var isDhtml = 0;
var isLayers = 0;
var isAll = 0;
var isId = 0;

if (document.getElementById) 
{
	isId = 1; isDhtml = 1;
}
else
{
	if (document.all)
	{
		isAll = 1; isDhtml = 1;
	}
	else
	{
		browserVersion = parseInt(navigator.appVersion);
		if ((navigator.appName.indexOf('Netscape') != -1) && (browserVersion == 4))
		{
			isLayers = 1; isDhtml = 1;
		}
	}
}

function findDom(objectId, withStyle)
{
	if (withStyle == 1)
	{
		if (isId)
		{
			return (document.getElementById(objectId).style);
		}
		else
		{
			if (isAll)
			{
				return (document.all[objectId].style);
			}
			else
			{
				if (isLayers)
				{
					return (document.layers[objectId].style);
				}
			}
		}
	}
	else
	{
		if (isId)
		{
			return (document.getElementById(objectId));
		}
		else
		{
			if (isAll)
			{
				return (document.all[objectId]);
			}
			else
			{
				if (isLayers)
				{
					return (document.layers[objectId]);
				}
			}
		}
	}
}

function whoAmI(objectId)
{
	domStyle = findDom(objectId, 1);
	dom = findDom(objectId, 0);
	if (domStyle.pixelTop != null)
	{
		alert(domStyle.pixelTop);
	}
	else
	{
		alert(domStyle.top);
	}
	alert(dom.id);
}