Underlinejs
Underlinejs is plugin javascript for create underline when you want to chang underline color difference string color.
Instructions
1.Load the jQuery core on your page. Something like
jQuery must appear BEFORE Underlinejs in your HTML document.
2.Load the DDown plugin.
<script type="text/javascript" src="underline-th.js"></script>
3.Call Underlinejs on your .underline div.
$(".underline").underline();