Social media icons / don't link to the social media pages.

Hi everyone,
I added phone number with a social media icons to my header
http://www.adchile.com/legend/,
but for some reason my links doesn’t link to the social media pages.

I’ve added the following to my header.php:

<div id="top_conor">
<p class="phone_no">P: 234-432-3456Follow us on
<a href="www.facebook.com">
<img src="http://.../uploads/2014/04/f-1.png">
</a>
<a href="www.facebook.com">
<img src="http://.../wp-content/uploads/2014/04/t-4.png"></a>
<a href="www.facebook.com">
<img src="http://.../wp-content/uploads/2014/04/in-3.png"></a>
<a href="www.facebook.com">
<img src="http://.../wp-content/uploads/2014/04/g-2.png"></a>
</p>
</div>

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Help Please!

Thanks in advance for the assistance.