// JavaScript Document
function getObjNN4(obj,name)
{
    var x = obj.layers;
    var foundLayer;
    for (var i=0;i<x.length;i++)
    {
        if (x[i].id == name)
 	        foundLayer = x[i];
        else if (x[i].layers.length)
	        var tmp = getObjNN4(x[i],name);
        if (tmp) foundLayer = tmp;
    }
    return foundLayer;
}
function getStyleObject(objectId){
    if(document.getElementById && document.getElementById(objectId)) {
        return document.getElementById(objectId).style;
    } else if (document.all && document.all(objectId)) {
        return document.all(objectId).style;
    } else if (document.layers && document.layers[objectId]) {
    	return getObjNN4(document,objectId);
    } else {
        return false;
    }
}
function ChangeVisibility(objToBeChanged, newVisibility, newDisplay) {
    var styleObject = getStyleObject(objToBeChanged, document);
    if(styleObject) {
        styleObject.visibility = newVisibility;
        styleObject.display = newDisplay;
    } else {
        return false
    }
}