var bNetscape4plus = (navigator.appName == "Netscape" && navigator.appVersion.substring(0,1) >= "4");
var bExplorer4plus = (navigator.appName == "Microsoft Internet Explorer" && navigator.appVersion.substring(0,1) >= "4");

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

        if ( bNetscape4plus ) { 
                yMenu1From   = document["Menu1"].top;
                yMenu1To     = top.pageYOffset + 330; 
        }
        else if ( bExplorer4plus ) {  // IE ¿ë ¼³Á¤
                yMenu1From   = parseInt (Menu1.style.top, 10);
                yMenu1To     = document.body.scrollTop + 330
        }

        timeoutNextCheck = 500;

        if ( Math.abs (yButtonFrom - (yMenu1To + 152)) < 6 && yButtonTo < yButtonFrom ) {
                setTimeout ("CheckUIElements()", timeoutNextCheck);
                return;
        }


        if ( yButtonFrom != yButtonTo ) {
                yOffset = Math.ceil( Math.abs( yButtonTo - yButtonFrom ) / 10 );
                if ( yButtonTo < yButtonFrom )
                        yOffset = -yOffset;

                if ( bNetscape4plus )
                        document["divLinkButton"].top += yOffset;
                else if ( bExplorer4plus )
                        divLinkButton.style.top = parseInt (divLinkButton.style.top, 10) + yOffset;

                timeoutNextCheck = 10;
        }
        if ( yMenu1From != yMenu1To ) {
                yOffset = Math.ceil( Math.abs( yMenu1To - yMenu1From ) / 20 );
                if ( yMenu1To < yMenu1From )
                        yOffset = -yOffset;

                if ( bNetscape4plus )
                        document["Menu1"].top += yOffset;
                else if ( bExplorer4plus )
                        Menu1.style.top = parseInt (Menu1.style.top, 10) + yOffset;

                timeoutNextCheck = 10;
        }

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

function MovePosition()
{
        var y;
        if ( top.frames.length )
        if ( bNetscape4plus ) {
                document["Menu1"].top = top.pageYOffset + 150;
                document["Menu1"].visibility = "visible";
        }
        else if ( bExplorer4plus ) {
                Menu1.style.top = document.body.scrollTop + 150;
                Menu1.style.visibility = "visible";
        }


        CheckUIElements();
        return true;
}