function sw_show_hide_change_txt( p_content_id, p_link_id, p_new_text ) {
	content_obj = document.getElementById( p_content_id );
	link_obj = document.getElementById( p_link_id );
	var opened;
	try	{
		opened = (content_obj.currentStyle.display != '') && (content_obj.currentStyle.display != 'none');
	}
	catch ( e ) {
		opened = (content_obj.style.display != '') && (content_obj.style.display != 'none');
	}
	if ( opened ) {
		/* elrejtjuk */
		link_obj.innerHTML = link_obj.sw_old_text;
		content_obj.style.display = 'none';
		content_obj.style.visibility = 'hidden';
	} else {
		/* megmutatjuk */
		link_obj.sw_old_text = link_obj.innerHTML;
		link_obj.innerHTML = p_new_text;
		content_obj.style.display = 'block';
		content_obj.style.visibility = 'visible';
	}
}
function sw_show_hide( p_content_id, p_link_id ) {
	var content_obj = document.getElementById( p_content_id );
	var link_obj;
	if ( p_link_id ) {
		link_obj = document.getElementById( p_link_id );
	}
	var opened;
	try	{
		opened = content_obj.currentStyle.display != 'block';
	}
	catch ( e ) {
		opened = content_obj.style.display != 'block';
	}
	if ( opened ) {
		/* megmutatjuk */
		content_obj.style.display = 'block';
		content_obj.style.visibility = 'visible';
		if ( link_obj ) {
			link_obj.style.display = 'none';
			link_obj.style.visibility = 'hidden';
		}
	} else {
		/* elrejtjuk */
		content_obj.style.display = 'none';
		content_obj.style.visibility = 'hidden';

		if ( link_obj ) {
			link_obj.style.display = 'inline';
			link_obj.style.visibility = 'visible';
		}
	}
}