<div id="long_button">
	<a id="title_about" class="titles"></a>
	<a id="title_partners" class="titles"></a>
	<a id="title_contact" class="titles"></a>
	<a id="title_projects" class="titles"></a>
	<a id="title_admin" class="titles"></a>
</div>
...
.titles,.titles_pressed {
	display: block;
	width: 150px;
	height: 70px;
	border:  0 ;
	cursor: pointer;
	float: left;
}
#title_about.titles {background: url('../images/button_titles_ua.png') no-repeat  0   0 ;}
#title_about.titles:hover {background: url('../images/button_titles_ua.png') no-repeat -150px  0 ;}
#title_about.titles_pressed {background: url('../images/button_titles_ua.png') no-repeat -300px  0 ;}
...
#title_admin.titles {background: url('../images/button_titles_ua.png') no-repeat  0  -280px;}
#title_admin.titles:hover {background: url('../images/button_titles_ua.png') no-repeat -150px -280px;}
#title_admin.titles_pressed {background: url('../images/button_titles_ua.png') no-repeat -300px -280px;}