var aDOM = 0; 
/* var ieDOM = 0; */ 
var 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];
}
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.right = 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;
}
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();
}