document.observe('dom:loaded',function() {
	$$('#data_parms h4').each(function(thing){
		var parent = thing.up('.control');
		var alwaysOpen = false;
		if (parent.hasClassName('always-open')) {
			alwaysOpen = true;	
		}
		thing.insert('<span class="toggle">&nbsp;</span>');
		if (!alwaysOpen) {
			parent.addClassName('closed');
		}
		thing.observe('click', function(){
			if (parent.hasClassName('closed')) {
				parent.removeClassName('closed');
			}
			else {
				parent.addClassName('closed');
			}
		})
	})
});