MTV.Typeahead = new function(){
var default_options ={
minChars: 1,
scrollHeight: 300,
jsonpCallback: 'mtvSearchJSONP',
matchSubset: false,
selectFirst: false,
formatItem: function(item){
return item;
},
parse: function(data){
var parsed = [];
$j.each(data, function(i){
var row = $j.trim(this);
parsed[i] ={ data: row, value: row, result: row }
});
return parsed;
}
};
this.init = function(){
MTV.Typeahead.autocomplete('form[name="search"] input[type="text"]');
MTV.Typeahead.autocomplete('form[name="searchF"] input[type="text"]');
MTV.Typeahead.autocomplete('form[name="search404"] input[type="text"]');
}
this.autocomplete = function(selector, options, callback){
var typehead_options ={};
$j.extend(typehead_options, default_options, options ||{});
callback = callback || function(){
var input = $j(this);

/* this blows- too tied to the "search" structure */
//input.closest('form').find('button.mtv').click();

var e = jQuery.Event("keypress");
e.keyCode = 13;
input.trigger(e);
};
$j(selector).each(function(){
var input = $j(this);
// we subtract the padding of the autocomplete container class here
// this is defined by .ac_results selector
if (!typehead_options['width']){
typehead_options['width'] = parseInt(input.outerWidth()) - 8;
}
var url = "http://search.mtvnservices.com/typeahead/suggest/?siteName=mtv&format=json";

if($j(this).parent().hasClass('searchNutch')) url += "&testgroup=B";

input.autocomplete(url, typehead_options).result(callback);
});
}
}