JavaScript Site Search

// Number of matches found on this page
aHits = new Array();
// The keywords for each page
aKeyWord = new Array();
// The URL of each page
aURL = new Array();
// Page array sorted by number of hits
aSorted = new Array();
// Description of each page
aTitle = new Array();

aURL[87]='foxsearch.htm';
aTitle[87]='Search page for Alvechurch Data web site';
aKeyWord[87]='alvechurch, data, search, find, javascript';
aHits[87]=0;

// Get the search target in lower case
lcTarget = document.searchForm.searchFor.value.toLowerCase()

// Zero the hit counter and empty the array
// of hits
lnFound = 0
for (thisPage=1; thisPage < aKeyWord.length; thisPage++)
  {
  aHits[thisPage] = 0
  }
// Break the target into an array of individual
// words then scan through the keyword array once
// for each of these words looking for a match.
laWords=lcTarget.split(" ")
for (lnWord = 0; lnWord < laWords.length; lnWord++)
  {
  for (thisPage=1; thisPage < aKeyWord.length;
       thisPage++)
   {
   if(laWords[lnWord] == "")
    {
    // Do nothing - this is a rogue thrown up by
    // the split operation.
    }
   else
    {
    if (aKeyWord[thisPage].indexOf(laWords[lnWord]) > -1)
     {
     aHits[thisPage]++;
     if(aHits[thisPage]==1)
      {
      // First word found on the page so record
      // that the search has a hit.
      lnFound++;
      }
     }
    }
   }
  }
  // Write the results or an apology in the
  // centre of this page.
  if (lnFound==0)
   {
   writeResult(loPlaceHolder,
     "No pages include '" + lcTarget + "'");
   }
  else
   {
   // We've found some pages
   writeResult(loPlaceHolder, lnFound +
    " pages found.");
   showResults(loPlaceHolder, lnFound, lcTarget)
   lnFound=0;
   }
  }
return false