function activate_plattentipp(id) {
	
	for(var x=1;x<6;x++) {
		if (x != id) {
			document.getElementById('plattentipp_' + x).className = 'plattentipp_cover';
			document.getElementById('plattentipp_' + x + '_img').style.display = 'block';
			document.getElementById('plattentipp_' + x + '_img_hover').style.display = 'none';
			document.getElementById('plattentipp_' + x + '_info').style.display = 'none';
		} else {
			document.getElementById('plattentipp_' + id).className = 'plattentipp_cover_hovered';
			document.getElementById('plattentipp_' + id + '_img').style.display = 'none';
			document.getElementById('plattentipp_' + id + '_img_hover').style.display = 'block';
			document.getElementById('plattentipp_' + id + '_info').style.display = 'block';
		}
	}
	
}