Help with fontsize and color switcher

Hello guys i used Phase Blue theme i make fontsize and color switcher myself but don't work any ideas that is the code.

echo "<div style='float: right; margin: 8px;'><form id='theme_color' class='flright' method='post' action='/forum/viewthread.php?thread_id=8&amp;pid=8'>n";
echo "<div>n";
echo "<input type='hidden' name='change_color' value='1'/>n";
echo "<input type='image' name='blue' src='../themes/Phase Blue/color/blue.png' class='switcherbutton' alt='blue' />n";
echo "<input type='image' name='black' src='../themes/Phase Blue/color/black.png' class='switcherbutton' alt='black' />n";
echo "<input type='image' name='green' src='../themes/Phase Blue/color/green.png' class='switcherbutton' alt='green' />n";
echo "<input type='image' name='white' src='../themes/Phase Blue/color/white.png' class='switcherbutton' alt='white' /></div>n";
echo "</form>n";
echo "</div>n";

echo "<div style='float: right; margin: 8px;'><form id='theme_fontsize' class='flright' method='post' action='/forum/viewthread.php?thread_id=8&amp;pid=8'> n";
echo "<div>n";
echo "<input type='hidden' name='change_fontsize' value='1'/>n";
echo "<input type='image' name='less' src='../themes/Phase Blue/fontsize/less.gif' class='switcherbutton' alt='less' />n";
echo "<input type='image' name='reset' src='../themes/Phase Blue/fontsize/reset.gif' class='switcherbutton' alt='reset' />n";
echo "<input type='image' name='more' src='../themes/Phase Blue/fontsize/more.gif' class='switcherbutton' alt='more' /></div>n";
echo "</form>n";
echo "</div>n";
echo "<div id='user-buttons' style='float:left;'>";