function tabOn (areaId, tabId) {

	tabOff(areaId);
	
	$(areaId+"-lft-"+tabId).className = "lft-on";
	$(areaId+"-rgt-"+tabId).className = "rgt-on";
	
	$(areaId+"-box-"+tabId).style.display = "block";

}

function tabOff (areaId) {

	var items = $$('li');
	
	for (var i = 0; i < items.length; i++) {
	
		info      = items[i].id.split("-");
  		
		if (info[0] == areaId && info[1] == 'lft') {
		
			$(areaId+"-lft-"+info[2]).className = "lft";
			$(areaId+"-rgt-"+info[2]).className = "rgt";
			
			$(areaId+"-box-"+info[2]).style.display = "none";
		}
		
	}	

}

function jumpToVergleich () {

	baseURI   = $("vergleich").base.value;
	compareto = $("vergleich").compareto.value;
	
	compareto = $("vergleich").compareto.value;
	while (!compareto) {
    $("vergleich").compareto.selectedIndex++
    compareto = $("vergleich").compareto.value;
	}

	document.location.href = baseURI + '/' + compareto;
	
	return true;

}

function jumpToProduct () {
	baseURI   = $("produkte").base.value;
	prods     = $("produkte").prods.value;

	document.location.href = baseURI + '/' + prods;

	return true;
}