(itemstart,itemend);
            }
        }
        ilist=changeSpaces(ilist);
        top.location='https://www.secure-hosting.co.uk/rgmmotors.co.uk/payment.htm?items='+ilist;
    }

    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;
    }

 taxfield='United Kingdom';
 function showBasket() {
     currency=1;
     index=document.cookie.indexOf('TheBasket');
     countbegin=(document.cookie.indexOf('=',index)+1);
     countend=document.cookie.indexOf(';',index);
     if (countend==-1) { countend=document.cookie.length; }
     fulllist=document.cookie.substring(countbegin,countend);
     totprice=0;totprice2=0;shippingtotal=0;shippingtotal2=0;taxtotalone=0;taxtotalone2=0;taxtotaltwo=0;taxtotaltwo2=0;ordertotal=0;ordertotal2=0;
     taxablestandard=0;taxablesecond=0;taxable=0;
     document.writeln('<table border=1 cellpadding=2 cellspacing=0>');
     document.writeln('<tr align="center" bgcolor="#E2E9F1">');
     document.writeln('<th>Product Name</th>');
     document.writeln('<th>Price</th>');
     document.writeln('<th>Qty</th><th>Total Cost</th><th>Action</th>');
     document.writeln('</tr>');
     itemlist=0;
     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;itemtotal2=0;
             if (theAP!='none') {
             if (currency==1) { tempprice=getAdvanced(theAP,1,thequantity,field1); if (tempprice>0) theprice=tempprice; }
             if (currency==2) { tempprice=getAdvanced(theAP,2,thequantity,field1); if (tempprice>0) theprice2=tempprice; }
             }
             itemtotal=(eval(theprice*thequantity));
             temptotal=itemtotal*100;
             totprice=totprice+itemtotal;
             itemlist=itemlist+1;
             if (field1) { theitem=theitem+' - '+field1;}
         document.writeln('<tr bgcolor="#E2E9F1"><td>'+theitem+'</td>');
     document.writeln('<td align=right>'+presentValue(eval(theprice))+'</td>');
     document.writeln('<td align=right><input type=text name="quant'+itemlist+'" value='+thequantity+' size=1 onChange="updateBasket();"></td>');
     document.writeln('<td align=right>'+presentValue(itemtotal)+'</td>');
     document.writeln('<td align=right><input type=button name="remove'+itemlist+'" value="Remove" onClick="removeItem('+itemlist+');"></td></tr>');
             } else if (fulllist.substring(i,i+1)=='|') {
                 if (thisitem==1) theitem=fulllist.substring(itemstart,i);
                 if (thisitem== 2) theprice=fulllist.substring(itemstart,i);
                 if (thisitem== 3) thetaxable=fulllist.substring(itemstart,i);
                 if (thisitem== 4) theweight=fulllist.substring(itemstart,i);
                 if (thisitem== 5) field1=fulllist.substring(itemstart,i);
                     if (thisitem== 6) theAP=fulllist.substring(itemstart,i);
               thisitem++; itemstart=i+1;
             }
         }
     document.writeln('<tr bgcolor="#8295BC"><th align="right" colspan=4 >Total Goods (excluding any delivery charge)</th>');
     document.writeln('<th align=right>'+presentValue(totprice)+'</th>');
     document.writeln('</tr>');
     document.writeln('</table><br>');
     document.writeln('<input type=button name=clear value="Cancel Order" onClick="clearBasket();">');
     document.writeln('<input type=button name=buy value="Buy Goods" onClick="goBuy();">');
}

    function removeItem(itemno) {
        newItemList=null;
        itemlist=0;
        for(var i=0;i<=fulllist.length;i++) {
            if (fulllist.substring(i,i+1)=='[') {
                itemstart=i+1;
            } else if (fulllist.substring(i,i+1)==']') {
                itemend=i;
                theitem = fulllist.substring(itemstart,itemend);
                itemlist=itemlist+1;
                if(itemlist != itemno) {
                    newItemList = newItemList+'['+fulllist.substring(itemstart,itemend)+']';
                }
            }
        }
        index = document.cookie.indexOf('TheBasket');
        document.cookie='TheBasket='+newItemList+'; expires=Friday, 31-Dec-2010 08:00:00 GMT';
        self.location = 'cart.htm';
    }

    function clearBasket() {
        if (confirm('Are you sure you wish to cancel all your order?')) {
            index=document.cookie.indexOf('TheBasket');
            document.cookie='TheBasket=.';
            self.location='cart.htm';
        }
    }
    function changeCurrency(num) {
         index=document.cookie.indexOf('TheCurrency');
         document.cookie='TheCurrency='+num+'; expires=Friday, 31-Dec-2010 08:00:00 GMT';
         self.location='cart.htm';
    }

    function updateBasket() {
        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;itemlist++;
                thiselement=document.basketform.elements['quant'+itemlist].value;
                newItemList=newItemList+'['+partList+'|'+thiselement+']'
            } else if(fulllist.substring(i,i+1)=='|') {
                partList=fulllist.substring(itemstart,i);
            }
        }
        index=document.cookie.indexOf('TheBasket');
        document.cookie='TheBasket='+newItemList+'; expires=Friday, 31-Dec-2010 08:00:00 GMT';
        self.location='cart.htm';
    }