function getDt(objectId) {
	if (document.all && !document.getElementById) {
		return document.all(objectId)
	} else {
		return document.getElementById(objectId)
	}
}
function lit(objectId) {
        if(getDt(objectId).className == "")
        	getDt(objectId).className = "active";
        else
        	getDt(objectId).className = "";
}
function dim(objectId) {
        if(getDt(objectId).className == "")
        	getDt(objectId).className = "";
        else
        	getDt(objectId).className = "";
}