function switchTopProducts(tab) {
    var divts = document.getElementById('topprodukteBox');
    var divre = document.getElementById('topsellerBox');
    if (tab == 1) {
      divts.style.display = 'block';
      divre.style.display = 'none';
	if(document.getElementById('topreiter1'))
		document.getElementById('topreiter1').className = 'tab1';
	if(document.getElementById('topreiter2'))
		document.getElementById('topreiter2').className = 'tab2';
	if(document.getElementById('topreiter3'))
		document.getElementById('topreiter3').className = 'tab_1_0';
	if(document.getElementById('topreiter4'))
		document.getElementById('topreiter4').className = 'tab3_0';
    } else {
      divts.style.display = 'none';
      divre.style.display = 'block';
	if(document.getElementById('topreiter1'))
		document.getElementById('topreiter1').className = 'tab1_0';
	if(document.getElementById('topreiter2'))
		document.getElementById('topreiter2').className = 'tab2_0';
	if(document.getElementById('topreiter3'))
		document.getElementById('topreiter3').className = 'tab_0_1';
	if(document.getElementById('topreiter4'))
		document.getElementById('topreiter4').className = 'tab3';
    }
  }