1 //Constructor

     2 function SearchSuggest(){

     3 }

     4 

     5 var searchArray = new Array(6);

     6 var arrayLimit = 6;

     7 var usercallback;

     8 

     9 SearchSuggest.prototype.loadYahoo = function(query){

    10     var yUrl = "http://search.yahooapis.com/WebSearchService/V1/relatedSuggestion?";

    11     var yAppId = "appid=rv9RNS3V34GEz5NvGPBClnQaRVtN1tO57Di0OxX24nfHx1iqNA_QfahxpBoJJw--";

    12     var yOutput = "&output=json";

    13     var yResults = "&results = 5";

    14     var yCallBack = "&callback=SearchSuggest.prototype.processYahoo&query=";

    15     var yahooSuggest = yUrl + yAppId + yOutput + yCallBack + query;

    16     

    17     var headID = document.getElementsByTagName("head")[0];         

    18     var newScript = document.createElement('script');

    19     newScript.type = 'text/javascript';

    20     newScript.src = yahooSuggest;

    21     headID.appendChild(newScript);

    22 }

    23 

    24 SearchSuggest.prototype.processYahoo = function(resultObject){

    25     searchArray = [];

    26     if(resultObject.ResultSet && resultObject.ResultSet.Result){

    27         var n = arrayLimit < resultObject.ResultSet.Result.length ? arrayLimit : resultObject.ResultSet.Result.length;

    28         for(var i=0; i<n; i++) {

    29             searchArray[i] = resultObject.ResultSet.Result[i];

    30         }

    31     }

    32     usercallback(searchArray);

    33 }

    34 

    35 SearchSuggest.prototype.loadGoogle = function(query){

    36     var gUrl = "http://suggestqueries.google.com/complete/search?hl=en&json=t&jsonp=";

    37     var gCallBack = "SearchSuggest.prototype.processGoogle&q=";

    38     var googleSuggest = gUrl + gCallBack + query;

    39       

    40     var headID = document.getElementsByTagName("head")[0];         

    41     var newScript = document.createElement('script');

    42     newScript.type = 'text/javascript';

    43     newScript.src = googleSuggest;

    44     headID.appendChild(newScript);

    45 }

    46 

    47 SearchSuggest.prototype.processGoogle = function(resultObject){

    48     searchArray = [];

    49     if(resultObject){

    50         var n = arrayLimit < resultObject[1].length ? arrayLimit : resultObject[1].length;

    51         searchArray[0] = resultObject[0];

    52         for(var i=1; i<n; i++) {

    53             searchArray[i] = resultObject[1][i];

    54         }

    55     }

    56     usercallback(searchArray);

    57 }

    58 

    59 SearchSuggest.prototype.searchSuggest = function(queryString, getSearchUrl){

    60     //load yahoo suggest database. this has a limit of 5k hits/day per ip address.

    61     //this.loadYahoo(queryString);

    62     //load google suggest database

    63     this.loadGoogle(queryString);

    64     usercallback = getSearchUrl;

    65 }