var posX = 0;
  var posY = 0;
  var adWidth = 150;
  var adHeight = 100;
  var nowX = 0;
  var nowY = 1000;
  var fad_style = document.all.iRFloating.style;
  var wHeight = window.innerHeight;
  var floatID;
    
  function fadIni()
  {
      var innerWidth = document.body.clientWidth;
      var innerHeight = document.body.clientHeight;
  
      var edge = (innerWidth-760)/2;
  
      if( edge > adWidth )
      {
          posX = (innerWidth-760)/2 - adWidth - 5;	
      }
      else
      {
          posX = 0;
      }
  
      posY = 200;
      
  }
  function fadRefresh()
  {
      var offsetX = posX + document.body.scrollLeft - nowX;
      var offsetY = posY + document.body.scrollTop - nowY;
      nowX += offsetX / 5;
      nowY += offsetY / 5;
      //fad_style.left = nowX;
      fad_style.right = 0;
      fad_style.top = nowY;
  
      floatID = setTimeout("fadRefresh()", 20 );
      
    
  }
  
  function fadStart()
  {
      fadIni();
      window.onresize=fadIni;
      fadRefresh();
  }
  
  if(window.addEventListener){ // Mozilla, Netscape, Firefox
	window.addEventListener('load', fadStart, false);	
  } else { // IE
	window.attachEvent('onload', fadStart);	
  }