if(pageID!="") {
	if(pageID.indexOf(".")==-1) {
	document.getElementById(pageID).className = "on";
	} else {
	nObj = pageID.split(".");
	document.getElementById(nObj[0]).className = "on";
	if(document.getElementById(nObj[0]+"_sub"))
	document.getElementById(nObj[0]+"_sub").style.display="block";
	document.getElementById(nObj[1]).className = "on";
	}
}