var isDHTML = 0;
var isID = 0;
var isAll = 0;
var isLayers = 0;

var browserName = '';
var browserVersion = '';

function getBrowser()
{
	browserName = navigator.appName;
	browserVersion = navigator.appVersion;
}

function getDOMType()
{
	if (document.getElementById)
	{
		isDHTML = 1;
		isID = 1;
	}
	else if (document.all)
	{
		isDHTML = 1;
		isAll = 1;
	}
	else
	{
		var browserVersion = parseInt(navigator.appVersion);
		if ((navigator.appName.indexOf('Netscape')!=-1) && (browserVersion==4))
		{
			isDHTML = 1;
			isLayers = 1;
		}
	}
}

function getDOMObject(id,bStyle)
{
	var obj;

	if (isID)
		obj = document.getElementById(id);
	else if (isAll)
		obj = document.all[id];
	else if (isLayers)
		obj = document.layers[id];
	
	if (bStyle && !isLayers)
		return obj.style;
	else
		return obj;
}