// JavaScript Document
// Browser Window Size and Position
// copyright Stephen Chapman, 3rd Jan 2005, 8th Dec 2005
// you may copy these functions but please keep the copyright notice as well
function pageWidth() {
	return window.innerWidth != null? window.innerWidth : document.documentElement && document.documentElement.clientWidth ?       document.documentElement.clientWidth : document.body != null ? document.body.clientWidth : null;
} 
function pageHeight() {
	return  window.innerHeight != null? window.innerHeight : document.documentElement && document.documentElement.clientHeight ?  document.documentElement.clientHeight : document.body != null? document.body.clientHeight : null;
} 
function posLeft() {
	return typeof window.pageXOffset != 'undefined' ? window.pageXOffset :document.documentElement && document.documentElement.scrollLeft ? document.documentElement.scrollLeft : document.body.scrollLeft ? document.body.scrollLeft : 0;
} 
function posTop() {
	return typeof window.pageYOffset != 'undefined' ?  window.pageYOffset : document.documentElement && document.documentElement.scrollTop ? document.documentElement.scrollTop : document.body.scrollTop ? document.body.scrollTop : 0;
} 
function posRight() {
	return posLeft()+pageWidth();
} 
function posBottom() {
	return posTop()+pageHeight();
}
           


// Cross Browser DOM
// copyright Stephen Chapman, 4th Jan 2005
// you may copy this code but please keep the copyright notice as well
var aDOM = 0, ieDOM = 0, nsDOM = 0; 
var stdDOM = document.getElementById;
if (stdDOM) aDOM = 1; else {ieDOM = document.all; if (ieDOM) aDOM = 1; else {
var nsDOM = ((navigator.appName.indexOf('Netscape') != -1)
&& (parseInt(navigator.appVersion) ==4)); if (nsDOM) aDOM = 1;}}
function xDOM(objectId, wS) {
if (stdDOM) return wS ? document.getElementById(objectId).style:
document.getElementById(objectId);
if (ieDOM) return wS ? document.all[objectId].style: document.all[objectId];
if (nsDOM) return document.layers[objectId];
}                  

					
// More Object Functions
// copyright Stephen Chapman, 18th Jan 2005
// you may copy these functions but please keep the copyright notice as well
function setObjVis(objectID,vis) {
	var objs = xDOM(objectID,1); 
	objs.visibility = vis;
} 
function toggleObjVis(objectID) {
	var objs = xDOM(objectID,1); 
	var vis = objs.visibility;  
	objs.visibility = (vis == "visible" || vis == "show") ? 'hidden' : 'visible';
} 
function moveObjTo(objectID,x,y) {
	var objs = xDOM(objectID,1); 
	objs.left = x; 
	objs.top = y;
}
function moveObjBy(objectID,x,y) {
	var obj = xDOM(objectID,0);
	var objs = xDOM(objectID,1); 
	if (obj.offsetLeft != null) {
		var l = obj.offsetLeft; 
		var t = obj.offsetTop; 
		objs.left = l+x; 
		objs.top = t+y;
	} else if (objs.pixelLeft != null) {
		objs.pixelLeft += x; 
		objs.pixelTop += y;
	} else obj.moveBy(x,y);
}
function moveObjLayer(objectID,z) {
	var objs = xDOM(objectID,1); 
	objs.zIndex = z;
}