var cmtHtml = ""; //holds the comments block
var review_text_id = 0; //holds the news_text_id
var obj;
var pig = new Image();
var pig_o = new Image();
pig.src = "img/pig.png";
pig_o.src = "img/pig_o.png";

//Response handler for http request object
function showComments(retVal)
{
	cmtHtml = retVal;
	document.getElementById("reader_comments").innerHTML = cmtHtml;
}

//Hide the comments
function hideComments()
{
	if(document.getElementById("reader_comments").innerHTML != '')
	{
		cmtHtml1 = document.getElementById("reader_comments").innerHTML;
		document.getElementById("reader_comments").innerHTML = '';
		document.getElementById("cmtPostBlk2").innerHTML = '';
		document.getElementById("show_hide").innerHTML = '<a href="javascript:hideComments()" class="lngrn">' + show_comment + '</a>';
	}
	else
	{
		document.getElementById("reader_comments").innerHTML = cmtHtml1;
		document.getElementById("show_hide").innerHTML = '<a href="javascript:hideComments()" class="lngrn">' + hide_comment + '</a>';
		document.getElementById("cmtPostBlk2").innerHTML = '<p align="center" class="grn1b"><img src="/img/comment.png" width="14" height="14" align="top" alt="Comment" /> <a href="#bm_post_cmt_blk" class="lngrn1b" onclick="document.getElementById(\'post_cmt_blk\').style.display=\'block\'">Post Question/Ask Question</a></p>';
	}
}
function changeImage(id, opt)
{
	for(var i = 1; i <= id; i++)
		document.getElementById("pig_" + i).src = (opt == 0)? pig.src : pig_o.src;
}
//Post the News rating
function postRating(rank)
{
	var ajax = new AJAX();
	var arrParam = new Array();
	arrParam['rank'] = rank;
	arrParam['type'] = 'review';
	arrParam['text_id'] = review_text_id;

	ajax.getRequest('post_rank.php', arrParam, showResponse);
}
//Response handler for http request object
function showResponse(retVal)
{
	//alert(retVal);
	document.getElementById('rank').innerHTML = retVal;
}