function dsp(loc)
{
	if(document.getElementById) {
		var foc=loc.parentNode.nextSibling.style ?
		    loc.parentNode.nextSibling :
		    loc.parentNode.nextSibling.nextSibling;
		if (foc.style.display == 'block') {
			foc.style.display='none';
			loc.title='Click to expand';
		} else {
			foc.style.display='block';
			loc.title='Click to hide';
		}
	}
}