var debug=false;
function toggle_popup(id,width,height){
	var popup=document.getElementById('popup');
	var pbody=document.getElementById('popup_body');
	if(id){
		popup.style.width=(width+50)+'px';
		if(debug)pbody.style.height=height+'px';
		popup.style.marginLeft=Math.round(-(width+50)/2)+'px';
		popup.style.marginTop=Math.round(-(height+50)/2)+'px';
		pbody.innerHTML=document.getElementById(id).innerHTML;
		popup.style.visibility='visible';
	}else{
		popup.style.visibility='hidden';
		popup.style.marginLeft='0px';
		popup.style.marginTop='0px';
		popup.style.width='0px';
		if(debug)pbody.style.height='0px';
		pbody.innerHTML='';
	}
}