rollover window close

:frown;

I have an image map that when the mouse rolls over it, the window (htm page)
opens fine, I need to have the window close when the user rolls out from the
image map.

Here is the code that is attached to the image map

<area shape="poly"
coords="362,178,363,178,380,171,410,170,430,170,46 7,171,494,174,496,168,455,162,
433,160,400,160,377,159,365,161,357,170,371,175" href="ccd1a.htm"
onMouseOver="MM_openBrWindow('ccd1a.htm','ccd1a',' width=300,height=300')"onMouse
Out="MM_closeBrWindow('ccd1a.htm','ccd1a','width=3 00,height=300')javascript.clos
e();">

any ideas on what i am doing wrong!