/**************************************/
/* 	�����ۼ� 2006.09.29	              */
/* 	����Ʈ 2006.12.07	              */
/* 	��� : scroll-top icon      	  */
/* 	DAESUNG GROUP                     */
/**************************************/



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, yOffset, timeoutNextCheck;

        if ( bNetscape4plus ) { 
                yMenuFrom   = parseInt(document.getElementById("divMenu").style.top);
                yMenuTo     = parseInt(window.pageYOffset + 200);
        }
        else if ( bExplorer4plus ) {
                yMenuFrom   = parseInt (divMenu.style.top, 10);
                yMenuTo     = document.body.scrollTop + 200;
        }

        timeoutNextCheck = 500;

        if ( yMenuFrom != yMenuTo ) {
        	    timeoutNextCheck = 10;
                yOffset = Math.ceil( Math.abs( yMenuTo - yMenuFrom ) / 20 );
                
                if ( yMenuTo < yMenuFrom )
                        yOffset = -yOffset;

                if ( bNetscape4plus ){
                	document.getElementById("divMenu").style.top = parseInt(document.getElementById("divMenu").style.top) + yOffset;
                }
                else if ( bExplorer4plus ){
                        divMenu.style.top = parseInt (divMenu.style.top, 10) + yOffset;
                }
        }
        setTimeout ("CheckUIElements()", timeoutNextCheck);
}

function OnLoad()
{
/*        var y;
        if ( top.frames.length )
        if ( bNetscape4plus ) {
                document["divMenu"].top = top.pageYOffset + 60; //�ݽ������� ó= ���� 'ġ
                document["divMenu"].visibility = "visible";
        }
        else if ( bExplorer4plus ) {
                divMenu.style.top = document.body.scrollTop + 60; //�ͽ��÷η� ó= ���� 'ġ
                divMenu.style.visibility = "visible";
        }
*/
        CheckUIElements();
        return true;
}
OnLoad();