IE 6 a vytvoření vnořeného prvku

var doc_body = document.getElementsByTagName('body')[0];
var envelope = document.createElement('div');
var iTable = document.createElement('table');
doc_body.appendChild(envelope);
envelope.appendChild(iTable);
envelope.setAttribute("id","chkobjenvelope");
with (envelope.style) {
    .... mimo jiné nastavení okraje
}
with (iTable.style) {
    ....mimo jiné nastavení okraje
}

function myWindow(titstring) {
	var doc_body = document.getElementsByTagName('body')[0];
	var outputdiv = null;
	var iTable;
	var title = titstring;
	var cMessage = null;
	var cTitle   = null;
	var cClose   = null;

	var titleBgColor    = '#63AAE4';
	var titleColor      = 'white';
	var messageBgColor  = '#EFEFEF';
	var messageColor    = 'black';

	var mouse_X = null;
	var mouse_Y = null;
	var deltaX;
	var deltaY;

	var divleft = 200;
	var divtop = 200;

	this.showoutput = function() {
		outputdiv = getoutputdiv();
		writeLog(check_obj(outputdiv));
		cMessage.innerHTML = 'Misto pro výstup';
		doc_body.appendChild(outputdiv);
		outputdiv.style.display = 'block';
	}

	this.setTitle = function(myTitle) {
		if (myTitle) {
			cTitle.innerHTML = myTitle;
		} else {
			cTitle.innerHTML = '';
		}
	}

	this.setContent = function(myContent) {
		if (myContent) {
			cMessage.innerHTML = myContent;
		} else {
			cMessage.innerHTML = '';
		}
	}

	this.addcontent = function(myContent) {
		if (myContent) {
			cMessage.innerHTML = cMessage.innerHTML+myContent;
		}
	}

	var getoutputdiv = function() {
		//obalující div
		var envelope = document.createElement('div');
		envelope.id = 'chkobjenvelope';
		with (envelope.style) {
			position        = 'absolute';
			width           = '400px';
			height          = '250px';
			top             = divtop +'px';
			left            = divleft+'px';
			border          = '1px solid blue';
			padding         = '0px';
//			display         = 'none';
		}

		// vnitřní tabulka
		iTable = document.createElement('table');
		with (iTable.style) {
			width   = '100%';
			height  = '100%';
			border  = '1px solid red';
			margin  = '1px';
			padding = '0px';
		}
		tbo = document.createElement('tbody');

		// upper row
		var tRow = document.createElement('tr');
		// main row
		var mRow = document.createElement('tr');
			mRow.height = '100%';
		//bottob row
		var bRow = document.createElement('tr');
	// cell with title

		cTitle = document.createElement('td');
		//set-up properties
		with (cTitle.style){
			backgroundColor = titleBgColor;
		 	color 					= titleColor;
		 	fontWeight 			= 'bold';
//		 	width           = '100%';
		}
		cTitle.width = '100%';
		cTitle.onmousedown = titleActivate;
		cTitle.onmouseup   = titleDeActivate;
		cTitle.innerHTML = title;

		//cell with close "button"
		cClose = document.createElement('td');
		with (cClose.style) {
		 	backgroundColor = 'red';
		 	color           = 'white';
		 	fontWeight			= 'bold';
		 	fontSize				= '14px';
		}
		cClose.innerHTML = 'X';
		cClose.onclick = closew;
		
		// cell with message
		cMessage = document.createElement('td');
		cMessage.colSpan = '2';
		cMessage.height = '100%';
		with (cMessage.style) {
			width = '100%';
			color = messageColor;
			backgroundColor = messageBgColor;
		}

		// cell with "status"
		var cStatus = document.createElement('td');
		cStatus.colspan = '2';
		
		
		envelope.appendChild(iTable);
		iTable.appendChild(tbo);
		tbo.appendChild(tRow);
		tbo.appendChild(mRow);
		tbo.appendChild(bRow);
		
		tRow.appendChild(cTitle);
		tRow.appendChild(cClose);
		mRow.appendChild(cMessage);
		bRow.appendChild(cStatus);
		return envelope;
	}

	var movethis = function(e){
		var OffsetX;
		var OffsetY;
		var newtop;
		var newleft;
		if (client_env.browser_name == 'Explorer') {
			OffsetX = window.event.offsetX;
			OffsetY = window.event.offsetY;
			} else {
			OffsetX = e.pageX;
			OffsetY = e.pageY;
		}
		if (mouse_X == null) {
			mouse_X = OffsetX;
			mouse_Y = OffsetY;
			return;
		}
		deltaX = OffsetX - mouse_X;
		deltaY = OffsetY - mouse_Y;

		newleft = divleft + deltaX
		outputdiv.style.left = newleft + 'px';
		mouse_X = OffsetX; divleft = newleft;

		newtop = divtop + deltaY;
		outputdiv.style.top = newtop+'px';
		mouse_Y = OffsetY; divtop = newtop;
		cMessage.innerHTML = outputdiv+'<br /> pozice X = '+deltaX+' a pozice Y = '+deltaY;

	}

	var titleActivate = function() {
		cTitle.style.backgroundColor = 'white';
		cTitle.style.color = 'black';
		document.onmousemove = movethis;
	}

	var titleDeActivate = function() {
		cTitle.style.backgroundColor = titleBgColor;
		cTitle.style.color = titleColor;
		document.onmousemove = null;
		mouse_X = null;
		mouse_Y = null;
	}

	var closew = function() {
		doc_body.removeChild(outputdiv);
	}
}