var g_maxCommentPageNo = 0;
var g_actualCommentPageNo = 0;

function showCommentPage(pageNo) {
	// if max. page no. = 1 --> only one page is load
	if (g_maxCommentPageNo > 1) {
		var commentPageHeaderLinkContainer = $('div[name=commentPageSwitch]').find('span[name^=commentPageSwitchLink]');
		
		commentPageHeaderLinkContainer.find('b').remove();
		commentPageHeaderLinkContainer.find('a').show();
			
		$('div[name=commentPageSwitch] span[name=commentPageSwitchLink'+pageNo+']')
			.append('<b>'+pageNo+'</b>')
			.find('a').hide();	
	}
		
	// Show chosen comment page - hide others (include dummy page with no. 0 and hint)
	$('div[id^=tabCommentPage]').hide();
	$('div#tabCommentPage'+pageNo).show();
	
	g_actualCommentPageNo = pageNo;
}

function initCommentPage(maxCommentPageNo) {
	g_maxCommentPageNo = maxCommentPageNo;
	showCommentPage(1);
}

function showCommentPagePrev() {
	if (g_actualCommentPageNo > 1) {
		showCommentPage(g_actualCommentPageNo-1);
	}
}

function showCommentPageNext() {
	if (g_actualCommentPageNo < g_maxCommentPageNo) {
		showCommentPage(g_actualCommentPageNo+1);
	}
}