<style>

#dhtmlgoodies_contentBox {

    border:1px solid #317082;

    height:0px;

    visibility:hidden;

    position:absolute;

    background-color:#FFFFCC;

    overflow:hidden;

    padding:10px;

    width:250px;

}

#dhtmlgoodies_content {

    position:relative;

    font-family: tahoma;

    width:100%;

    font-size:9pt;

}

</style>

<script type="text/javascript">

var initHeight = 0;

var slidedown_direction = 1;

var slidedownContentBox = false;

var slidedownContent = false;

var slidedownActive = false;

var contentHeight = false;

var slidedownSpeed = 3;// Higher value = faster script

var slidedownTimer = 7; // Lower value = faster script

function slidedown_showHide() {

    if(initHeight==0) slidedown_direction=slidedownSpeed; else slidedown_direction = slidedownSpeed*-1;

    if(!slidedownContentBox) {

        slidedownContentBox = document.getElementById('dhtmlgoodies_contentBox');

        slidedownContent = document.getElementById('dhtmlgoodies_content');

        contentHeight = document.getElementById('dhtmlgoodies_content').offsetHeight;

    }

    slidedownContentBox.style.visibility='visible';

    slidedownActive = true;

    slidedown_showHide_start();

}

function slidedown_showHide_start() {

    if(!slidedownActive)return;

        initHeight = initHeight/1 + slidedown_direction;

    if(initHeight <= 0) {

        slidedownActive = false; 

        slidedownContentBox.style.visibility='hidden';

        initHeight = 0;

    }

    if(initHeight>contentHeight) {

        slidedownActive = false; 

    }

    slidedownContentBox.style.height = initHeight + 'px';

    slidedownContent.style.top = initHeight - contentHeight + 'px';

    setTimeout('slidedown_showHide_start()',slidedownTimer); // Choose a lower value than 10 to make the script move faster

}

function setslidedownWidth(newWidth) {

    document.getElementById('dhtmlgoodies_slidedown').style.width = newWidth + 'px';

    document.getElementById('dhtmlgoodies_contentBox').style.width = newWidth + 'px';

}

function setSlideDownSpeed(newSpeed) {

    slidedownSpeed = newSpeed;

}

</script>

<div id="dhtmlgoodies_control">

    <a href="#" onclick="slidedown_showHide();return false;">여기를 클릭하세요..</a>

</div>

<div id="dhtmlgoodies_contentBox">

    <div id="dhtmlgoodies_content">

        여기에 내용을 삽입하세요..<br/>

        감사합니다.<br/>

        <a href="http://www.blueb.co.kr" target=_>https://www.hooni.net</a>

    </div>

</div>

<script type="text/javascript">

    setSlideDownSpeed(4);

</script>