function KudzuSearchResponse( ) { }
function requestStylesheet(stylesheet_url) {
stylesheet = document.createElement("link");
stylesheet.rel = "stylesheet";
stylesheet.type = "text/css";
stylesheet.href = stylesheet_url;
stylesheet.media = "all";
document.getElementsByTagName('head')[0].appendChild(stylesheet);
}
function requestContent( url ) {
var script = document.createElement('script');
var parameters="";
if( kudzuMerchantId != null ) {
parameters += "?merchantId="+kudzuMerchantId;
}
if( kudzuNumResults != null ) {
parameters += "&minRating=" + kudzuMinRating;
}
if( kudzuNumResults != null ) {
parameters += "&numResults=" + kudzuNumResults;
}
script.src = url + parameters + '&random=' + Math.random();
document.getElementsByTagName('head')[0].appendChild(script);
}
function make_ad_field(value) {
var field = document.createElement('div');
field.appendChild(document.createTextNode(value));
return field;
}
function create_ad_html(ad) {
var ad_div = document.createElement('div');
var img_tag = document.createElement('img');
img_tag.setAttribute('src','http://images.kudzu.com/img/extScript/stars-' + ad.rating + '.gif' );
var img_div = document.createElement('div');
img_div.appendChild(img_tag);
ad_div.appendChild(img_div);
if (ad.review.length > 180) {
ad.review = ad.review.substr(0,180);
ad.review = ad.review.substr(0,ad.review.lastIndexOf(" "));
ad.review += "...";
}
var review_div = make_ad_field(ad.review);
review_div = make_ad_field(ad.review );
var title_div = make_ad_field(ad.title );
title_div.className='kudzu_reviews_title';
title_div.style.color='#'+kudzuTitleColor;
ad_div.appendChild(title_div);
ad_div.appendChild(review_div);
return ad_div;
}
function remove_all_children(par) {
while(par.hasChildNodes()) {
par.removeChild(par.firstChild);
}
}
function update_ad_div(target_div,data) {
var main_link = document.getElementById('kudzu_reviews_unit');
var ad_div = document.createElement('div');
ad_div.setAttribute( 'id', 'kudzu_reviews_target' );
for(var i=0;i<data.length;i++) {
			ad_div.appendChild(create_ad_html(data[i]));
		}
		
		var header_div = document.createElement( 'div' );
		header_div.setAttribute( 'id', 'kudzu_reviews_header' );	
		if( data[0] == undefined ) { }
		else {
			header_div.innerHTML = data[0].header;	
	
			var footer_div = document.createElement('div');  
			footer_div.innerHTML = data[0].footer;

			main_link.appendChild( header_div );			
			main_link.appendChild( ad_div );
			main_link.appendChild( footer_div ); 				
		}			
	}

	function initialize_kudzu_ads(data) {
		var target_div = document.getElementById("kudzu_reviews_unit");
			
		if (target_div) {
			update_ad_div(target_div,data);
		}
	}

	KudzuSearchResponse.prototype.render = function(){
	  var BASE_URL = 'http://api.kudzu.com/';
  	  var STYLESHEET = BASE_URL + "/css/remoteReviews.css"
  	  var CONTENT_URL = BASE_URL + '/JSONReviewsResults';
      
	  this.serverResponse = function(data) {
	     if (!data) return;
	     initialize_kudzu_ads(data); 
	  }
	
	  requestStylesheet(STYLESHEET);

	  requestContent(CONTENT_URL);
	  	  
	  var no_script = document.getElementById('no_script');
	  if (no_script) { no_script.style.display = 'none'; }
	}