function toggleComments (postid) { 
	var whichpost = document.getElementById(postid); 
	if (whichpost.className=="commentshown") { 
	  whichpost.className="commenthidden"; 
	} 
	else { 
	  whichpost.className="commentshown"; 
	} 
} 

function toggleBtn (btn) { 
	if (btn.className=="open") { 
	  btn.className="closed"; 
	 btn.setAttribute("title","show comments");
	} 
	else { 
	  btn.className="open";
	 btn.setAttribute("title","hide comments"); 
	} 
}

function getElementsByStyleClass (className) {
	var all = document.getElementsByTagName('div');
	var elements = new Array();
	for (var e = 0; e < all.length; e++)
		if (all[e].className == className)
		elements[elements.length] = all[e];
	return elements;
}


window.onload = function(){
	var coms = getElementsByStyleClass('comments');
	for (var i=0;i<coms.length;i++){
		var tag = coms[i].getElementsByTagName('div');
		for (var a=0;a<tag.length;a++){
			tag[a].className="commenthidden";
		}
	}
	var btns = document.getElementsByTagName('a');
	for (var i=0;i<btns.length;i++){
		if (btns[i].className == "closed")
			btns[i].setAttribute("title","show comments");
	}
}