Help about javascript! please

Well guys i have leaning html and CSS but now i have some problem i have the code for making a drop down menu! the problem is that i want to close my drop down menu after ten seconds after the mouse the moved away! Here:
Code
<STYLE TYPE="text/css">
#menu1 { display : none }
#menu2 { display : none }
#menu3 { display : none }
A:link {color:black; text-decoration:none}
A:hover {color:blue; text-decoration:underline}
</STYLE>
<TABLE BORDER="0">
<TD VALIGN="top" Width="200">
<SPAN onMouseOver="document.all.menu1.style.display = 'block'"
onMouseOut="document.all.menu1.style.display = 'block'">
Goodies Tutorials<BR>
</SPAN>
<SPAN ID="menu1" onClick="document.all.menu1.style.display = 'none'">
<A HREF="/tutors/frame1.html">Frames</A><BR>
<A HREF="/tutors/tbl.html">Tables</A><BR>
<A HREF="/beyond/dhtml.html">DHTML</A><BR>
<A HREF="/tutors/forms.html">Forms</A>
</SPAN>
</TD>
</TABLE>
Well yes its a code from the website i know css and i would design it later but i only want to remove the on click function and the function which closes or make the menu display none after 10 secs i have trying multiple code from the site but no luck so far! so please if anyone is availabe and give me the final code which would close it after 10 secs Would be great!

And please don't spam i had no idea if this is the right section! So please dont spam and you can help me and then post!
Thanks in Advance!


i am screwed.
i will paste the working code here: Sooner! Thank you all for helping me!