var activeB;
function setActB(id){
	chSty("b"+id,"menub2");
	activeB = "b"+id;
}
function chSty(obj, new_style) { //v2.7 by PVII//rewritten by john@hitstatemedia.com
	var temp = document.getElementById(obj);
	if(activeB == obj){
		return;
	}else{
		temp.className=new_style;
	}
}