var myWidth=0, myHeight=0;
    
    function getSize() {
  		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;
  		}
	}

function getScrollXY() {
  var scrOfX = 0, scrOfY = 0;
  if( typeof( window.pageYOffset ) == 'number' ) {
    //Netscape compliant
    scrOfY = window.pageYOffset;
    scrOfX = window.pageXOffset;
  } else if( document.body && ( document.body.scrollLeft || document.body.scrollTop ) ) {
    //DOM compliant
    scrOfY = document.body.scrollTop;
    scrOfX = document.body.scrollLeft;
  } else if( document.documentElement && ( document.documentElement.scrollLeft || document.documentElement.scrollTop ) ) {
    //IE6 standards compliant mode
    scrOfY = document.documentElement.scrollTop;
    scrOfX = document.documentElement.scrollLeft;
  }
  return [ scrOfX, scrOfY ];
}

function findPosX(obj)
  {
    var curleft = 0;
    if(obj.offsetParent)
        while(1) 
        {
 //         alert(obj.tagName+":"+obj.offsetLeft);
          curleft += obj.offsetLeft;
          if(!obj.offsetParent)
            break;
          obj = obj.offsetParent;
        }
    else if(obj.x)
        curleft += obj.x;
    return curleft;
  }

  function findPosY(obj)
  {
    var curtop = 0;
    if(obj.offsetParent)
        while(1)
        {
          curtop += obj.offsetTop;
          if(!obj.offsetParent)
            break;
          obj = obj.offsetParent;
        }
    else if(obj.y)
        curtop += obj.y;
    return curtop;
  }