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"].;

                //yButtonTo   = top.pageYOffset + top.innerHeight - 55;

                yMenuFrom   = document["banner"].top;

                yMenuTo     = top.pageYOffset + 0;   // À§ÂÊ À§Ä¡ 91

        }

        else if ( bExplorer4plus ) {  // IE ¿ë ¼³Á¤

                //yButtonFrom = parseInt (divLinkButton.style.top, 10);

                //yButtonTo   = document.body.scrollTop + document.body.clientHeight - 55;

                yMenuFrom   = parseInt (banner.style.top, 10);

		if (yMenuFrom < 280 || document.body.scrollTop < 1000) {

                	yMenuTo     = document.body.scrollTop + 40; // À§ÂÊ À§Ä¡ 91

		}else {

			yMenuTo	= yMenuFrom;

		}

        }



        timeoutNextCheck = 100;



        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["banner"].top += yOffset;

                else if ( bExplorer4plus )

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



                timeoutNextCheck = 10;

        }



        setTimeout ("CheckUIElements()", timeoutNextCheck);

}



function Slide()

{

        var y;



        // Æä¿¡Áö ·Îµù½Ã Æ÷Áö¼Ç

        if ( bNetscape4plus ) {

                document["banner"].top = top.pageYOffset + 0;

                document["banner"].visibility = "visible";

                //document["divLinkButton"].top = top.pageYOffset + top.innerHeight - 55;

                //document["divLinkButton"].visibility = "visible";

        }

        else if ( bExplorer4plus ) {

                banner.style.top = document.body.scrollTop + 0;

                banner.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;

}



function funcSwapImage(imageName, bHilite) {

// DUMB Netscape doesn't see img names if they're inside a <div which has an id

// if they're just in <div></div> - it's okay, but that's not the case :\

// Workaround (using layers) was provided by Kostya. Tnx man :)

        if ( bExplorer4plus ) {

                document.images[imageName].src = "images/" + imageName + (bHilite == 1 ? "_hi.gif" : "_lo.gif");

        }

        else if ( bNetscape4plus ) {

                document.layers["banner"].document.images[imageName].src = "images/" + imageName + (bHilite == 1 ? "_hi.gif" : "_lo.gif");

        }

        return false;

}