var ns4 = 0;
var op5 = 0;

function getImageWidth(myImage) {
	var x, obj;
	if (document.layers) {
		var img = getImage(myImage);
		return img.width;
	} else {
		return getElementWidth(myImage);
	}
	return -1;
}

function getImageHeight(myImage) {
	var y, obj;
	if (document.layers) {
		var img = getImage(myImage);
		return img.height;
	} else {
		return getElementHeight(myImage);
	}
	return -1;
}

function getElementHeight(Elem) {
	if (ns4) {
		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 (op5) { 
  	xPos = elem.style.pixelHeight;
  } else {
  	xPos = elem.offsetHeight;
  }
  return xPos;
	} 
}

function getElementWidth(Elem) {
	if (ns4) {
		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 (op5) {
  	xPos = elem.style.pixelWidth;
  } else {
  	xPos = elem.offsetWidth;
  }
  return xPos;
	}
}