function QuickSearch(type) {

 if (type == 'search') {
  if (!CheckQuickSearchDetails() )
   {	
    document.quicksearch.submit();
    return true;
   }
  else {
    return false;
   }
 }

}

function CheckQuickSearchDetails() {

 if (!document.quicksearch.isbn.value.length && !document.quicksearch.bookname.value.length && !document.quicksearch.author.value.length)
 {
  document.quicksearch.isbn.focus()
  alert('You have not entered anything into any of the search fields.\n\n' +
  'Please enter your search criteria and click the search button again.');
  return true;
 }

 else 
 {
  return false;
 }

}