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

if (document.getElementById) {
	isID = 1; isDHTML = 1;
} else {
	browserVersion = parseInt(navigator.appVersion);
	if ((navigator.appName.indexOf('Netscape') != -1) && (browserVersion == 4)) {
		isLayers = 1; isDHTML = 1;
	} else {
		if (document.all) {
			isAll = 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 {
				return getObjNN4(top.document,objectID);
			}
		}
	} else {
		if (isID) {
			return (document.getElementById(objectID));
		} else {
			if (isAll) {
				return (document.all[objectID]);
			} else {
				if (isLayers) {
					return getObjNN4(top.document,objectID);
				}
			}
		}
	}
}

function getObjNN4(obj,name)
{
	var x = obj.layers;
	for (var i=0;i<x.length;i++)
	{
		if (x[i].id == name)
			return x[i];
		else if (x[i].layers.length)
			var tmp = getObjNN4(x[i],name);
		if (tmp) return tmp;
	}
	return null;
}

function writeToLayer ( id, text )
{
	// first we get a reference to the layer we want
	// to modify
	x = findDOM( id, 0 );
	
	if ( !x )
		return;
		
	if (navigator.appName.indexOf('Netscape') != -1) { x.style.top = 152; x.style.left = 492; }

	if ( isLayers ) {
		// NS4 only allows you to have
		// one output stream open at a time
		// so if we are already writing to one
		// we will try this again in 250 ms.
		if ( isBusy ) {
			setTimeout ( "writeToLayer( '" + id + "', '" + text + "' )", 250 );
		} else {
			isBusy = true;
			// write does open for us
			x.document.write(text);
			x.document.close();
			isBusy = false;
		}
	} else {
		x.innerHTML = text;
	}
}