Chain simple functions together - Help

I need to do the following:
For all <p> elements that contain X in class name
Find first <div> element after him
Find first <a> element
Set onclick function for that <a> element to toggle(<div>) element found above


So in the following HTML code

<p class='foo_1'>
<a> bar </a> // a1
</p>
<div></div> // div1

<p class='foo_2'>
<a> bar </a> // a2
</p>
<div></div> // div2

When i click on a1 i want function toggle to be called for div1, and when i click on a2 i want function toggle to be called for div2.

I hope I phrased my question good enough so everyone can understand it. Any help would be greatly appreciated. Thanks

 

$("p").hasClass("X").find("div").get(0).find("a").get(0)

Code (markup):

get(0) gets the first element...

 

This should do it:

$('p[class*=X] a').click(function(){
   $(this).parent().nextAll('div:first').toggle();
});

Code (markup):