Lastly,  those  criteria  for  which  search  values  have  already  been  entered  need  to  be 

displayed  in  the  input  fields  on  the  page.  Again,  the  references  to  the   timeto   and 

 timefrom   strings  in  the  final  foreach  statement  are  a  workaround  for  the 

abovementioned  problem  with  defining  timespans.  A  better  XML  document  design 

would/will remove the need for this. 

Fig. 7: The end result of the  smart  form query across three shops for a Compaq laptop 

costing less than  2,500. 

4.2.3.1 Note: Autonomous XML sources 

Keeping track of every shop`s inventory is beyond the Golden Page`s remit for a number 

of reasons. Firstly, there is a question of liability: if a shop`s inventory claims to have a 

certain product at a certain price when in fact the price is much higher, thereby prompting 

a user complaint, it is hardly fair to blame the middle man. Secondly, a centrally stored 

inventory  database  potentially  means  much  less  flexibility  for  business  owners  who 

might  wish  to  constantly  update  stock  figures  via  their  own  database  every  time  a 

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