// JavaScript Document

function getElementPosition(elementId){
  var el = document.getElementById(elementId);
  var pos = new Object();
  
  pos.x = el.offsetLeft;
  pos.y = el.offsetTop;
  
  while((el = el.parentOffset)!=null){
    pos.x += el.offsetLeft;
    pos.y += el.offsetTop;
  } 
  
  alert(pos.x);
  alert(pos.y);
  return pos;
}

  function getClientSize() {
		  var myWidth = 0, myHeight = 0;
		  if( typeof( window.innerWidth ) == 'number' ) {
			//Non-IE
			myWidth = window.innerWidth;
			myHeight = window.innerHeight;
		  } else if( document.documentElement &&
			  ( document.documentElement.clientWidth || document.documentElement.clientHeight ) ) {
			//IE 6+ in 'standards compliant mode'
			myWidth = document.documentElement.clientWidth;
			myHeight = document.documentElement.clientHeight;
		  } else if( document.body && ( document.body.clientWidth || document.body.clientHeight ) ) {
			//IE 4 compatible
			myWidth = document.body.clientWidth;
			myHeight = document.body.clientHeight;
		  }
		  return [myWidth, myHeight];
	 }