마우스오버 드롭다운 메뉴 (알릭님 수정본)
이것저것 설정이 가능했던 쿠키를 굽는 마우스오버 드롭다운 메뉴입니다.

document.getElementById('submenu_'+subCounter).style.backgroundPosition =  leftPos - 7
이 부분을 수정해주셨다. 그런데 이게 뭐에 관련된 부분이더라..(_-_?)

<HTML>
<HEAD>
<TITLE> 자바스크립트 </TITLE>
<style type="text/css">
/***********************************************************************************************
   
Copyright (c) 2005 - Alf Magne Kalleland post@dhtmlgoodies.com

Get this and other scripts at www.dhtmlgoodies.com

You can use this script freely as long as this copyright message is kept intact.
   
***********************************************************************************************/

.submenu{
width: 254px;
height:37px;
display: block;
    background:url(http://xynex.eond.com/misc/html/images/default/bg_submenu.png) no-repeat;
}
</style>
<script type="text/javascript">
/***********************************************************************************************
   
Copyright (c) 2005 - Alf Magne Kalleland post@dhtmlgoodies.com

Get this and other scripts at www.dhtmlgoodies.com
   
You can use this script freely as long as this copyright message is kept intact.
   
***********************************************************************************************/
var menuAlignment = 'left';    // Align menu to the left or right?       
var topMenuSpacer = 0; // Horizontal space(pixels) between the main menu items   
var activateSubOnClick = false;
var leftAlignSubItems = false;     // left align sub items t

var activeMenuItem = false;    // Don't change this option. It should initially be false
var activeTabIndex = 0;    // Index of initial active tab    (0 = first tab) - If the value below is set to true, it will override this one.
var rememberActiveTabByCookie = true;    // Set it to true if you want to be able to save active tab as cookie
   
var MSIE = navigator.userAgent.indexOf('MSIE')>=0?true:false;
var Opera = navigator.userAgent.indexOf('Opera')>=0?true:false;
var navigatorVersion = navigator.appVersion.replace(/.*?MSIE ([0-9]\.[0-9]).*/g,'$1')/1;
       
/*
These cookie functions are downloaded from
http://www.mach5.com/support/analyzer/manual/html/General/CookiesJavaScript.htm
*/   
function Get_Cookie(name) {
   var start = document.cookie.indexOf(name+"=");
   var len = start+name.length+1;
   if ((!start) && (name != document.cookie.substring(0,name.length))) return null;
   if (start == -1) return null;
   var end = document.cookie.indexOf(";",len);
   if (end == -1) end = document.cookie.length;
   return unescape(document.cookie.substring(len,end));
}
// This function has been slightly modified
function Set_Cookie(name,value,expires,path,domain,secure) {
    expires = expires * 60*60*24*1000;
    var today = new Date();
    var expires_date = new Date( today.getTime() + (expires) );
    var cookieString = name + "=" +escape(value) +
       ( (expires) ? ";expires=" + expires_date.toGMTString() : "") +
       ( (path) ? ";path=" + path : "") +
       ( (domain) ? ";domain=" + domain : "") +
       ( (secure) ? ";secure" : "");
    document.cookie = cookieString;
}   
   
function showHide()
{
    if(activeMenuItem){
        activeMenuItem.className = 'inactiveMenuItem';    
        var theId = activeMenuItem.id.replace(/[^0-9]/g,'');
        document.getElementById('submenu_'+theId).style.display='none';
        var img = activeMenuItem.getElementsByTagName('IMG');
        if(img.length>0)img[0].style.display='none';           
    }
        var img = this.getElementsByTagName('IMG');
        if(img.length>0)img[0].style.display='inline';
               
        activeMenuItem = this;       
        this.className = 'activeMenuItem';
        var theId = this.id.replace(/[^0-9]/g,'');
        document.getElementById('submenu_'+theId).style.display='block';
               
        if(rememberActiveTabByCookie){
            Set_Cookie('dhtmlgoodies_tab_menu_tabIndex','index: ' + (theId-1),100);
        }
    }
   
function initMenu()
{
    var mainMenuObj = document.getElementById('mainMenu');
    var menuItems = mainMenuObj.getElementsByTagName('A');
    if(document.all){
        mainMenuObj.style.visibility = 'hidden';
        document.getElementById('submenu').style.visibility='hidden';
    }       
    if(rememberActiveTabByCookie){
        var cookieValue = Get_Cookie('dhtmlgoodies_tab_menu_tabIndex') + '';
        cookieValue = cookieValue.replace(/[^0-9]/g,'');
        if(cookieValue.length>0 && cookieValue<menuItems.length){
            activeTabIndex = cookieValue/1;
        }           
    }
       
    var currentLeftPos = 15;
    for(var no=0;no<menuItems.length;no++){           
    if(activateSubOnClick)menuItems[no].onclick = showHide; else menuItems[no].onmouseover = showHide;
        menuItems[no].id = 'mainMenuItem' + (no+1);
        if(menuAlignment=='left')
        menuItems[no].style.left = currentLeftPos + 'px';
        else
        menuItems[no].style.right = currentLeftPos + 'px';
        currentLeftPos = currentLeftPos + menuItems[no].offsetWidth + topMenuSpacer;
       
        var img = menuItems[no].getElementsByTagName('IMG');
        if(img.length>0){
            img[0].style.display='none';
            if(MSIE && !Opera && navigatorVersion<7){
                img[0].style.bottom = '-1px';
                img[0].style.right = '-1px';
            }
        }
                       
        if(no==activeTabIndex){
            menuItems[no].className='activeMenuItem';
            activeMenuItem = menuItems[no];
            var img = activeMenuItem.getElementsByTagName('IMG');
            if(img.length>0)img[0].style.display='inline';   
                       
        }else menuItems[no].className='inactiveMenuItem';
        if(!document.all)menuItems[no].style.bottom = '-1px';
        if(MSIE && navigatorVersion < 6)menuItems[no].style.bottom = '-2px';
       
    }       
   
    var mainMenuLinks = mainMenuObj.getElementsByTagName('A');
   
    var subCounter = 1;
    var parentWidth = mainMenuObj.offsetWidth;
    while(document.getElementById('submenu_' + subCounter)){
        var subItem = document.getElementById('submenu_' + subCounter);
       
        if(leftAlignSubItems){
            // No action
        }else{                           
        var leftPos = mainMenuLinks[subCounter-1].offsetLeft;
        document.getElementById('submenu_'+subCounter).style.paddingLeft =  leftPos + 'px';
        document.getElementById('submenu_'+subCounter).style.backgroundPosition =  leftPos - 7 + 'px ' + '0';
            subItem.style.position ='absolute';
            if(subItem.offsetWidth > parentWidth){
            leftPos = leftPos - Math.max(0,subItem.offsetWidth-parentWidth);    
            }
            subItem.style.paddingLeft =  leftPos + 'px';
            subItem.style.position ='static';
               
           
        }
        if(subCounter==(activeTabIndex+1)){
            subItem.style.display='block';
        }else{
            subItem.style.display='none';
        }
       
        subCounter++;
    }
    if(document.all){
        mainMenuObj.style.visibility = 'visible';
        document.getElementById('submenu').style.visibility='visible';
    }       
    document.getElementById('submenu').style.display='block';
}
window.onload = initMenu;   
</script>
</HEAD>
<BODY>
<!-- This is the start of the menu -->
<div id="mainMenu">
 <a>Products</a>
 <a>Support</a>
 <a>About us</a>
 <a>Download</a>
</div>
<div id="submenu">1
<!-- The first sub menu -->
<span id="submenu_1" class="submenu">2
 <a href="#">Product</a>3
 <a href="#">Product </a>4
 <a href="#">Product</a>5
</span>
<!-- Second sub menu -->
<span id="submenu_2" class="submenu">
 Phone
 Email
 Knowledge base
</span>
<!-- Third sub menu -->
<div id="submenu_3" class="submenu">
 <a href="#">History</a>
 <a href="#">The team</a>
 <a href="#">Contact us</a>
 <a href="#">Visions</a>
</div>
<!-- Fourth sub menu -->
<div id="submenu_4">
 <a href="#">Patches</a>
 <a href="#">Whitepapers</a>
 <a href="#">Tab menu</a>
 <a href="#">Color picker</a>
 <a href="#">Window scripts</a>
 <a href="#">Games</a>
</div>
</div>
</BODY>
</HTML>