<script>
function show() {
	link = document.getElementById('link').value;
	document.getElementById('html').innerHTML = '&lt;a href=&quot;http://mysaite/&quot;&gt;&lt;IMG src=&quot;'+link+'&quot; border=0&gt;&lt;/IMG&gt;&lt;/a&gt;';
}
</script>
<input type="text" name="link" value="http://link"> 
<input type="button" value="Шмяк!" onclick="show()">
<div name="html"></div>