var activeCont = 'test';

function showStart () {
	$('col1_logo').setStyles({'display':'none'});
	$('col2_logo').setStyles({'display':'block'});
	$('col2_content').setStyles({'display':'none'});
	$('col3_augen').setStyles({'display':'none'});	
}

function showCont (toShowNewCont) {
	
	$('col1_logo').setStyles({'display':'block'});
	$('col2_logo').setStyles({'display':'none'});
	$('col2_content').setStyles({'display':'block'});
	$('col3_augen').setStyles({'display':'block'});

	$$('#'+activeCont).setStyles({'display':'none'});
	$$('#'+toShowNewCont).setStyles({'display':'block'});
	activeCont = toShowNewCont;
}