function showhideBox(bid){
	if(document.getElementById('tabsBox')!=null) {
		if (bid != null){
				tabs = document.getElementById('tabsBox').getElementsByTagName('a');
				for(i=0;i<tabs.length;i++){
					tabs[i].className = "";
					b = document.getElementById("tb"+[i]);
					(b.id == ('tb'+bid)) ? (b.style.display = "block") : (b.style.display = "none");
					tabs[bid].className = "selected";
				}
		}
		else {
			tabs[0].className = "selected";
		}
	}
}