Header Text Scrolling Effect

[Kaleem_Ullah_Hashmi]

I have develop a marquee text animation in header

http://evahelp.com/

function joe_scroll_text() { ?>
 <div class="text-flash">
<marquee behavior="scroll" direction="right" scrollamount="15" onmouseover="this.stop();" onmouseout="this.start();" >
<?php if (!function_exists('dynamic_sidebar') || !dynamic_sidebar('ScrollText') ) { ?>
 
<?php } ?>
</marquee>
</div>
<?php }
register_sidebar(array('name'=>'ScrollText', 'before_title'=>'', 'after_title'=>''));

Know what i want that text will stop for few second and the disappear. Like in this website example text appear stop for few second and then gone.
http://evahelp.com/

How can i achieve that.
Does any body have any idea.