function myB(step)
{
	window.addEvent('domready', function(){
		$('brief').empty().addClass('ajax-loading');
		var request = new Request.HTML({
			method: 'get', 
			data: 'ajax=true',
			update: $('brief'),
			noCache: true,
			link: 'chain',
			url: 'require_brief.php?step='+step,
			onComplete: function(){
				$('brief').removeClass('ajax-loading');
				$$('#step_brief a').set('class','step_grey');
				switch (step) {
					case '1': $('step1').set('class','step_red'); break;
					case '2': $('step2').set('class','step_red'); break;
					case '3': $('step3').set('class','step_red'); break;
					case '4': $('step4').set('class','step_red'); break;
				}
				if (step == 'send') {
					 Cookie.write('step', '4', {duration: 30});
				} else { Cookie.write('step', step, {duration: 30}); }
			}
		}).send();
	});
}

window.addEvent('domready', function(){

	$('brief').empty().addClass('ajax-loading');
	var newstep = Cookie.read('step');
	var request = new Request.HTML({
		method: 'get', 
		data: 'ajax=true',
		update: $('brief'),
		noCache: true,
		link: 'chain',
		url: 'require_brief.php?step='+newstep,
		onComplete: function(){
			$('brief').removeClass('ajax-loading');
			$$('#step_brief a').set('class','step_grey');
			switch (newstep) {
					case '1': $('step1').set('class','step_red'); break;
					case '2': $('step2').set('class','step_red'); break;
					case '3': $('step3').set('class','step_red'); break;
					case '4': $('step4').set('class','step_red'); break;
			}
		}
	}).send();

});