TUTORIAL: VERTICAL MENU TAB

1) Dashboard >> Design >> Add a Gadget >> HTML/JavaScripts

2) Copy the code below here and paste it in the content:

<style type="text/css">
/*Credits: Dynamic Drive CSS Library */
/*URL: http://www.dynamicdrive.com/style/ */
.sidebarmenu ul{
width:250;
text align:center;
list-style-type: none;
font: normal 13px Century gothic;
}
.sidebarmenu ul li{
position: relative;
}
/* Top level menu links style */
.sidebarmenu ul li a{
display: block;
overflow: auto; /*force hasLayout in IE7 */
color: white;
text-align:center;
text-decoration: none;
padding: 0px;
}
.sidebarmenu ul li a:link, .sidebarmenu ul li a:visited, .sidebarmenu ul li a:active{
background-color: #FFB5E8; /*background of tabs (default state)*/}
.sidebarmenu ul li a:visited{
color: white;}
.sidebarmenu ul li a:hover{
background-color: #000000;}
/* Holly Hack for IE \*/
* html .sidebarmenu ul li { float: left; height: 1%; }
* html .sidebarmenu ul li a { height: 1%; }
/* End */
</style>
<script type="text/javascript">
//Nested Side Bar Menu (Mar 20th, 09)
//By Dynamic Drive: http://www.dynamicdrive.com/style/
var menuids=["sidebarmenu1"] //Enter id(s) of each Side Bar Menu's main UL, separated by commas
function initsidebarmenu(){
for (var i=0; i<menuids.length; i++){
  var ultags=document.getElementById(menuids[i]).getElementsByTagName("ul")
    for (var t=0; t<ultags.length; t++){
    ultags[t].parentNode.getElementsByTagName("a")[0].className+=" subfolderstyle"
  if (ultags[t].parentNode.parentNode.id==menuids[i]) //if this is a first level submenu
   ultags[t].style.left=ultags[t].parentNode.offsetWidth+"px" //dynamically position first level submenus to be width of main menu item
  else //else if this is a sub level submenu (ul)
    ultags[t].style.left=ultags[t-1].getElementsByTagName("a")[0].offsetWidth+"px" //position menu to the right of menu item that activated it
    ultags[t].parentNode.onmouseover=function(){
    this.getElementsByTagName("ul")[0].style.display="block"
    }
    ultags[t].parentNode.onmouseout=function(){
    this.getElementsByTagName("ul")[0].style.display="none"
    }
    }
  for (var t=ultags.length-1; t>-1; t--){ //loop through all sub menus again, and use "display:none" to hide menus (to prevent possible page scrollbars
  ultags[t].style.visibility="visible"
  ultags[t].style.display="none"
  }
  }
}
if (window.addEventListener)
window.addEventListener("load", initsidebarmenu, false)
else if (window.attachEvent)
window.attachEvent("onload", initsidebarmenu)
</script>
<div class="sidebarmenu">
<ul id="sidebarmenu1">
<li><a href="LINK">HOME</a></li>
<li><a href="LINK">OWNER</a></li>
<li><a href="LINK">TUTORIAL</a></li>
<li><a href="LINK">SHOUTBOX</a></li>
</ul>
</div></center></center>

Notes:-
Pink : the width of the tab
Red : the tab background color
Blue : color of the background tab when you move your cursor on it
Green : the link for your tab title
Orange : for the tab title

3) Save & Done