var relatedPostsNum = 0;
var relatedTitles = new Array();
var relatedUrls = new Array();
var relatedDates = new Array();
function RelatedLabels(json) {
if(typeof(json.feed.entry)!="object") return;//) return;
for (var i = 0; i < json.feed.entry.length; i++) {
var entry = json.feed.entry[i];
relatedTitles[relatedPostsNum] = entry.title.$t;
relatedDates[relatedPostsNum] = entry.published.$t.substr(0,10);
for (var j = 0; j < entry.link.length; j++) {
if (entry.link[j].rel == 'alternate') {
relatedUrls[relatedPostsNum] = entry.link[j].href;
relatedPostsNum++;
break;
}
}
}
}
function RemoveDuplicatedPosts(PostUrl) {
var tmpUrls = new Array(0);
var tmpTitles = new Array(0);
var tmpDates = new Array(0);
function contains(a, e) {
for(var j = 0; j < a.length; j++)
if (a[j]==e)
return true;
return false;
}
for(var i = 0; i < relatedUrls.length; i++) {
if(!contains(tmpUrls, relatedUrls[i]) && PostUrl != relatedUrls[i]) {
tmpUrls.length += 1;
tmpUrls[tmpUrls.length - 1] = relatedUrls[i];
tmpTitles.length += 1;
tmpTitles[tmpTitles.length - 1] = relatedTitles[i];
tmpDates.length += 1;
tmpDates[tmpDates.length - 1] = relatedDates[i];
}
}
relatedTitles = tmpTitles;
relatedUrls = tmpUrls;
relatedDates = tmpDates;
}
function ShowRelatedPosts(PostUrl) {
RemoveDuplicatedPosts(PostUrl);
var r = Math.floor((relatedTitles.length - 1) * Math.random());
var i = 0;
if (relatedTitles.length > 0) {
document.write('延伸閱讀：');
while (i < relatedTitles.length && i < 5) {
document.write('- ' + relatedTitles[r] + ' - ' + relatedDates[r] + '
');
if (r < relatedTitles.length - 1)
r++;
else
r = 0;
i++;
}
document.write('
');
}
}