function toggle(divID) {

	var item = document.getElementById(divID);
  	if (item) {
    	item.className=(item.className=='sectionHide')?'sectionShow':'sectionHide';
  		}

	return false;
	}


function flip(div_to_hide, div_to_show) {

	var part_to_hide= document.getElementById(div_to_hide);
	var part_to_show= document.getElementById(div_to_show);

  	if (part_to_hide && part_to_show) {
  		part_to_hide.className='sectionHide';
  		part_to_show.className='sectionShow';
  		}
  		
	return false;
	}