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 yMenuFrom, yMenuTo, yButtonFrom, yButtonTo, yOffset, timeoutNextCheck;

    if ( bNetscape4plus ) { 	// ³×Ã÷ÄÉÀÌÇÁ ¿ë ¼³Á¤
        //yButtonFrom = document["divLinkButton"].top;
        //yButtonTo   = top.pageYOffset + top.innerHeight - 55;
        yMenuFrom   = document["divMenu"].top;
        yMenuTo     = top.pageYOffset + 41;   		// À§¿Í ¶³¾îÁø Á¤ÀǸ¦ Á¶ÀýÇÕ´Ï´Ù.
    }
    else if ( bExplorer4plus ) {  // IE ¿ë ¼³Á¤
        //yButtonFrom = parseInt (divLinkButton.style.top, 10);
        //yButtonTo   = document.body.scrollTop + document.body.clientHeight - 55;
        yMenuFrom   = parseInt (divMenu.style.top, 10);
        yMenuTo     = document.body.scrollTop + 41; // À§¿Í ¶³¾îÁø Á¤ÀǸ¦ Á¶ÀýÇÕ´Ï´Ù.
    }

    timeoutNextCheck = 500;

    if ( Math.abs (yButtonFrom - (yMenuTo + 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 ( yMenuFrom != yMenuTo ) {
        yOffset = Math.ceil( Math.abs( yMenuTo - yMenuFrom ) / 20 );
        if ( yMenuTo < yMenuFrom )
                yOffset = -yOffset;

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

        timeoutNextCheck = 10;
    }

    setTimeout ("CheckUIElements()", timeoutNextCheck);

}

function OnLoad()
{
    var y;

    // ÇÁ·¹ÀÓ ¿¡¼­ ¹þ¾î³ª°Ô ÇÏ´Â ÇÔ¼öÀÔ´Ï´Ù. ÇÁ·¹ÀÓ¿¡ ³ÖÀ¸·Á¸é »èÁ¦Çϼ¼¿ä
    if ( top.frames.length )
    //       top.location.href = self.location.href;

    // ÆäÀÌÁö ·Îµù½Ã Æ÷Áö¼Ç
    if ( bNetscape4plus ) {
        document["divMenu"].top = top.pageYOffset + 41;
        document["divMenu"].visibility = "visible";
        //document["divLinkButton"].top = top.pageYOffset + top.innerHeight - 55;
        //document["divLinkButton"].visibility = "visible";
    }
    else if ( bExplorer4plus ) {
        divMenu.style.top = document.body.scrollTop + 41;
        divMenu.style.visibility = "visible";
        //divLinkButton.style.top = document.body.scrollTop + document.body.clientHeight - 55;
        //divLinkButton.style.visibility = "visible";
    }

    // initializing UI update timer
    CheckUIElements();
    //if ( bExplorer4plus )
    //        setTimeout ( "FlashTitleStepIt(255)", 10 );
    return true;
}