var divs_folded = [];
function foldContent(divid)
{
	el=document.getElementById(divid)
	if ( divs_folded[divid] )
	{
		divs_folded[divid] = false;
		el.style.height='1px';
		el.style.overflow='hidden';
	}
	else
	{
		divs_folded[divid] = true;
		el.style.height='';
		el.style.overflow='visible';
		el.style.padding_top='.5em';
	}
}
function initBC()
{
	for ( div in document.getElementsByTagName('div') )
	{
		elid=''+div.id;
		if ( elid.indexOf('fold_')==0 )
		{
			foldContent(elid);
		}
	}
}