how to do that with DOM

<div name=”parent1″>
<div id=”child1″><a href=””>a</a>
<div id=”child1″></div>
<div id=”child2″></div>
<div id=”child3″></div>
</div>
<div id=”child2″><a href=””></div>
<div id=”child3″><a href=””></div>
</div>

<div name=”parent2″>
<div id=”child7″></div>
<div id=”child8″></div>
<div id=”child9″></div>
</div>

if I do:
document.getElementsByTagName(‘DIV’);
i’ll get 11 DIV elements, but I wanna get just only 6 DIVs from ‘parent1’

sth like:
var c = document.getElementsByName(‘parent1’);
and next sth like: document.getElementsByName(‘div’) from c

Hope, you know what I wanna get ?
Can anybody help me?

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