function getElementHeight(Elem) {
	if (Browser.isNS) {
		var elem = getObjNN4(document, Elem);
		return elem.clip.height;
	} else {
		if (document.getElementById) var elem = document.getElementById(Elem);
		else if (document.all) var elem = document.all[Elem];
		if (Browser.isOp) xPos = elem.style.pixelHeight;
		else xPos = elem.offsetHeight;
		return xPos;
	} 
}
function getElementWidth(Elem) {
	if (Browser.isNS) {
		var elem = getObjNN4(document, Elem);
		return elem.clip.width;
	} else {
		if (document.getElementById) var elem = document.getElementById(Elem);
		else if (document.all) var elem = document.all[Elem];
		if (Browser.isOp) xPos = elem.style.pixelWidth;
		else xPos = elem.offsetWidth;
		return xPos;
	}
}
function getElementLeft(Elem) {
	if (Browser.isNS) {
		var elem = getObjNN4(document, Elem);
		return elem.pageX;
	} else {
		var elem;
		if(document.getElementById) var elem = document.getElementById(Elem);
		else if (document.all) var elem = document.all[Elem];
		xPos = elem.offsetLeft;
		tempEl = elem.offsetParent;
  		while (tempEl != null) {
  			xPos += tempEl.offsetLeft;
	  		tempEl = tempEl.offsetParent;
  		}
		return xPos;
	}
}
function getElementTop(Elem) {
	if (Browser.isNS) {
		var elem = getObjNN4(document, Elem);
		return elem.pageY;
	} else {
		if(document.getElementById) var elem = document.getElementById(Elem);
		else if (document.all) var elem = document.all[Elem];
		yPos = elem.offsetTop;
		tempEl = elem.offsetParent;
		while (tempEl != null) {
  			yPos += tempEl.offsetTop;
	  		tempEl = tempEl.offsetParent;
  		}
		return yPos;
	}
}