function servicetab(listitem) {
	if(listitem.className == 'active') {
		listitem.className = '';
	} else {
		listitem.className = 'active';
	}
	
	spanhtml = '';
	elems = document.getElementById('iconbar').getElementsByTagName('li');    
	for(i=0,n=elems.length;i<n;i++) {  
		if(elems[i].className == 'active') {
			spanhtml = spanhtml + '<input type="hidden" name="service[]" value="'+elems[i].getAttribute('rel')+'" />'+"\n";
		}
	}
	document.getElementById('servicecontainer').innerHTML = spanhtml;                     
	return false;
}