function fireSwitch(theclass,theid) {
	var items = document.getElementsByClassName(theclass);
	for(i=0; i < items.length; i++) {
		var item = items[i];
		var ele = $(theid);
		if (item != ele){
		$(item).style.display='none';
		}
	}
	$(theid).style.display='block';
}