<!--
function flipBlock(id, isrc){
	h=document.getElementById(id);
	h.value=h.value==1?0:1;
	i=document.getElementById(id+'_img');
	i.src=isrc+(h.value==1?'up':'down')+'.gif';
	_v=h.value==1?'none':'block';
	v=h.value==1?'block':'none';
	document.getElementById('show_'+id).style.display=v;
	document.getElementById('hide_'+id).style.display=_v;
}
//-->