function get_stylesheet_rules ( index ) {
	if (!document.styleSheets) return null;
	if (!document.styleSheets[index]) return null;
	if (document.styleSheets[index].cssRules) return document.styleSheets[index].cssRules;
	if (document.styleSheets[index].rules) return document.styleSheets[index].rules;
	return null;
	}
function set_js_styles () {
	var a_rules = get_stylesheet_rules( 1 );
	if (!a_rules) return;
	a_rules[0].style.visibility = 'visible';//.needs_javascript_visible { visibility:visible }
	a_rules[1].style.display = 'block';//.needs_javascript_block { display:block }
	a_rules[2].style.display = 'inline';//.needs_javascript_inline { display:inline }
	a_rules[3].style.display = 'none';
	a_rules[4].style.display = 'none';
	a_rules[5].style.visibility = 'hidden';
	}
set_js_styles();