// 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; /* 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.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;
}