var currentid;
function comment_show(tag_id,dept_id,pf_id,pix_id,message_id,timestamp){
	if(pf_id!=currentid){
		coords = Position.cumulativeOffset($('comment_tag_'+ tag_id));
		$('comment_overlay').style.left=coords[0]+'px';
		$('comment_overlay').style.top=coords[1]+'px';
		$('comment_overlay').innerHTML='<img src="/images/ps_ajax_loader.gif" align="absmiddle"> Loading...';
		Element.show('comment_overlay');
		var thisAjax = new Ajax.Updater('comment_overlay',"/comment_form.asp?dept_id=" + dept_id + "&pf_id=" + pf_id + "&pix_id=" + pix_id + "&message_id=" + message_id + "&dt=" + timestamp,{method: 'get', parameters: "&dt2=" + timestamp});	
		currentid=pf_id;
	} else {
		Element.hide('comment_overlay');
		currentid='';	
	}
}

function comment_show_adv(tag_id,item_id,item_type,message_id,target,timestamp){
	if(item_id!=currentid){
		coords = Position.cumulativeOffset($('comment_tag_'+ tag_id));
		$('comment_overlay').style.left=coords[0]+'px';
		$('comment_overlay').style.top=coords[1]+'px';
		$('comment_overlay').innerHTML='<img src="/images/ps_ajax_loader.gif" align="absmiddle"> Loading...';
		Element.show('comment_overlay');
		var thisAjax = new Ajax.Updater('comment_overlay',"/comment_form.asp?item_id=" + item_id + "&item_type=" + item_type + "&target=" + escape(target) + "&message_id=" + message_id + "&dt=" + timestamp,{method: 'get', parameters: "&dt2=" + timestamp});	
		currentid=item_id;
	} else {
		Element.hide('comment_overlay');
		currentid='';	
	}
}
function comment_hide(){
	Element.hide('comment_overlay');
	currentid='';
}