// ----------------------------------------------------------------------------
// Lauyan Software Javascript Search Engine 1.1
//
// This file is the JavaScript search engine for a website created by TOWeb
//
// Copyright (C) LAUYAN SOFTWARE
// web: http://www.lauyan.com
// ----------------------------------------------------------------------------

STR_SEARCH_QUERY_MSG = "Search results for";
STR_NO_RESULT = "No results found";
STR_SCORE = "Score";
STR_TERMS = "Terms";
STR_SEARCH_SIZE = "20";
MIN_WORD_LEN = 2;
DISPLAY_SRCH_INFO = 1;
USE_UTF8 = 0;
REMOVE_ACCENTS = 1;
BOLD_LINKS = 0;
ONLINE_WEBSITE = 1;
ALLWORDSONLY = 0;
namesArray = new Array("  ",
" program and educational system  ",
" primary school with english language taught all levels  ",
" official french educational program  ",
"  ",
" french immersion program for non french-speaking students their transition year  ",
" chantemerle way life  ",
" boarding school switzerland offering french curriculum warm and safe environment  ",
" parascolar activities chantemerle  ",
" chantemerle the swiss private school near geneva's lake  ",
" chantemerle' school 1807 blonay switzerland  ");
urlsArray = new Array("../en/index.html",
"../french-school-in-switzerland/private-school-in-switzerland-accredited-by-the-french-national-ministry-of-education.html",
"../primary-section/teaching-french-and-english-at-primary-elementary-and-secondary-school.html",
"../secondary-section/secondary-school-also-suitable-for-non-french-speaking-students.html",
"../summer-camp/summer-camp-intensive-french-courses-support-in-mathematic-and-english.html",
"../french-immersion-program/learn-french-in-a-full-immersion-programme.html",
"../life-in-chantemerle/swiss-boarding-school-high-standard-education-warm-safe-environment.html",
"../boarding/french-curriculum-in-a-warm-and-safe-environment.html",
"../activities/after-school-activities-in-french-speaking-environment.html",
"../information/contact-to-chantemerle-school.html",
"../geographic-point/geographic-adress-chantemerle-school.html");
titlesArray = new Array("International private school in Switzerland, official French program",
"French school following the official primary and secondary school programs",
"Primary school with english language taught at all levels",
"Secondary school also suitable for non French-speaking students",
"Summer camp, Intensive French courses, Support courses in Mathematics and English",
"French immersion program for non French-speaking students in their transition year. DELF examination",
"Education of the highest standard in a warm and safe environment",
"International school in Switzerland offering the French program in a warm environment",
"Official French curriculum and activities in a safe and warm environment",
"Informations - Chantemerle, Blonay",
"geographic point of Chantemerle's school");
descArray = new Array("Private school in Blonay in Switzerland, that follows the official French academic program. A French school with an international character welcoming ...",
"The Chantemerle international school follows the official French academic program. The program covers 10 levels. In the final year, students sit the '...",
"From primary to elementary school, students at Chantemerle international school follow the curriculum in French with a significant English input. Prio...",
"Secondary school represents the final stage of compulsory schooling. Students in their final year sit the « Diplôme National du Brevet ». The programm...",
"Summer camp at Chantemerle. Intensive French courses for beginners in French. Support courses in Mathematics and English at all levels",
"French immersion program for non French-speaking students in their transition year. DELF examination",
"Chantemerle is based in Blonay, overlooking lake Geneva. The school offers a harmonious balance between the warmth and security of an extended family ...",
"The French school of Chantemerle welcomes boarding and day school students",
"French boarding school in Switzerland proposes broad choice of cultural and sport activities",
"Chantemerle - the Swiss private school near Geneva's lake, Switzerland",
"");
sublinksArray = new Array(11);
var linksCount = 11;


function SubmitSearch(n)
{
	var p = document.getElementsByName("jse_query");
	var idx = n;  if( p < 0) return false;
	if( p && p[idx] && p[idx].value != "" ) {
	if( (p[idx].value).replace(/^\s+|\s+$/g, '') != "" ) {
		p = document.getElementsByName("jse_form");
		if( p && p[idx] )
			p[idx].submit();
		return true;
	  }
	}
	return false;
}
function switchSearchLang(lang,emptycart)
{
	var params = "";
	var currURL = document.location.href;
	var newURL = (currURL.lastIndexOf('_frame/search2') >= 0) ? "search2":"search";
	if( lang != "" )
		newURL += "-"+lang;
	newURL += ".html";
	var paramIndex = currURL.lastIndexOf('?');
	if( paramIndex > -1 )
		newURL += "?" + currURL.substr( paramIndex + 1 );
	if( emptycart && typeof(CleanShopcart) != "undefined" )
		CleanShopcart();
	document.location.href = newURL;
	return false;
}

// getParam returns the value of the specified GET parameter
function getParam(paramName)
{
    paramStr = document.location.search;
    if( paramStr == "" )
        return "";
    if( paramStr.charAt(0) == "?" )
        paramStr = paramStr.substr(1);
    arg = (paramStr.split("&"));
    for( i=0; i<arg.length; i++ ) 
    {
      arg_values = arg[i].split("=")
      if( unescape(arg_values[0]) == paramName ) 
      {
         if( USE_UTF8 == 1 && self.decodeURIComponent ) // check if decodeURIComponent() is defined
            ret = decodeURIComponent(arg_values[1]);
         else
            ret = unescape(arg_values[1]);  // IE 5.0 and older does not have decodeURI
         return ret;
      }
    }
    return "";
}

function getQueryParam()
{
  var query = getParam("jse_query");
  query = query.replace(/[\++]/g, " ");  // replace any '+' with spaces
  query = query.replace(/\</g, "&lt;");
  query = query.replace(/[\"+]/g, " ");
	return query;
}

function replaceAll(str,from,to) 
{
    var idx = str.indexOf(from);
    while( idx > -1 ) {
        str = str.replace(from, to); 
        idx = str.indexOf(from);
    }
    return str;
}

// lowercase, remove quotes and accents
function formatChars(str) 
{
    str = str.toLowerCase();
    if( REMOVE_ACCENTS ) 
    {
      var a = "àáâãäåòóôõöèéêëçìíîïùúûüÿñ";
      var b = "aaaaaaoooooeeeeciiiiuuuuyn";
      for( i=0; i<a.length; i++ )
        str = replaceAll( str, a.charAt(i), b.charAt(i) );
    }
    str = replaceAll( str, "'", " " );
    return str;
}

function SortCompare(a, b)
{
  if( a[2] == b[2] )
  {  
    if (a[1] < b[1]) return 1;
    else if (a[1] > b[1]) return -1;
    else return 0;
  }
  else if (a[2] < b[2]) return 1;
    else return -1;
}

function jseSearch( internal )
{
  // get params
  var rootURL = '';
	var SelfURL = document.location.href;
  var paramIndex = SelfURL.indexOf("?");    
  if (paramIndex > -1)
     SelfURL = SelfURL.substr(0, paramIndex);
  paramIndex = SelfURL.indexOf("#");
  if (paramIndex > -1)
    SelfURL = SelfURL.substr(0, paramIndex);        
	if (ONLINE_WEBSITE) 
	{
		paramIndex = SelfURL.lastIndexOf('/');
		if (paramIndex > -1) 
		{
			rootURL = SelfURL.substr(0, paramIndex);
			paramIndex = rootURL.lastIndexOf('/');
			if (paramIndex > -1) {
				rootURL = SelfURL.substr(0, paramIndex+1);
			} else
			  rootURL = '';
		}
	}	
  SelfURL = SelfURL.replace(/\</g, "&lt;");
  SelfURL = SelfURL.replace(/\"/g, "&quot;");

  var query = getQueryParam();

  // display the search form
  var lnktarget = "";
/*	if( internal == null || internal != 1 )
	{
    document.writeln("<form method=\"get\" action=\"" + SelfURL + "\">");
    document.writeln("<input type=\"text\" name=\"jse_query\" size=\"" + STR_SEARCH_SIZE + "\" value=\"" + query + "\" />");
    document.writeln("<input type=\"submit\" value=\"" + STR_SEARCH_BUTTON + "\" />");
    document.writeln("</form>");
  }
  */
  if( internal == 1 ) {
	 lnktarget = "\" target=\"_blank";
  }
	
  query = formatChars(query);
  if( query.length == 0 ) return;
  
  var found=0, t=0, k=0, score=0, subscore=0, i=0;
  var keyword = "", tmp = "";
  var searchWords = new Array();

  // split search query by spaces
  searchWords = query.split(" ");
	if( internal == null || internal != 1 ) {
		document.writeln( "<span class='wg-paragraph'>" + STR_SEARCH_QUERY_MSG + " : <strong>" +query+"</span></strong><br>");
  }
  // init result table information
  res_table = new Array(linksCount);
  for( t=0; t<linksCount; t++ )
  {
    res_table[t] = new Array(4);
    res_table[t][0] = 0;  // index
    res_table[t][1] = 0;  // score
    res_table[t][2] = 0;  // words found
    res_table[t][3] = ""; // sublinks (output string)
  }
  var significantwords = 0;

  // begin search ...
  for( i=0; i<searchWords.length; i++ )
  {
    keyword = searchWords[i];
    if( keyword.length > MIN_WORD_LEN ) // skip "small" words
	{
	  significantwords++;
	  for(var q=0; q<linksCount; q++ )
	  {
	    t = q;
	    score = 0;
	
	    // search for keywords (an exact word doubles the score)
		  tmp = formatChars(descArray[t]);
	    if( tmp.indexOf(keyword) != -1 ) score++;
	    if( tmp.indexOf(' '+keyword+' ') != -1 ) score+=2;
		  tmp = formatChars(titlesArray[t]);
	  	if( tmp.indexOf(keyword) != -1 ) score++;
		  if( tmp.indexOf(' '+keyword+' ') != -1 ) score+=2;
	    if( namesArray[t].indexOf(keyword) != -1 ) score++;
	    if( namesArray[t].indexOf(' '+keyword+' ') != -1 ) score+=2;
	
		// search for keywords in sublinks (i.e. bookmarks)
	    k = q+1;
		while( k <= linksCount )
		{
			tmp = descArray[k];
			if( tmp == null || tmp.charAt(0) != '&' ) break;
			subscore = 0;
			tmp = formatChars(descArray[k]);
			if( tmp.indexOf(keyword) != -1 ) subscore++;
			if( tmp.indexOf(' '+keyword+' ') != -1 ) subscore+=2;
			tmp = formatChars(titlesArray[k]);
			if( tmp.indexOf(keyword) != -1 ) subscore++;
			if( tmp.indexOf(' '+keyword+' ') != -1 ) subscore+=2;
			if( namesArray[k].indexOf(keyword) != -1 ) subscore++;
			if( namesArray[k].indexOf(' '+keyword+' ') != -1 ) subscore+=2;
			
			if( subscore > 0 )
			{
				var idx = urlsArray[t].indexOf('@');
				if( idx > 0 ) 
				{
					var lnk = urlsArray[k].substr(0, idx)
					if( res_table[t][3].indexOf( lnk ) == -1 )
						res_table[t][3] += "<tr><td width='35'>&nbsp;</td><td><a href=\"" + urlsArray[k].substr(idx+1) + "\" name=\"" + lnk + "\">" + titlesArray[k] + "</a></td></tr>";
				} else if( res_table[t][3].indexOf( "\"" + urlsArray[k] + "\"" ) == -1 )
					res_table[t][3] += "<tr><td width='35'>&nbsp;</td><td><a href=\"" + urlsArray[k] + lnktarget + "\">" + titlesArray[k] + "</a></td></tr>";
//	           		if( B OLD_LINKS )  res_table[t][3] += "<tr><td width='50'>&nbsp</td><td><b><a href='" + urlsArray[k] +"'>" + titlesArray[k] + "</a></b></td></tr>";
				score += subscore;
			}	
			k++;
		}
		q = k-1;
				
	    if( score > 0 )
	    {
	      res_table[t][0] = t;
	      res_table[t][1] += score;
	      res_table[t][2]++;
	      found++;
	    }
	  }
	}
  }
  if( found == 0 ) {
    document.write("<p class='wg-paragraph'><b>" + STR_NO_RESULT + "</b></p>");
  } 
  else 
  {
/*	if( ALLWORDSONLY )
	{
		//  if all words only then we recount and filter amoung the results to get the total of found items
		found = 0;
		for( var z=0; z<itemsCount; z++ )
			if( res_table[z][1] > 0 ) // display only results with a positive score
			if( !ALLWORDSONLY || (ALLWORDSONLY && res_table[z][2] == significantwords) )
				found++;
	}
  */
	// sort by words found and scores
    res_table.sort(SortCompare);	
    // display the results
	document.writeln( '<div class="wg-paragraph">' );
    for( q=0; q<found; q++ )
      if( res_table[q][1] > 0 ) // display only results with a positive score
	  if( !ALLWORDSONLY || (ALLWORDSONLY && res_table[q][2] == significantwords) )
	  {
		t = res_table[q][0];    // get page index

		var lnk = urlsArray[t] + lnktarget;
		var idx = urlsArray[t].indexOf('@');
		if( idx > 0 ) 
			lnk = urlsArray[t].substr(idx+1);
			
		if( BOLD_LINKS ) {
		  document.writeln("<br><b>" + (q+1) + ". <a href=\"" + lnk + "\">" + titlesArray[t] + "</a></b>" );
		} else
		  document.writeln("<br><b>" + (q+1) + ".</b> <a href=\"" + lnk + "\">" + titlesArray[t] + "</a>" );
        if( descArray[t].length > 2 )
          document.writeln("<br>" + descArray[t] );
        if( DISPLAY_SRCH_INFO ) 
		{
			document.write("<br><span style='font-size: 80%; font-style: italic;'>");
			if( !ALLWORDSONLY )
			  document.write("" + STR_TERMS + ": " + res_table[q][2] + " - " );
			document.write("" + STR_SCORE + ": " + res_table[q][1] );
			if( urlsArray[t].indexOf('@') > 0 ) {
			  document.writeln(" - URL: 'TOWeb demonstration'</span>");
			} else if(ONLINE_WEBSITE) {
			  document.writeln(" - URL: " + rootURL + urlsArray[t].substr(3) + "</span>");
			} else
			  document.writeln(" - URL: " + urlsArray[t] + "</span>");
      	}
		if( res_table[q][3].length > 0 ) { 
      	  document.writeln( '<table class="wg-paragraph">' + res_table[q][3] + '</table>' );
      	} else document.writeln("<br>");
      }
 	document.writeln( '</div>' );
  }
  document.writeln("<br>");
}
