var relatedTitles = new Array();

var relatedTitlesNum = 0;

var relatedUrls = new Array();

function related_results_labels(json) {
	
	for (var i = 0; i < json.feed.entry.length; i++) {
		var entry = json.feed.entry[i];
		relatedTitles[relatedTitlesNum] = entry.title.$t;
		
		for (var k = 0; k < entry.link.length; k++) {
			if (entry.link[k].rel == 'alternate') {
				relatedUrls[relatedTitlesNum] = entry.link[k].href;
				relatedTitlesNum++;
			break;
			}
		}
	}
}

function removeRelatedDuplicates() {

	var tmp = new Array(0);
	var tmp2 = new Array(0);
	
	for(var i = 0; i < relatedUrls.length; i++) {
		if(!contains(tmp, relatedUrls[i])) {
			tmp.length += 1;
			tmp[tmp.length - 1] = relatedUrls[i];
			tmp2.length += 1;
			tmp2[tmp2.length - 1] = relatedTitles[i];
		}
	}
	
	relatedTitles = tmp2;
	relatedUrls = tmp;
	
}

function contains(a, e) {
	for(var j = 0; j < a.length; j++) if (a[j]==e) return true;
	
	return false;
}

function printRelatedLabels() {
	
	var r = Math.floor((relatedTitles.length - 1) * Math.random());
	var i = 0;
	
	document.write('<ul>');
	
	while (i < relatedTitles.length && i < 20) {
		document.write('<li><a href="' + relatedUrls[r] + '">' + relatedTitles[r] +  '</a></li>');
		
		if (r < relatedTitles.length - 1) {
			r++;
		} else {
			r = 0;
		}
		
		i++;
	}
	
	document.write('</ul>');
}