Get the Value of form element - without clicking on submit button
<p>I have a form say i have selected Volva from drop down box . So without clicking on submit button  when i move to next field that is <code>&lt;input&gt;</code> the value that is volva should get store in php variable </p>

<pre><code>&lt;html&gt;
&lt;body&gt;

&lt;form action=""&gt;
&lt;select name="cars"&gt;
&lt;option value="volvo"&gt;Volvo&lt;/option&gt;
&lt;option value="saab"&gt;Saab&lt;/option&gt;
&lt;option value="fiat"&gt;Fiat&lt;/option&gt;
&lt;option value="audi"&gt;Audi&lt;/option&gt;
&lt;/select&gt;

&lt;input type="text" name="abc" /&gt;
&lt;/form&gt;

&lt;/body&gt;
&lt;/html&gt;
</code></pre>
