function scrollIframe() {
    var x,y;
    if (self.pageYOffset) // all except Explorer
    {
	    x = self.pageXOffset;
	    y = self.pageYOffset;
    }
    else if (document.documentElement && document.documentElement.scrollTop)
	    // Explorer 6 Strict
    {
	    x = document.documentElement.scrollLeft;
	    y = document.documentElement.scrollTop;
    }
    else if (document.body) // all other Explorers
    {
	    x = document.body.scrollLeft;
	    y = document.body.scrollTop;
    }
    if(document.getElementById('detailfarben')) {
      document.getElementById('detailfarben').style.top = y;
    }
    if(document.getElementById('detailfarbena')) {
      document.getElementById('detailfarbena').style.top = y;
    }
    if(document.getElementById('detailfarbeni')) {
      document.getElementById('detailfarbeni').style.top = y;
    }
  }