function CheckUIElements()
{
          var yMenu1From, yMenu1To, yOffset, timeoutNextCheck;

          yMenu1From   = parseInt (SkyD1.style.top, 10);
          yMenu1To     = document.body.scrollTop; // À§ÂÊ À§Ä¡
          timeoutNextCheck = 500;

          if ( yMenu1From != yMenu1To ) {
                     yOffset = Math.ceil( Math.abs( yMenu1To - yMenu1From - 100 ) / 20 );
                     if ( yMenu1To < yMenu1From )
                                yOffset = -yOffset;

                     SkyD1.style.top = parseInt (SkyD1.style.top, 10) + yOffset;

                     timeoutNextCheck = 10;
          }

          setTimeout ("CheckUIElements()", timeoutNextCheck);
}

function MovePosition()
{
           // Æä¿¡Áö ·Îµù½Ã Æ÷Áö¼Ç

           SkyD1.style.top = document.body.scrollTop + 130;

           SkyD1.style.visibility = "visible";

           // initializing UI update timer
           CheckUIElements();

           return true;
}