move joomla from subdomain to main domain

The below document was quite helpful in moving one of my sub-domain to the main domain in hostgator.

http://docs.joomla.org/Moving_the_site_among_directories/sub-directories

Remove "font size - Bigger, Reset, Smaller" in Joomla

How to remove "font size - Bigger, Reset, Smaller" in Joomla?

Go to the Beez_20 template's index.php and remove the following line:
Code 1:
<script type="text/javascript" src="<?php echo $this->baseurl ?>/templates/beez_20/javascript/md_stylechanger.js"></script> 

 This basically gets rid of it. To remove all traces, also remove the following:
Code 2:
var fontSizeTitle='<?php echo JText::_('TPL_BEEZ2_FONTSIZE'); ?>'; 
var bigger='<?php echo JText::_('TPL_BEEZ2_BIGGER'); ?>'; 
var reset='<?php echo JText::_('TPL_BEEZ2_RESET'); ?>'; 
var smaller='<?php echo JText::_('TPL_BEEZ2_SMALLER'); ?>'; 
var biggerTitle='<?php echo JText::_('TPL_BEEZ2_INCREASE_SIZE'); ?>'; 
var resetTitle='<?php echo JText::_('TPL_BEEZ2_REVERT_STYLES_TO_DEFAULT'); ?>'; var smallerTitle='<?php echo JText::_('TPL_BEEZ2_DECREASE_SIZE'); ?>'; 


 and 
Code 3: 
<div id="fontsize"></div> 


 To just move it somewhere else, just move the code block 3 to the desired place.

Adding Menu to a Subdomain in Joomla

It's very simple to add a sub-domain in a menu as menu item in Joomla.

From Joomla Administrator Control Panel, select the Menu where you want to add a new menu item.
Then click on Add New Menu Item.
Select the Menu Item Type as External URL found under System Links
Now, provide a Tile in Menu Title field.
Enter the Complete URL of sub-domain in the Link field as below:
eg: http://subdomain.domain.com

Now press the Save button. You are done.

How to install Joomla in HostGator using QuickInstall

Follow this video tutorial from HostGator to install Joomla in HostGator using QuickInstall. It's pretty simple and joomla gets installed in just a click.